./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 671a45704fa186ff8f8ae16fa1f231720ab75623ea1dd3c585bf6353937ced8a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:05:18,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:05:18,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:05:18,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:05:18,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:05:18,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:05:18,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:05:18,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:05:18,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:05:18,377 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:05:18,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:05:18,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:05:18,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:05:18,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:05:18,380 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:05:18,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:05:18,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:05:18,381 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:05:18,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:05:18,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:05:18,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:05:18,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:05:18,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:05:18,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:05:18,384 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:05:18,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:05:18,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:05:18,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:05:18,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:05:18,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:05:18,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:05:18,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:05:18,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:05:18,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:05:18,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:05:18,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:05:18,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:05:18,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:05:18,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:05:18,388 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:05:18,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:05:18,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:05:18,389 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 671a45704fa186ff8f8ae16fa1f231720ab75623ea1dd3c585bf6353937ced8a [2023-11-29 06:05:18,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:05:18,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:05:18,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:05:18,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:05:18,659 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:05:18,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i [2023-11-29 06:05:21,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:05:21,592 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:05:21,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i [2023-11-29 06:05:21,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/data/73cd858bc/60284b33838a4da7a9310b192555e4a0/FLAGb607b3dd1 [2023-11-29 06:05:21,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/data/73cd858bc/60284b33838a4da7a9310b192555e4a0 [2023-11-29 06:05:21,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:05:21,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:05:21,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:05:21,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:05:21,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:05:21,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:21,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0bfdfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21, skipping insertion in model container [2023-11-29 06:05:21,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:21,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:05:21,799 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_15d3f856-3cb8-423d-8e12-d3393b1f2830/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i[916,929] [2023-11-29 06:05:21,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:05:21,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:05:21,873 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_15d3f856-3cb8-423d-8e12-d3393b1f2830/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i[916,929] [2023-11-29 06:05:21,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:05:21,923 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:05:21,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21 WrapperNode [2023-11-29 06:05:21,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:05:21,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:05:21,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:05:21,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:05:21,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:21,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:21,980 INFO L138 Inliner]: procedures = 29, calls = 103, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 304 [2023-11-29 06:05:21,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:05:21,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:05:21,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:05:21,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:05:21,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:21,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:21,999 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:22,019 INFO L175 MemorySlicer]: Split 86 memory accesses to 2 slices as follows [2, 84]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 13 writes are split as follows [0, 13]. [2023-11-29 06:05:22,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:22,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:22,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:22,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:22,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:22,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:22,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:05:22,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:05:22,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:05:22,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:05:22,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (1/1) ... [2023-11-29 06:05:22,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:05:22,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:22,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:05:22,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:05:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:05:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 06:05:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 06:05:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:05:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:05:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 06:05:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 06:05:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:05:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:05:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 06:05:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 06:05:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:05:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:05:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:05:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:05:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:05:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:05:22,231 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:05:22,234 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:05:22,588 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:05:22,626 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:05:22,626 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:05:22,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:05:22 BoogieIcfgContainer [2023-11-29 06:05:22,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:05:22,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:05:22,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:05:22,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:05:22,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:05:21" (1/3) ... [2023-11-29 06:05:22,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682dcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:05:22, skipping insertion in model container [2023-11-29 06:05:22,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:21" (2/3) ... [2023-11-29 06:05:22,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682dcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:05:22, skipping insertion in model container [2023-11-29 06:05:22,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:05:22" (3/3) ... [2023-11-29 06:05:22,636 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-9.i [2023-11-29 06:05:22,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:05:22,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:05:22,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:05:22,701 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=PETRI_NET, 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;@2d2754b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:05:22,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:05:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:05:22,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:22,715 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:22,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:22,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:22,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1534304307, now seen corresponding path program 1 times [2023-11-29 06:05:22,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:22,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921212874] [2023-11-29 06:05:22,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:22,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:22,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:22,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921212874] [2023-11-29 06:05:22,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:05:22,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245278957] [2023-11-29 06:05:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:22,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:22,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:22,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:22,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:05:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:23,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:05:23,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 06:05:23,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:05:23,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245278957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:23,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:23,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:05:23,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057047778] [2023-11-29 06:05:23,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:23,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:05:23,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:23,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:05:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:05:23,171 INFO L87 Difference]: Start difference. First operand has 67 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:05:23,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:23,207 INFO L93 Difference]: Finished difference Result 131 states and 199 transitions. [2023-11-29 06:05:23,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:05:23,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2023-11-29 06:05:23,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:23,217 INFO L225 Difference]: With dead ends: 131 [2023-11-29 06:05:23,217 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 06:05:23,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:05:23,223 INFO L413 NwaCegarLoop]: 89 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, 89 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 [2023-11-29 06:05:23,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:05:23,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 06:05:23,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 06:05:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 58 states have internal predecessors, (83), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:23,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2023-11-29 06:05:23,261 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 57 [2023-11-29 06:05:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:23,261 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2023-11-29 06:05:23,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:05:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-29 06:05:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:05:23,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:23,265 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:23,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:05:23,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:23,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:23,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:23,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1266797433, now seen corresponding path program 1 times [2023-11-29 06:05:23,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:23,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120096200] [2023-11-29 06:05:23,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:23,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:23,517 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:05:23,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [234915790] [2023-11-29 06:05:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:23,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:23,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:23,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:23,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:05:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:23,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:05:23,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:23,745 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:05:23,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:23,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120096200] [2023-11-29 06:05:23,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:05:23,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234915790] [2023-11-29 06:05:23,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234915790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:23,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:23,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:05:23,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611768060] [2023-11-29 06:05:23,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:23,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:05:23,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:23,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:05:23,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:05:23,750 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:23,805 INFO L93 Difference]: Finished difference Result 153 states and 220 transitions. [2023-11-29 06:05:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:05:23,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-29 06:05:23,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:23,808 INFO L225 Difference]: With dead ends: 153 [2023-11-29 06:05:23,808 INFO L226 Difference]: Without dead ends: 89 [2023-11-29 06:05:23,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:05:23,811 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:23,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 267 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:05:23,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-29 06:05:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 67. [2023-11-29 06:05:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 60 states have internal predecessors, (85), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:23,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2023-11-29 06:05:23,824 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 57 [2023-11-29 06:05:23,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:23,826 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2023-11-29 06:05:23,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-11-29 06:05:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:05:23,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:23,829 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:23,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:05:24,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:24,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:24,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash 873770423, now seen corresponding path program 1 times [2023-11-29 06:05:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:24,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029920898] [2023-11-29 06:05:24,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:24,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:24,076 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:05:24,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016656455] [2023-11-29 06:05:24,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:24,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:24,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:24,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:05:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:24,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:05:24,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:24,265 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:24,266 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:05:24,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:24,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029920898] [2023-11-29 06:05:24,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:05:24,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016656455] [2023-11-29 06:05:24,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016656455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:24,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:24,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:05:24,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777791615] [2023-11-29 06:05:24,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:24,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:05:24,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:24,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:05:24,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:05:24,270 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:24,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:24,312 INFO L93 Difference]: Finished difference Result 153 states and 218 transitions. [2023-11-29 06:05:24,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:05:24,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-29 06:05:24,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:24,314 INFO L225 Difference]: With dead ends: 153 [2023-11-29 06:05:24,314 INFO L226 Difference]: Without dead ends: 87 [2023-11-29 06:05:24,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:05:24,316 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 39 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:24,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 265 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:05:24,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-29 06:05:24,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 69. [2023-11-29 06:05:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2023-11-29 06:05:24,327 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 57 [2023-11-29 06:05:24,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:24,328 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2023-11-29 06:05:24,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2023-11-29 06:05:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:05:24,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:24,330 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:24,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:05:24,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:24,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:24,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:24,531 INFO L85 PathProgramCache]: Analyzing trace with hash 64423797, now seen corresponding path program 1 times [2023-11-29 06:05:24,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:24,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100100584] [2023-11-29 06:05:24,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:24,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:24,565 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:05:24,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1791244296] [2023-11-29 06:05:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:24,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:24,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:24,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:24,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:05:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:24,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:05:24,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:24,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:05:24,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:24,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100100584] [2023-11-29 06:05:24,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:05:24,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791244296] [2023-11-29 06:05:24,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791244296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:24,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:24,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:05:24,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945595067] [2023-11-29 06:05:24,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:24,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:05:24,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:24,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:05:24,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:05:24,735 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:24,768 INFO L93 Difference]: Finished difference Result 141 states and 198 transitions. [2023-11-29 06:05:24,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:05:24,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-29 06:05:24,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:24,770 INFO L225 Difference]: With dead ends: 141 [2023-11-29 06:05:24,770 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 06:05:24,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:05:24,772 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 3 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:24,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 255 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:05:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 06:05:24,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2023-11-29 06:05:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2023-11-29 06:05:24,780 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 57 [2023-11-29 06:05:24,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:24,781 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2023-11-29 06:05:24,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-11-29 06:05:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:05:24,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:24,783 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:24,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:05:24,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:24,987 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:24,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:24,988 INFO L85 PathProgramCache]: Analyzing trace with hash 64483379, now seen corresponding path program 1 times [2023-11-29 06:05:24,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:24,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394299561] [2023-11-29 06:05:24,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:24,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:25,018 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:05:25,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925310152] [2023-11-29 06:05:25,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:25,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:25,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:25,020 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:25,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:05:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:25,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 06:05:25,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:25,278 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 9 treesize of output 3 [2023-11-29 06:05:25,714 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 11 treesize of output 7 [2023-11-29 06:05:25,752 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 18 treesize of output 14 [2023-11-29 06:05:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:25,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 7 [2023-11-29 06:05:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 06:05:25,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:05:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:26,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:26,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394299561] [2023-11-29 06:05:26,021 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:05:26,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925310152] [2023-11-29 06:05:26,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925310152] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:05:26,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:05:26,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2023-11-29 06:05:26,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534920236] [2023-11-29 06:05:26,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:26,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:05:26,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:26,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:05:26,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:05:26,024 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:26,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:26,354 INFO L93 Difference]: Finished difference Result 221 states and 309 transitions. [2023-11-29 06:05:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:05:26,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-29 06:05:26,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:26,357 INFO L225 Difference]: With dead ends: 221 [2023-11-29 06:05:26,357 INFO L226 Difference]: Without dead ends: 151 [2023-11-29 06:05:26,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:05:26,359 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 106 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:26,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 295 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:05:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-29 06:05:26,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 94. [2023-11-29 06:05:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:05:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 130 transitions. [2023-11-29 06:05:26,376 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 130 transitions. Word has length 57 [2023-11-29 06:05:26,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:26,376 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 130 transitions. [2023-11-29 06:05:26,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2023-11-29 06:05:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:05:26,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:26,378 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:26,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:05:26,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:26,584 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:26,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:26,584 INFO L85 PathProgramCache]: Analyzing trace with hash -753165071, now seen corresponding path program 1 times [2023-11-29 06:05:26,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:26,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542106072] [2023-11-29 06:05:26,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:26,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:26,609 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:05:26,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1392983477] [2023-11-29 06:05:26,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:26,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:26,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:26,611 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:26,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:05:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:26,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 06:05:26,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:27,158 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 [2023-11-29 06:05:27,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 52 treesize of output 28 [2023-11-29 06:05:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 06:05:27,224 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:05:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:27,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:27,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542106072] [2023-11-29 06:05:27,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:05:27,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392983477] [2023-11-29 06:05:27,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392983477] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:05:27,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:05:27,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2023-11-29 06:05:27,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198514116] [2023-11-29 06:05:27,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:27,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:05:27,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:27,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:05:27,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:05:27,285 INFO L87 Difference]: Start difference. First operand 94 states and 130 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:27,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:27,438 INFO L93 Difference]: Finished difference Result 187 states and 260 transitions. [2023-11-29 06:05:27,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:05:27,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-29 06:05:27,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:27,441 INFO L225 Difference]: With dead ends: 187 [2023-11-29 06:05:27,441 INFO L226 Difference]: Without dead ends: 117 [2023-11-29 06:05:27,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:05:27,442 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 90 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:27,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 267 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:05:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-29 06:05:27,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 96. [2023-11-29 06:05:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:05:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 132 transitions. [2023-11-29 06:05:27,454 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 132 transitions. Word has length 57 [2023-11-29 06:05:27,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:27,454 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 132 transitions. [2023-11-29 06:05:27,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 132 transitions. [2023-11-29 06:05:27,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 06:05:27,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:27,456 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:27,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:05:27,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:27,662 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:27,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:27,662 INFO L85 PathProgramCache]: Analyzing trace with hash 383883369, now seen corresponding path program 1 times [2023-11-29 06:05:27,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:27,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852165303] [2023-11-29 06:05:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:27,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:27,689 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:05:27,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174027368] [2023-11-29 06:05:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:27,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:27,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:27,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:05:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:27,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 06:05:27,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:28,194 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 [2023-11-29 06:05:28,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 52 treesize of output 28 [2023-11-29 06:05:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 06:05:28,295 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:05:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:28,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:28,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852165303] [2023-11-29 06:05:28,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:05:28,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174027368] [2023-11-29 06:05:28,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174027368] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:05:28,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:05:28,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2023-11-29 06:05:28,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020026843] [2023-11-29 06:05:28,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:28,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:05:28,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:28,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:05:28,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:05:28,371 INFO L87 Difference]: Start difference. First operand 96 states and 132 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:28,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:28,596 INFO L93 Difference]: Finished difference Result 213 states and 294 transitions. [2023-11-29 06:05:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:05:28,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2023-11-29 06:05:28,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:28,600 INFO L225 Difference]: With dead ends: 213 [2023-11-29 06:05:28,600 INFO L226 Difference]: Without dead ends: 141 [2023-11-29 06:05:28,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:05:28,601 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 132 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:28,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 343 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:05:28,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-29 06:05:28,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 97. [2023-11-29 06:05:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:05:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 133 transitions. [2023-11-29 06:05:28,613 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 133 transitions. Word has length 61 [2023-11-29 06:05:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:28,614 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 133 transitions. [2023-11-29 06:05:28,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2023-11-29 06:05:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 06:05:28,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:28,616 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:28,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 06:05:28,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 06:05:28,819 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:28,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:28,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1166811105, now seen corresponding path program 1 times [2023-11-29 06:05:28,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:28,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809033851] [2023-11-29 06:05:28,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:28,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:28,847 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:05:28,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536563464] [2023-11-29 06:05:28,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:28,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:28,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:28,849 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:28,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:05:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:29,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-29 06:05:29,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:29,198 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 30 treesize of output 21 [2023-11-29 06:05:29,940 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 30 treesize of output 21 [2023-11-29 06:05:30,598 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 30 treesize of output 21 [2023-11-29 06:05:31,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 26 treesize of output 21 [2023-11-29 06:05:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,167 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 26 treesize of output 28 [2023-11-29 06:05:31,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2023-11-29 06:05:31,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:05:31,467 INFO L349 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2023-11-29 06:05:31,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 44 treesize of output 55 [2023-11-29 06:05:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:05:31,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:05:36,026 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int#1| c_~WrapperStruct0_var_1_1_Pointer~0.base))) (and (forall ((~WrapperStruct0_var_1_3_Pointer~0.offset Int) (~WrapperStruct0_var_1_3_Pointer~0.base Int)) (let ((.cse1 (store |c_#memory_int#1| c_~WrapperStruct0_var_1_1_Pointer~0.base (store .cse2 c_~WrapperStruct0_var_1_1_Pointer~0.offset (select (select |c_#memory_int#1| ~WrapperStruct0_var_1_3_Pointer~0.base) ~WrapperStruct0_var_1_3_Pointer~0.offset))))) (let ((.cse0 (mod (+ (select (select .cse1 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset) (select (select .cse1 c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset)) 65536))) (or (not (= .cse0 (+ 65536 (select (select .cse1 c_~WrapperStruct0_var_1_8_Pointer~0.base) c_~WrapperStruct0_var_1_8_Pointer~0.offset)))) (< .cse0 32768))))) (forall ((~WrapperStruct0_var_1_3_Pointer~0.offset Int) (~WrapperStruct0_var_1_3_Pointer~0.base Int)) (let ((.cse4 (store |c_#memory_int#1| c_~WrapperStruct0_var_1_1_Pointer~0.base (store .cse2 c_~WrapperStruct0_var_1_1_Pointer~0.offset (select (select |c_#memory_int#1| ~WrapperStruct0_var_1_3_Pointer~0.base) ~WrapperStruct0_var_1_3_Pointer~0.offset))))) (let ((.cse3 (mod (+ (select (select .cse4 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset) (select (select .cse4 c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset)) 65536))) (or (not (= .cse3 (select (select .cse4 c_~WrapperStruct0_var_1_8_Pointer~0.base) c_~WrapperStruct0_var_1_8_Pointer~0.offset))) (< 32767 .cse3))))))) is different from false [2023-11-29 06:05:40,077 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (store |c_#memory_int#1| c_~WrapperStruct0_var_1_9_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct0_var_1_9_Pointer~0.base) c_~WrapperStruct0_var_1_9_Pointer~0.offset 64)))) (let ((.cse4 (select .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base))) (and (forall ((v_ArrVal_530 Int) (~WrapperStruct0_var_1_3_Pointer~0.offset Int) (~WrapperStruct0_var_1_3_Pointer~0.base Int)) (let ((.cse1 (let ((.cse2 (store .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base (store .cse4 c_~WrapperStruct0_var_1_10_Pointer~0.offset v_ArrVal_530)))) (store .cse2 c_~WrapperStruct0_var_1_1_Pointer~0.base (store (select .cse2 c_~WrapperStruct0_var_1_1_Pointer~0.base) c_~WrapperStruct0_var_1_1_Pointer~0.offset (select (select .cse2 ~WrapperStruct0_var_1_3_Pointer~0.base) ~WrapperStruct0_var_1_3_Pointer~0.offset)))))) (let ((.cse0 (mod (+ (select (select .cse1 c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset) (select (select .cse1 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset)) 65536))) (or (< .cse0 32768) (not (= .cse0 (+ (select (select .cse1 c_~WrapperStruct0_var_1_8_Pointer~0.base) c_~WrapperStruct0_var_1_8_Pointer~0.offset) 65536))))))) (forall ((v_ArrVal_530 Int) (~WrapperStruct0_var_1_3_Pointer~0.offset Int) (~WrapperStruct0_var_1_3_Pointer~0.base Int)) (let ((.cse6 (let ((.cse7 (store .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base (store .cse4 c_~WrapperStruct0_var_1_10_Pointer~0.offset v_ArrVal_530)))) (store .cse7 c_~WrapperStruct0_var_1_1_Pointer~0.base (store (select .cse7 c_~WrapperStruct0_var_1_1_Pointer~0.base) c_~WrapperStruct0_var_1_1_Pointer~0.offset (select (select .cse7 ~WrapperStruct0_var_1_3_Pointer~0.base) ~WrapperStruct0_var_1_3_Pointer~0.offset)))))) (let ((.cse5 (mod (+ (select (select .cse6 c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset) (select (select .cse6 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset)) 65536))) (or (< 32767 .cse5) (not (= (select (select .cse6 c_~WrapperStruct0_var_1_8_Pointer~0.base) c_~WrapperStruct0_var_1_8_Pointer~0.offset) .cse5))))))))) is different from false [2023-11-29 06:05:44,236 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse8 (store |c_#memory_int#1| c_~WrapperStruct0_var_1_14_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset (select (select |c_#memory_int#1| c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset))))) (store .cse8 c_~WrapperStruct0_var_1_9_Pointer~0.base (store (select .cse8 c_~WrapperStruct0_var_1_9_Pointer~0.base) c_~WrapperStruct0_var_1_9_Pointer~0.offset 64))))) (let ((.cse4 (select .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base))) (and (forall ((v_ArrVal_530 Int) (~WrapperStruct0_var_1_3_Pointer~0.offset Int) (~WrapperStruct0_var_1_3_Pointer~0.base Int)) (let ((.cse1 (let ((.cse2 (store .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base (store .cse4 c_~WrapperStruct0_var_1_10_Pointer~0.offset v_ArrVal_530)))) (store .cse2 c_~WrapperStruct0_var_1_1_Pointer~0.base (store (select .cse2 c_~WrapperStruct0_var_1_1_Pointer~0.base) c_~WrapperStruct0_var_1_1_Pointer~0.offset (select (select .cse2 ~WrapperStruct0_var_1_3_Pointer~0.base) ~WrapperStruct0_var_1_3_Pointer~0.offset)))))) (let ((.cse0 (mod (+ (select (select .cse1 c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset) (select (select .cse1 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset)) 65536))) (or (< .cse0 32768) (not (= (+ 65536 (select (select .cse1 c_~WrapperStruct0_var_1_8_Pointer~0.base) c_~WrapperStruct0_var_1_8_Pointer~0.offset)) .cse0)))))) (forall ((v_ArrVal_530 Int) (~WrapperStruct0_var_1_3_Pointer~0.offset Int) (~WrapperStruct0_var_1_3_Pointer~0.base Int)) (let ((.cse6 (let ((.cse7 (store .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base (store .cse4 c_~WrapperStruct0_var_1_10_Pointer~0.offset v_ArrVal_530)))) (store .cse7 c_~WrapperStruct0_var_1_1_Pointer~0.base (store (select .cse7 c_~WrapperStruct0_var_1_1_Pointer~0.base) c_~WrapperStruct0_var_1_1_Pointer~0.offset (select (select .cse7 ~WrapperStruct0_var_1_3_Pointer~0.base) ~WrapperStruct0_var_1_3_Pointer~0.offset)))))) (let ((.cse5 (mod (+ (select (select .cse6 c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset) (select (select .cse6 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset)) 65536))) (or (< 32767 .cse5) (not (= (select (select .cse6 c_~WrapperStruct0_var_1_8_Pointer~0.base) c_~WrapperStruct0_var_1_8_Pointer~0.offset) .cse5))))))))) is different from false [2023-11-29 06:05:48,318 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse8 (let ((.cse9 (store |c_#memory_int#1| c_~WrapperStruct0_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset c_~last_1_WrapperStruct0_var_1_12~0)))) (store .cse9 c_~WrapperStruct0_var_1_14_Pointer~0.base (store (select .cse9 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset c_~last_1_WrapperStruct0_var_1_12~0))))) (store .cse8 c_~WrapperStruct0_var_1_9_Pointer~0.base (store (select .cse8 c_~WrapperStruct0_var_1_9_Pointer~0.base) c_~WrapperStruct0_var_1_9_Pointer~0.offset 64))))) (let ((.cse4 (select .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base))) (and (forall ((v_ArrVal_530 Int) (~WrapperStruct0_var_1_3_Pointer~0.offset Int) (~WrapperStruct0_var_1_3_Pointer~0.base Int)) (let ((.cse0 (let ((.cse2 (store .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base (store .cse4 c_~WrapperStruct0_var_1_10_Pointer~0.offset v_ArrVal_530)))) (store .cse2 c_~WrapperStruct0_var_1_1_Pointer~0.base (store (select .cse2 c_~WrapperStruct0_var_1_1_Pointer~0.base) c_~WrapperStruct0_var_1_1_Pointer~0.offset (select (select .cse2 ~WrapperStruct0_var_1_3_Pointer~0.base) ~WrapperStruct0_var_1_3_Pointer~0.offset)))))) (let ((.cse1 (mod (+ (select (select .cse0 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset) (select (select .cse0 c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset)) 65536))) (or (not (= (select (select .cse0 c_~WrapperStruct0_var_1_8_Pointer~0.base) c_~WrapperStruct0_var_1_8_Pointer~0.offset) .cse1)) (< 32767 .cse1))))) (forall ((v_ArrVal_530 Int) (~WrapperStruct0_var_1_3_Pointer~0.offset Int) (~WrapperStruct0_var_1_3_Pointer~0.base Int)) (let ((.cse6 (let ((.cse7 (store .cse3 c_~WrapperStruct0_var_1_10_Pointer~0.base (store .cse4 c_~WrapperStruct0_var_1_10_Pointer~0.offset v_ArrVal_530)))) (store .cse7 c_~WrapperStruct0_var_1_1_Pointer~0.base (store (select .cse7 c_~WrapperStruct0_var_1_1_Pointer~0.base) c_~WrapperStruct0_var_1_1_Pointer~0.offset (select (select .cse7 ~WrapperStruct0_var_1_3_Pointer~0.base) ~WrapperStruct0_var_1_3_Pointer~0.offset)))))) (let ((.cse5 (mod (+ (select (select .cse6 c_~WrapperStruct0_var_1_14_Pointer~0.base) c_~WrapperStruct0_var_1_14_Pointer~0.offset) (select (select .cse6 c_~WrapperStruct0_var_1_12_Pointer~0.base) c_~WrapperStruct0_var_1_12_Pointer~0.offset)) 65536))) (or (< .cse5 32768) (not (= (+ (select (select .cse6 c_~WrapperStruct0_var_1_8_Pointer~0.base) c_~WrapperStruct0_var_1_8_Pointer~0.offset) 65536) .cse5))))))))) is different from false [2023-11-29 06:05:48,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:48,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809033851] [2023-11-29 06:05:48,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:05:48,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536563464] [2023-11-29 06:05:48,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536563464] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:05:48,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:05:48,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-11-29 06:05:48,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609294531] [2023-11-29 06:05:48,410 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 06:05:48,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:05:48,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:48,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:05:48,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=127, Unknown=4, NotChecked=100, Total=272 [2023-11-29 06:05:48,412 INFO L87 Difference]: Start difference. First operand 97 states and 133 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:05:50,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:50,015 INFO L93 Difference]: Finished difference Result 312 states and 427 transitions. [2023-11-29 06:05:50,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:05:50,015 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2023-11-29 06:05:50,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:50,018 INFO L225 Difference]: With dead ends: 312 [2023-11-29 06:05:50,018 INFO L226 Difference]: Without dead ends: 239 [2023-11-29 06:05:50,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=157, Invalid=317, Unknown=4, NotChecked=172, Total=650 [2023-11-29 06:05:50,019 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 531 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:50,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 534 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 06:05:50,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-29 06:05:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 167. [2023-11-29 06:05:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 148 states have (on average 1.3581081081081081) internal successors, (201), 148 states have internal predecessors, (201), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:05:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 231 transitions. [2023-11-29 06:05:50,035 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 231 transitions. Word has length 61 [2023-11-29 06:05:50,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:50,035 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 231 transitions. [2023-11-29 06:05:50,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:05:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 231 transitions. [2023-11-29 06:05:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 06:05:50,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:50,037 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:50,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 06:05:50,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 06:05:50,243 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:50,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:50,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1925782555, now seen corresponding path program 1 times [2023-11-29 06:05:50,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:50,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910550737] [2023-11-29 06:05:50,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:50,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:50,265 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:05:50,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269472066] [2023-11-29 06:05:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:50,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:50,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:50,267 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:05:50,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:05:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:05:50,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:05:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:05:50,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:05:50,652 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:05:50,654 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:05:50,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 06:05:50,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:05:50,860 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:50,863 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:05:50,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-29 06:05:50,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated [2023-11-29 06:05:50,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-29 06:05:50,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-29 06:05:50,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 06:05:50,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-29 06:05:50,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 06:05:50,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-29 06:05:50,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-29 06:05:50,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-29 06:05:50,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 06:05:50,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-29 06:05:50,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-29 06:05:50,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-29 06:05:50,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 06:05:50,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-29 06:05:50,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 06:05:50,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 06:05:50,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 06:05:50,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 06:05:50,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-29 06:05:50,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 06:05:50,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 06:05:50,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 06:05:50,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 06:05:50,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-29 06:05:50,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 06:05:50,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 06:05:50,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 06:05:50,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-29 06:05:50,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 06:05:50,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 06:05:50,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 06:05:50,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-29 06:05:50,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 06:05:50,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 06:05:50,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 06:05:50,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 06:05:50,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-29 06:05:50,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 06:05:50,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 06:05:50,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 06:05:50,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 06:05:50,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-29 06:05:50,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-29 06:05:50,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-29 06:05:50,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 06:05:50,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 06:05:50,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 06:05:50,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 06:05:50,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 06:05:50,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 06:05:50,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 06:05:50,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-29 06:05:50,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 06:05:50,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 06:05:50,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-29 06:05:50,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 06:05:50,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-29 06:05:50,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-29 06:05:50,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-29 06:05:50,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 06:05:50,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 06:05:50,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-29 06:05:50,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 06:05:50,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-29 06:05:50,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 06:05:50,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-29 06:05:50,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 06:05:50,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 06:05:50,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-29 06:05:50,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 06:05:50,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-29 06:05:50,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 06:05:50,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-29 06:05:50,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-29 06:05:50,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 06:05:50,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 06:05:50,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 06:05:50,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 06:05:50,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-29 06:05:50,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 06:05:50,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-29 06:05:50,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-29 06:05:50,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-29 06:05:50,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-29 06:05:50,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 06:05:50,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 06:05:50,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-29 06:05:50,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:05:50 BoogieIcfgContainer [2023-11-29 06:05:50,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:05:50,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:05:50,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:05:50,973 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:05:50,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:05:22" (3/4) ... [2023-11-29 06:05:50,975 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:05:50,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:05:50,977 INFO L158 Benchmark]: Toolchain (without parser) took 29356.76ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 96.8MB in the beginning and 71.0MB in the end (delta: 25.8MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2023-11-29 06:05:50,977 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:05:50,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.87ms. Allocated memory is still 136.3MB. Free memory was 96.6MB in the beginning and 83.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:05:50,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.34ms. Allocated memory is still 136.3MB. Free memory was 82.7MB in the beginning and 79.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:05:50,978 INFO L158 Benchmark]: Boogie Preprocessor took 67.28ms. Allocated memory is still 136.3MB. Free memory was 79.8MB in the beginning and 76.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:05:50,979 INFO L158 Benchmark]: RCFGBuilder took 577.63ms. Allocated memory is still 136.3MB. Free memory was 76.2MB in the beginning and 98.2MB in the end (delta: -21.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-29 06:05:50,979 INFO L158 Benchmark]: TraceAbstraction took 28342.31ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 97.6MB in the beginning and 71.0MB in the end (delta: 26.6MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2023-11-29 06:05:50,979 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 213.9MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:05:50,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.87ms. Allocated memory is still 136.3MB. Free memory was 96.6MB in the beginning and 83.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.34ms. Allocated memory is still 136.3MB. Free memory was 82.7MB in the beginning and 79.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.28ms. Allocated memory is still 136.3MB. Free memory was 79.8MB in the beginning and 76.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 577.63ms. Allocated memory is still 136.3MB. Free memory was 76.2MB in the beginning and 98.2MB in the end (delta: -21.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * TraceAbstraction took 28342.31ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 97.6MB in the beginning and 71.0MB in the end (delta: 26.6MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 213.9MB. Free memory is still 71.0MB. 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~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 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~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 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~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 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~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 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~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 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~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 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 The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of shiftLeft at line 104. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L45] unsigned char* WrapperStruct0_var_1_1_Pointer = &(WrapperStruct0.var_1_1); [L46] unsigned char* WrapperStruct0_var_1_3_Pointer = &(WrapperStruct0.var_1_3); [L47] unsigned char* WrapperStruct0_var_1_7_Pointer = &(WrapperStruct0.var_1_7); [L48] signed short int* WrapperStruct0_var_1_8_Pointer = &(WrapperStruct0.var_1_8); [L49] unsigned char* WrapperStruct0_var_1_9_Pointer = &(WrapperStruct0.var_1_9); [L50] double* WrapperStruct0_var_1_10_Pointer = &(WrapperStruct0.var_1_10); [L51] double* WrapperStruct0_var_1_11_Pointer = &(WrapperStruct0.var_1_11); [L52] signed short int* WrapperStruct0_var_1_12_Pointer = &(WrapperStruct0.var_1_12); [L53] signed long int* WrapperStruct0_var_1_14_Pointer = &(WrapperStruct0.var_1_14); [L54] unsigned char last_1_WrapperStruct0_var_1_1 = 10; [L55] double last_1_WrapperStruct0_var_1_10 = 9.2; [L56] signed short int last_1_WrapperStruct0_var_1_12 = 1; [L57] signed long int last_1_WrapperStruct0_var_1_14 = -16; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L98] EXPR WrapperStruct0.var_1_1 [L98] last_1_WrapperStruct0_var_1_1 = WrapperStruct0.var_1_1 [L99] EXPR WrapperStruct0.var_1_10 [L99] last_1_WrapperStruct0_var_1_10 = WrapperStruct0.var_1_10 [L100] EXPR WrapperStruct0.var_1_12 [L100] last_1_WrapperStruct0_var_1_12 = WrapperStruct0.var_1_12 [L101] EXPR WrapperStruct0.var_1_14 [L101] last_1_WrapperStruct0_var_1_14 = WrapperStruct0.var_1_14 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L88] WrapperStruct0.var_1_3 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct0.var_1_3 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L89] CALL assume_abort_if_not(WrapperStruct0.var_1_3 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L89] RET assume_abort_if_not(WrapperStruct0.var_1_3 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L90] EXPR WrapperStruct0.var_1_3 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L90] CALL assume_abort_if_not(WrapperStruct0.var_1_3 <= 254) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L90] RET assume_abort_if_not(WrapperStruct0.var_1_3 <= 254) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L91] WrapperStruct0.var_1_7 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct0.var_1_7 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_7 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L92] RET assume_abort_if_not(WrapperStruct0.var_1_7 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L93] EXPR WrapperStruct0.var_1_7 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L93] CALL assume_abort_if_not(WrapperStruct0.var_1_7 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L93] RET assume_abort_if_not(WrapperStruct0.var_1_7 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L94] WrapperStruct0.var_1_11 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct0.var_1_11 [L95] EXPR WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] EXPR WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F [L95] EXPR WrapperStruct0.var_1_11 [L95] EXPR WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] EXPR (WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] EXPR (WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] CALL assume_abort_if_not((WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] RET assume_abort_if_not((WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L112] RET updateVariables() [L113] CALL step() [L61] unsigned char stepLocal_0 = last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10; VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10, stepLocal_0=0] [L62] COND FALSE !(((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || stepLocal_0) [L65] (*(WrapperStruct0_var_1_12_Pointer)) = last_1_WrapperStruct0_var_1_12 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L67] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L67] (*(WrapperStruct0_var_1_14_Pointer)) = (*(WrapperStruct0_var_1_12_Pointer)) [L68] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L68] EXPR 10 << (*(WrapperStruct0_var_1_12_Pointer)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10, stepLocal_0=0] [L68] EXPR \read(*WrapperStruct0_var_1_3_Pointer) [L68] EXPR \read(*WrapperStruct0_var_1_14_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L68] COND FALSE !((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) [L71] (*(WrapperStruct0_var_1_9_Pointer)) = 64 [L72] EXPR \read(*WrapperStruct0_var_1_11_Pointer) [L72] (*(WrapperStruct0_var_1_10_Pointer)) = (*(WrapperStruct0_var_1_11_Pointer)) [L73] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L73] COND TRUE (*(WrapperStruct0_var_1_12_Pointer)) <= 16 [L74] EXPR \read(*WrapperStruct0_var_1_3_Pointer) [L74] (*(WrapperStruct0_var_1_1_Pointer)) = (*(WrapperStruct0_var_1_3_Pointer)) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) [L104] EXPR \read(*WrapperStruct0_var_1_1_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_3_Pointer) [L104] EXPR ((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1) [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR 10 << (*(WrapperStruct0_var_1_12_Pointer)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR \read(*WrapperStruct0_var_1_3_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_14_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1 [L104] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_14_Pointer) [L104] EXPR ((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12)))) && ((*(WrapperStruct0_var_1_14_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_12_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12)))) && ((*(WrapperStruct0_var_1_14_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_12_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104-L105] return (((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12)))) && ((*(WrapperStruct0_var_1_14_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_12_Pointer)))) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L19] reach_error() VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.2s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 949 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 949 mSDsluCounter, 2315 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1667 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1030 IncrementalHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 648 mSDtfsCounter, 1030 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 682 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 17.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=8, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 236 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 582 NumberOfCodeBlocks, 582 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 628 ConstructedInterpolants, 8 QuantifiedInterpolants, 5439 SizeOfPredicates, 67 NumberOfNonLiveVariables, 2271 ConjunctsInSsa, 162 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 388/440 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 [2023-11-29 06:05:51,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 671a45704fa186ff8f8ae16fa1f231720ab75623ea1dd3c585bf6353937ced8a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:05:52,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:05:52,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:05:52,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:05:52,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:05:52,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:05:52,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:05:52,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:05:52,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:05:52,993 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:05:52,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:05:52,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:05:52,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:05:52,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:05:52,996 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:05:52,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:05:52,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:05:52,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:05:52,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:05:52,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:05:52,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:05:53,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:05:53,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:05:53,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:05:53,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:05:53,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:05:53,002 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:05:53,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:05:53,003 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:05:53,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:05:53,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:05:53,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:05:53,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:05:53,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:05:53,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:05:53,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:05:53,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:05:53,006 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:05:53,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:05:53,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:05:53,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:05:53,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:05:53,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:05:53,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:05:53,007 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:05:53,008 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 671a45704fa186ff8f8ae16fa1f231720ab75623ea1dd3c585bf6353937ced8a [2023-11-29 06:05:53,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:05:53,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:05:53,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:05:53,316 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:05:53,317 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:05:53,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i [2023-11-29 06:05:56,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:05:56,355 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:05:56,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i [2023-11-29 06:05:56,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/data/a837f5893/0d800e996ca740489c4fa86bb6452061/FLAGacb49cbed [2023-11-29 06:05:56,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/data/a837f5893/0d800e996ca740489c4fa86bb6452061 [2023-11-29 06:05:56,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:05:56,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:05:56,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:05:56,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:05:56,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:05:56,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74352d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56, skipping insertion in model container [2023-11-29 06:05:56,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:05:56,593 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_15d3f856-3cb8-423d-8e12-d3393b1f2830/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i[916,929] [2023-11-29 06:05:56,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:05:56,662 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:05:56,675 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_15d3f856-3cb8-423d-8e12-d3393b1f2830/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i[916,929] [2023-11-29 06:05:56,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:05:56,728 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:05:56,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56 WrapperNode [2023-11-29 06:05:56,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:05:56,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:05:56,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:05:56,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:05:56,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,783 INFO L138 Inliner]: procedures = 36, calls = 103, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 295 [2023-11-29 06:05:56,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:05:56,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:05:56,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:05:56,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:05:56,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,821 INFO L175 MemorySlicer]: Split 86 memory accesses to 2 slices as follows [2, 84]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 13 writes are split as follows [0, 13]. [2023-11-29 06:05:56,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:05:56,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:05:56,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:05:56,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:05:56,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (1/1) ... [2023-11-29 06:05:56,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:05:56,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:05:56,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:05:56,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:05:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:05:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 06:05:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 06:05:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 06:05:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 06:05:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 06:05:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 06:05:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 06:05:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 06:05:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:05:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 06:05:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 06:05:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 06:05:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 06:05:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 06:05:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 06:05:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 06:05:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 06:05:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 06:05:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:05:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:05:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:05:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:05:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 06:05:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 06:05:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 06:05:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 06:05:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 06:05:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 06:05:57,049 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:05:57,052 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:05:57,599 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:05:57,668 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:05:57,668 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:05:57,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:05:57 BoogieIcfgContainer [2023-11-29 06:05:57,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:05:57,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:05:57,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:05:57,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:05:57,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:05:56" (1/3) ... [2023-11-29 06:05:57,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39eac989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:05:57, skipping insertion in model container [2023-11-29 06:05:57,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:05:56" (2/3) ... [2023-11-29 06:05:57,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39eac989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:05:57, skipping insertion in model container [2023-11-29 06:05:57,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:05:57" (3/3) ... [2023-11-29 06:05:57,678 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-9.i [2023-11-29 06:05:57,698 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:05:57,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:05:57,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:05:57,771 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=PETRI_NET, 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;@3e74bbce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:05:57,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:05:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:57,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 06:05:57,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:57,787 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:57,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:57,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:57,793 INFO L85 PathProgramCache]: Analyzing trace with hash -408122705, now seen corresponding path program 1 times [2023-11-29 06:05:57,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:05:57,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906967392] [2023-11-29 06:05:57,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:57,808 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 [2023-11-29 06:05:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:05:57,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:05:57,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:58,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:05:58,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 06:05:58,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:05:58,119 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:05:58,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906967392] [2023-11-29 06:05:58,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906967392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:58,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:58,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:05:58,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761202528] [2023-11-29 06:05:58,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:58,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:05:58,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:05:58,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:05:58,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:05:58,154 INFO L87 Difference]: Start difference. First operand has 63 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:05:58,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:58,196 INFO L93 Difference]: Finished difference Result 123 states and 187 transitions. [2023-11-29 06:05:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:05:58,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2023-11-29 06:05:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:58,204 INFO L225 Difference]: With dead ends: 123 [2023-11-29 06:05:58,204 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 06:05:58,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:05:58,210 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2023-11-29 06:05:58,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:05:58,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 06:05:58,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-29 06:05:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 87 transitions. [2023-11-29 06:05:58,245 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 87 transitions. Word has length 55 [2023-11-29 06:05:58,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:58,245 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 87 transitions. [2023-11-29 06:05:58,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:05:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2023-11-29 06:05:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 06:05:58,249 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:58,249 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:58,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:58,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:58,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:58,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:58,452 INFO L85 PathProgramCache]: Analyzing trace with hash 699977589, now seen corresponding path program 1 times [2023-11-29 06:05:58,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:05:58,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924653362] [2023-11-29 06:05:58,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:58,453 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 [2023-11-29 06:05:58,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:05:58,454 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:05:58,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:58,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:05:58,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:58,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:05:58,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:05:58,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924653362] [2023-11-29 06:05:58,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924653362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:58,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:58,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:05:58,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118702254] [2023-11-29 06:05:58,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:58,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:05:58,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:05:58,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:05:58,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:05:58,732 INFO L87 Difference]: Start difference. First operand 61 states and 87 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:58,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:58,822 INFO L93 Difference]: Finished difference Result 145 states and 208 transitions. [2023-11-29 06:05:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:05:58,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-29 06:05:58,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:58,825 INFO L225 Difference]: With dead ends: 145 [2023-11-29 06:05:58,825 INFO L226 Difference]: Without dead ends: 85 [2023-11-29 06:05:58,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:05:58,828 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 48 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:58,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 249 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:05:58,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-29 06:05:58,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 63. [2023-11-29 06:05:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 56 states have internal predecessors, (79), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2023-11-29 06:05:58,839 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 55 [2023-11-29 06:05:58,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:58,841 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2023-11-29 06:05:58,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2023-11-29 06:05:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 06:05:58,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:58,844 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:58,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:59,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:59,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:59,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:59,048 INFO L85 PathProgramCache]: Analyzing trace with hash 306950579, now seen corresponding path program 1 times [2023-11-29 06:05:59,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:05:59,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172304975] [2023-11-29 06:05:59,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:59,049 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 [2023-11-29 06:05:59,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:05:59,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:05:59,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:59,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:05:59,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:59,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:05:59,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:05:59,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172304975] [2023-11-29 06:05:59,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172304975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:59,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:59,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:05:59,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492158211] [2023-11-29 06:05:59,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:59,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:05:59,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:05:59,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:05:59,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:05:59,294 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:59,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:05:59,391 INFO L93 Difference]: Finished difference Result 156 states and 222 transitions. [2023-11-29 06:05:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:05:59,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-29 06:05:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:05:59,394 INFO L225 Difference]: With dead ends: 156 [2023-11-29 06:05:59,394 INFO L226 Difference]: Without dead ends: 94 [2023-11-29 06:05:59,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:05:59,396 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 69 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:05:59,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 342 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:05:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-29 06:05:59,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 65. [2023-11-29 06:05:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 58 states have (on average 1.396551724137931) internal successors, (81), 58 states have internal predecessors, (81), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:05:59,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 91 transitions. [2023-11-29 06:05:59,407 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 91 transitions. Word has length 55 [2023-11-29 06:05:59,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:05:59,408 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 91 transitions. [2023-11-29 06:05:59,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:05:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2023-11-29 06:05:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 06:05:59,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:05:59,411 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:59,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:59,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:59,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:05:59,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:59,618 INFO L85 PathProgramCache]: Analyzing trace with hash -502396047, now seen corresponding path program 1 times [2023-11-29 06:05:59,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:05:59,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248259303] [2023-11-29 06:05:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:59,619 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 [2023-11-29 06:05:59,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:05:59,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:05:59,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:05:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:59,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:05:59,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:05:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:05:59,862 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:05:59,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:05:59,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248259303] [2023-11-29 06:05:59,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248259303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:59,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:59,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:05:59,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123150717] [2023-11-29 06:05:59,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:59,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:05:59,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:05:59,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:05:59,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:05:59,866 INFO L87 Difference]: Start difference. First operand 65 states and 91 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:06:00,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:06:00,071 INFO L93 Difference]: Finished difference Result 150 states and 209 transitions. [2023-11-29 06:06:00,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:06:00,072 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-29 06:06:00,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:06:00,074 INFO L225 Difference]: With dead ends: 150 [2023-11-29 06:06:00,074 INFO L226 Difference]: Without dead ends: 86 [2023-11-29 06:06:00,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:06:00,076 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 34 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:06:00,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 446 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:06:00,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-29 06:06:00,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 69. [2023-11-29 06:06:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 62 states have internal predecessors, (85), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:06:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2023-11-29 06:06:00,085 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 55 [2023-11-29 06:06:00,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:06:00,086 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2023-11-29 06:06:00,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:06:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2023-11-29 06:06:00,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 06:06:00,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:06:00,088 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:06:00,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 06:06:00,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:06:00,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:06:00,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:06:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash -502336465, now seen corresponding path program 1 times [2023-11-29 06:06:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:06:00,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914324169] [2023-11-29 06:06:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:06:00,293 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 [2023-11-29 06:06:00,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:06:00,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:06:00,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 06:06:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:00,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-29 06:06:00,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:06:00,965 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 [2023-11-29 06:06:02,204 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 [2023-11-29 06:06:03,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2023-11-29 06:06:08,179 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 29 treesize of output 31 [2023-11-29 06:06:08,372 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 40 treesize of output 34 [2023-11-29 06:06:08,579 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 40 treesize of output 34 [2023-11-29 06:06:08,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 58 [2023-11-29 06:06:08,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 83 [2023-11-29 06:06:09,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:06:09,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 54 [2023-11-29 06:06:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:06:09,131 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:06:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:06:09,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:06:09,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914324169] [2023-11-29 06:06:09,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914324169] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:06:09,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:06:09,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-11-29 06:06:09,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142136121] [2023-11-29 06:06:09,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:06:09,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:06:09,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:06:09,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:06:09,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=149, Unknown=1, NotChecked=0, Total=182 [2023-11-29 06:06:09,241 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:06:09,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:06:09,717 INFO L93 Difference]: Finished difference Result 161 states and 221 transitions. [2023-11-29 06:06:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:06:09,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-29 06:06:09,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:06:09,719 INFO L225 Difference]: With dead ends: 161 [2023-11-29 06:06:09,719 INFO L226 Difference]: Without dead ends: 93 [2023-11-29 06:06:09,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=47, Invalid=224, Unknown=1, NotChecked=0, Total=272 [2023-11-29 06:06:09,721 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 92 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:06:09,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 207 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:06:09,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-29 06:06:09,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 71. [2023-11-29 06:06:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:06:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 97 transitions. [2023-11-29 06:06:09,729 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 97 transitions. Word has length 55 [2023-11-29 06:06:09,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:06:09,730 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 97 transitions. [2023-11-29 06:06:09,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:06:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2023-11-29 06:06:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:06:09,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:06:09,732 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:06:09,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 06:06:09,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:06:09,935 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:06:09,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:06:09,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2128229816, now seen corresponding path program 1 times [2023-11-29 06:06:09,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:06:09,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115722449] [2023-11-29 06:06:09,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:06:09,937 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 [2023-11-29 06:06:09,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:06:09,938 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:06:09,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 06:06:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:10,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-29 06:06:10,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:06:12,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-29 06:06:14,205 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 101 treesize of output 63 [2023-11-29 06:06:14,438 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 112 treesize of output 66 [2023-11-29 06:06:14,615 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 112 treesize of output 66 [2023-11-29 06:06:14,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 111 [2023-11-29 06:06:15,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 120 [2023-11-29 06:06:15,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:06:15,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 323 treesize of output 139 [2023-11-29 06:06:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:06:15,819 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:06:58,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:06:58,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115722449] [2023-11-29 06:06:58,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115722449] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:06:58,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [23574376] [2023-11-29 06:06:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:06:58,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:06:58,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:06:58,655 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:06:58,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 06:06:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:59,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-29 06:07:00,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:07:03,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-29 06:07:05,653 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 117 treesize of output 71 [2023-11-29 06:07:06,036 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 40 treesize of output 34 [2023-11-29 06:07:06,384 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 40 treesize of output 34 [2023-11-29 06:07:06,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 79 [2023-11-29 06:07:07,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 91 [2023-11-29 06:07:09,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 86 [2023-11-29 06:07:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:07:09,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:07:28,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [23574376] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:07:28,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:07:28,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2023-11-29 06:07:28,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045848334] [2023-11-29 06:07:28,793 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:07:28,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 06:07:28,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:07:28,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 06:07:28,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=736, Unknown=7, NotChecked=0, Total=870 [2023-11-29 06:07:28,796 INFO L87 Difference]: Start difference. First operand 71 states and 97 transitions. Second operand has 24 states, 24 states have (on average 2.875) internal successors, (69), 23 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 06:07:34,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:07:37,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:07:44,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:07:45,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:07:52,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:07:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:07:54,815 INFO L93 Difference]: Finished difference Result 217 states and 294 transitions. [2023-11-29 06:07:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:07:54,818 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 23 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 57 [2023-11-29 06:07:54,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:07:54,819 INFO L225 Difference]: With dead ends: 217 [2023-11-29 06:07:54,819 INFO L226 Difference]: Without dead ends: 147 [2023-11-29 06:07:54,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 130 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 67.0s TimeCoverageRelationStatistics Valid=280, Invalid=1195, Unknown=7, NotChecked=0, Total=1482 [2023-11-29 06:07:54,821 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 490 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 105 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:07:54,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 431 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 713 Invalid, 2 Unknown, 0 Unchecked, 23.4s Time] [2023-11-29 06:07:54,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-29 06:07:54,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 139. [2023-11-29 06:07:54,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 125 states have (on average 1.344) internal successors, (168), 126 states have internal predecessors, (168), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:07:54,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 188 transitions. [2023-11-29 06:07:54,849 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 188 transitions. Word has length 57 [2023-11-29 06:07:54,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:07:54,849 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 188 transitions. [2023-11-29 06:07:54,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 23 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 06:07:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2023-11-29 06:07:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:07:54,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:07:54,851 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:07:54,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 06:07:55,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 06:07:55,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:07:55,252 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:07:55,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:07:55,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1318883190, now seen corresponding path program 1 times [2023-11-29 06:07:55,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:07:55,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936500598] [2023-11-29 06:07:55,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:07:55,253 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 [2023-11-29 06:07:55,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:07:55,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:07:55,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 06:07:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:55,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 06:07:55,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:07:56,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 8 [2023-11-29 06:07:56,334 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 [2023-11-29 06:07:56,426 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 34 treesize of output 22 [2023-11-29 06:07:56,463 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:07:56,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:07:56,464 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:07:56,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936500598] [2023-11-29 06:07:56,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936500598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:07:56,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:07:56,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:07:56,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947211959] [2023-11-29 06:07:56,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:07:56,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:07:56,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:07:56,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:07:56,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:07:56,466 INFO L87 Difference]: Start difference. First operand 139 states and 188 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:07:57,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:07:57,071 INFO L93 Difference]: Finished difference Result 282 states and 380 transitions. [2023-11-29 06:07:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:07:57,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-29 06:07:57,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:07:57,075 INFO L225 Difference]: With dead ends: 282 [2023-11-29 06:07:57,075 INFO L226 Difference]: Without dead ends: 144 [2023-11-29 06:07:57,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:07:57,077 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 166 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:07:57,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 170 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:07:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-29 06:07:57,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2023-11-29 06:07:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 125 states have (on average 1.328) internal successors, (166), 126 states have internal predecessors, (166), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:07:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 186 transitions. [2023-11-29 06:07:57,097 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 186 transitions. Word has length 57 [2023-11-29 06:07:57,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:07:57,097 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 186 transitions. [2023-11-29 06:07:57,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:07:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-11-29 06:07:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:07:57,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:07:57,098 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:07:57,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 06:07:57,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:07:57,299 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:07:57,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:07:57,299 INFO L85 PathProgramCache]: Analyzing trace with hash 925856180, now seen corresponding path program 1 times [2023-11-29 06:07:57,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:07:57,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071383503] [2023-11-29 06:07:57,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:07:57,300 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 [2023-11-29 06:07:57,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:07:57,301 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:07:57,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 (10)] Waiting until timeout for monitored process [2023-11-29 06:07:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:57,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-29 06:07:57,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:07:57,788 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 17 treesize of output 9 [2023-11-29 06:08:00,166 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 14 treesize of output 10 [2023-11-29 06:08:00,302 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 28 treesize of output 23 [2023-11-29 06:08:00,478 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 49 treesize of output 39 [2023-11-29 06:08:00,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 50 [2023-11-29 06:08:00,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 53 [2023-11-29 06:08:01,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:08:01,190 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 103 treesize of output 63 [2023-11-29 06:08:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:08:01,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:08:01,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:08:01,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071383503] [2023-11-29 06:08:01,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071383503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:01,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:08:01,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:08:01,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999543952] [2023-11-29 06:08:01,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:01,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:08:01,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:08:01,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:08:01,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:08:01,294 INFO L87 Difference]: Start difference. First operand 139 states and 186 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:08:07,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:08:11,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:11,837 INFO L93 Difference]: Finished difference Result 779 states and 1038 transitions. [2023-11-29 06:08:11,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 06:08:11,838 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-29 06:08:11,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:08:11,841 INFO L225 Difference]: With dead ends: 779 [2023-11-29 06:08:11,841 INFO L226 Difference]: Without dead ends: 641 [2023-11-29 06:08:11,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2023-11-29 06:08:11,842 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 683 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:08:11,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 598 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 708 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2023-11-29 06:08:11,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2023-11-29 06:08:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 415. [2023-11-29 06:08:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 375 states have (on average 1.312) internal successors, (492), 378 states have internal predecessors, (492), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:08:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 552 transitions. [2023-11-29 06:08:11,921 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 552 transitions. Word has length 57 [2023-11-29 06:08:11,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:08:11,922 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 552 transitions. [2023-11-29 06:08:11,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:08:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 552 transitions. [2023-11-29 06:08:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:08:11,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:08:11,924 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:08:11,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 (10)] Ended with exit code 0 [2023-11-29 06:08:12,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:08:12,125 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:08:12,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:12,127 INFO L85 PathProgramCache]: Analyzing trace with hash 108207730, now seen corresponding path program 1 times [2023-11-29 06:08:12,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:08:12,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021506558] [2023-11-29 06:08:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:12,129 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 [2023-11-29 06:08:12,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:08:12,132 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:08:12,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:08:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:12,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-29 06:08:12,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:12,572 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 32 treesize of output 16 [2023-11-29 06:08:13,739 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 21 treesize of output 20 [2023-11-29 06:08:14,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2023-11-29 06:08:20,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2023-11-29 06:08:24,258 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 44 treesize of output 45 [2023-11-29 06:08:24,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 28 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 94 [2023-11-29 06:08:25,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 108 [2023-11-29 06:08:25,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:08:25,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 110 treesize of output 66 [2023-11-29 06:08:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:08:25,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:08:50,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:08:50,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021506558] [2023-11-29 06:08:50,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021506558] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:50,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [941873164] [2023-11-29 06:08:50,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:50,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:08:50,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:08:50,784 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:08:50,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-29 06:08:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:51,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 06:08:51,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:52,237 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 17 treesize of output 9 [2023-11-29 06:08:55,114 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 14 treesize of output 10 [2023-11-29 06:08:55,411 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 28 treesize of output 23 [2023-11-29 06:08:56,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2023-11-29 06:08:56,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 67 [2023-11-29 06:08:57,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 86 treesize of output 54 [2023-11-29 06:08:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:08:57,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:08:57,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [941873164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:57,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:08:57,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2023-11-29 06:08:57,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972560458] [2023-11-29 06:08:57,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:57,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:08:57,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:08:57,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:08:57,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=542, Unknown=5, NotChecked=0, Total=650 [2023-11-29 06:08:57,553 INFO L87 Difference]: Start difference. First operand 415 states and 552 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:03,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:03,149 INFO L93 Difference]: Finished difference Result 1022 states and 1356 transitions. [2023-11-29 06:09:03,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:09:03,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-29 06:09:03,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:03,153 INFO L225 Difference]: With dead ends: 1022 [2023-11-29 06:09:03,153 INFO L226 Difference]: Without dead ends: 608 [2023-11-29 06:09:03,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 36.8s TimeCoverageRelationStatistics Valid=178, Invalid=747, Unknown=5, NotChecked=0, Total=930 [2023-11-29 06:09:03,154 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 324 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:03,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 303 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 06:09:03,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-11-29 06:09:03,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 409. [2023-11-29 06:09:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 369 states have (on average 1.3062330623306233) internal successors, (482), 372 states have internal predecessors, (482), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:09:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 542 transitions. [2023-11-29 06:09:03,219 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 542 transitions. Word has length 57 [2023-11-29 06:09:03,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:03,220 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 542 transitions. [2023-11-29 06:09:03,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 542 transitions. [2023-11-29 06:09:03,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 06:09:03,221 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:03,221 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:03,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-11-29 06:09:03,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 06:09:03,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:03,622 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:03,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1465137606, now seen corresponding path program 1 times [2023-11-29 06:09:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:09:03,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471698186] [2023-11-29 06:09:03,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:03,623 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 [2023-11-29 06:09:03,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:09:03,624 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:09:03,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:03,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:09:03,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:03,795 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:09:03,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:09:03,795 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:09:03,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471698186] [2023-11-29 06:09:03,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471698186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:03,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:03,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:09:03,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284740594] [2023-11-29 06:09:03,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:03,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:09:03,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:09:03,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:09:03,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:09:03,796 INFO L87 Difference]: Start difference. First operand 409 states and 542 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:09:03,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:03,971 INFO L93 Difference]: Finished difference Result 829 states and 1101 transitions. [2023-11-29 06:09:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:09:03,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2023-11-29 06:09:03,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:03,975 INFO L225 Difference]: With dead ends: 829 [2023-11-29 06:09:03,975 INFO L226 Difference]: Without dead ends: 421 [2023-11-29 06:09:03,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:09:03,976 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 7 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:03,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 247 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:09:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-29 06:09:04,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 409. [2023-11-29 06:09:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 369 states have (on average 1.2981029810298104) internal successors, (479), 372 states have internal predecessors, (479), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:09:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 539 transitions. [2023-11-29 06:09:04,048 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 539 transitions. Word has length 57 [2023-11-29 06:09:04,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:04,048 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 539 transitions. [2023-11-29 06:09:04,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:09:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 539 transitions. [2023-11-29 06:09:04,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 06:09:04,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:04,050 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:04,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:04,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:04,250 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:04,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:04,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1676563272, now seen corresponding path program 1 times [2023-11-29 06:09:04,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:09:04,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106834329] [2023-11-29 06:09:04,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:04,251 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 [2023-11-29 06:09:04,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:09:04,252 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:09:04,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:04,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 06:09:04,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:04,758 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 17 treesize of output 9 [2023-11-29 06:09:07,123 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 14 treesize of output 10 [2023-11-29 06:09:07,279 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 28 treesize of output 23 [2023-11-29 06:09:07,426 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 49 treesize of output 39 [2023-11-29 06:09:07,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 64 [2023-11-29 06:09:07,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 70 [2023-11-29 06:09:08,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:09:08,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 52 [2023-11-29 06:09:09,084 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:09:09,084 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:09:09,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:09:09,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106834329] [2023-11-29 06:09:09,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106834329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:09,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:09,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 06:09:09,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458566451] [2023-11-29 06:09:09,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:09,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 06:09:09,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:09:09,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 06:09:09,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:09:09,086 INFO L87 Difference]: Start difference. First operand 409 states and 539 transitions. Second operand has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:15,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:15,434 INFO L93 Difference]: Finished difference Result 577 states and 755 transitions. [2023-11-29 06:09:15,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:09:15,435 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2023-11-29 06:09:15,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:15,438 INFO L225 Difference]: With dead ends: 577 [2023-11-29 06:09:15,438 INFO L226 Difference]: Without dead ends: 575 [2023-11-29 06:09:15,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2023-11-29 06:09:15,439 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 682 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:15,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 436 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 06:09:15,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2023-11-29 06:09:15,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 417. [2023-11-29 06:09:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 377 states have (on average 1.2917771883289124) internal successors, (487), 380 states have internal predecessors, (487), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:09:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 547 transitions. [2023-11-29 06:09:15,506 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 547 transitions. Word has length 59 [2023-11-29 06:09:15,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:15,506 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 547 transitions. [2023-11-29 06:09:15,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 547 transitions. [2023-11-29 06:09:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 06:09:15,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:15,508 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:15,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 06:09:15,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:15,710 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:15,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:15,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1676622854, now seen corresponding path program 1 times [2023-11-29 06:09:15,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:09:15,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174111585] [2023-11-29 06:09:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:15,711 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 [2023-11-29 06:09:15,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:09:15,713 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:09:15,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:16,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-29 06:09:16,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:16,272 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 17 treesize of output 9 [2023-11-29 06:09:18,644 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 [2023-11-29 06:09:18,814 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 26 treesize of output 21 [2023-11-29 06:09:19,013 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 47 treesize of output 37 [2023-11-29 06:09:19,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 56 [2023-11-29 06:09:19,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 64 [2023-11-29 06:09:20,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:09:20,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 89 treesize of output 61 [2023-11-29 06:09:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:09:20,484 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:09:20,484 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:09:20,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174111585] [2023-11-29 06:09:20,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174111585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:20,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:20,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 06:09:20,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004021048] [2023-11-29 06:09:20,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:20,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:09:20,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:09:20,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:09:20,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:09:20,486 INFO L87 Difference]: Start difference. First operand 417 states and 547 transitions. Second operand has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:28,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:28,082 INFO L93 Difference]: Finished difference Result 1003 states and 1312 transitions. [2023-11-29 06:09:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 06:09:28,083 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2023-11-29 06:09:28,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:28,086 INFO L225 Difference]: With dead ends: 1003 [2023-11-29 06:09:28,086 INFO L226 Difference]: Without dead ends: 587 [2023-11-29 06:09:28,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2023-11-29 06:09:28,087 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 795 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:28,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 494 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 06:09:28,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2023-11-29 06:09:28,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 429. [2023-11-29 06:09:28,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 389 states have (on average 1.2827763496143958) internal successors, (499), 392 states have internal predecessors, (499), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:09:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 559 transitions. [2023-11-29 06:09:28,169 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 559 transitions. Word has length 59 [2023-11-29 06:09:28,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:28,170 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 559 transitions. [2023-11-29 06:09:28,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 559 transitions. [2023-11-29 06:09:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 06:09:28,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:28,171 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:28,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:28,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:28,372 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:28,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:28,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1806223641, now seen corresponding path program 1 times [2023-11-29 06:09:28,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:09:28,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196299441] [2023-11-29 06:09:28,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:28,373 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 [2023-11-29 06:09:28,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:09:28,374 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:09:28,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:28,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:09:28,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:28,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:09:28,563 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 91 treesize of output 31 [2023-11-29 06:09:28,622 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:09:28,622 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:09:28,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:09:28,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196299441] [2023-11-29 06:09:28,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196299441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:28,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:28,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:09:28,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468877034] [2023-11-29 06:09:28,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:28,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:09:28,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:09:28,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:09:28,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:09:28,624 INFO L87 Difference]: Start difference. First operand 429 states and 559 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:28,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:28,738 INFO L93 Difference]: Finished difference Result 985 states and 1272 transitions. [2023-11-29 06:09:28,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:09:28,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2023-11-29 06:09:28,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:28,741 INFO L225 Difference]: With dead ends: 985 [2023-11-29 06:09:28,742 INFO L226 Difference]: Without dead ends: 557 [2023-11-29 06:09:28,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:09:28,743 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 32 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:28,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 171 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:09:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-11-29 06:09:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 429. [2023-11-29 06:09:28,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 389 states have (on average 1.2673521850899743) internal successors, (493), 392 states have internal predecessors, (493), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:09:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 553 transitions. [2023-11-29 06:09:28,821 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 553 transitions. Word has length 59 [2023-11-29 06:09:28,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:28,821 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 553 transitions. [2023-11-29 06:09:28,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 553 transitions. [2023-11-29 06:09:28,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 06:09:28,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:28,823 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:28,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:29,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:29,023 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:29,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:29,024 INFO L85 PathProgramCache]: Analyzing trace with hash 900395753, now seen corresponding path program 1 times [2023-11-29 06:09:29,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:09:29,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596103495] [2023-11-29 06:09:29,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:29,024 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 [2023-11-29 06:09:29,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:09:29,025 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:09:29,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:29,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:09:29,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:29,701 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 [2023-11-29 06:09:29,725 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 18 treesize of output 10 [2023-11-29 06:09:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:09:29,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:09:29,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:09:29,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596103495] [2023-11-29 06:09:29,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596103495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:29,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:29,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:09:29,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182533560] [2023-11-29 06:09:29,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:29,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:09:29,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:09:29,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:09:29,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:09:29,759 INFO L87 Difference]: Start difference. First operand 429 states and 553 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:31,118 INFO L93 Difference]: Finished difference Result 1161 states and 1474 transitions. [2023-11-29 06:09:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:09:31,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2023-11-29 06:09:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:31,123 INFO L225 Difference]: With dead ends: 1161 [2023-11-29 06:09:31,123 INFO L226 Difference]: Without dead ends: 733 [2023-11-29 06:09:31,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:09:31,125 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 186 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:31,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 188 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:09:31,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2023-11-29 06:09:31,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 441. [2023-11-29 06:09:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 401 states have (on average 1.259351620947631) internal successors, (505), 404 states have internal predecessors, (505), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:09:31,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 565 transitions. [2023-11-29 06:09:31,214 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 565 transitions. Word has length 59 [2023-11-29 06:09:31,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:31,214 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 565 transitions. [2023-11-29 06:09:31,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 565 transitions. [2023-11-29 06:09:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 06:09:31,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:31,216 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:31,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:31,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:31,417 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:31,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:31,417 INFO L85 PathProgramCache]: Analyzing trace with hash 527699193, now seen corresponding path program 1 times [2023-11-29 06:09:31,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:09:31,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264396610] [2023-11-29 06:09:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:31,417 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 [2023-11-29 06:09:31,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:09:31,418 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:09:31,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:31,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:09:31,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:31,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:09:31,633 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 37 treesize of output 17 [2023-11-29 06:09:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:09:31,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:09:31,864 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:09:31,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264396610] [2023-11-29 06:09:31,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264396610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:31,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:31,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:09:31,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978396604] [2023-11-29 06:09:31,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:31,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:09:31,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:09:31,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:09:31,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:09:31,866 INFO L87 Difference]: Start difference. First operand 441 states and 565 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:32,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:32,448 INFO L93 Difference]: Finished difference Result 1101 states and 1403 transitions. [2023-11-29 06:09:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:09:32,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2023-11-29 06:09:32,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:32,452 INFO L225 Difference]: With dead ends: 1101 [2023-11-29 06:09:32,452 INFO L226 Difference]: Without dead ends: 661 [2023-11-29 06:09:32,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:09:32,453 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 83 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:32,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 230 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:09:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2023-11-29 06:09:32,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 591. [2023-11-29 06:09:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 543 states have (on average 1.267034990791897) internal successors, (688), 546 states have internal predecessors, (688), 36 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:09:32,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 760 transitions. [2023-11-29 06:09:32,525 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 760 transitions. Word has length 59 [2023-11-29 06:09:32,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:32,526 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 760 transitions. [2023-11-29 06:09:32,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:09:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 760 transitions. [2023-11-29 06:09:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 06:09:32,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:32,527 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:32,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 06:09:32,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:32,728 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:32,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash -564612484, now seen corresponding path program 1 times [2023-11-29 06:09:32,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:09:32,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786291970] [2023-11-29 06:09:32,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:32,729 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 [2023-11-29 06:09:32,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:09:32,730 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:09:32,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:32,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:09:32,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 06:09:32,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:09:32,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:09:32,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786291970] [2023-11-29 06:09:32,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786291970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:09:32,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:09:32,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:09:32,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163251282] [2023-11-29 06:09:32,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:09:32,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:09:32,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:09:32,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:09:32,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:09:32,964 INFO L87 Difference]: Start difference. First operand 591 states and 760 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:09:33,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:09:33,192 INFO L93 Difference]: Finished difference Result 1115 states and 1432 transitions. [2023-11-29 06:09:33,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:09:33,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2023-11-29 06:09:33,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:09:33,195 INFO L225 Difference]: With dead ends: 1115 [2023-11-29 06:09:33,195 INFO L226 Difference]: Without dead ends: 605 [2023-11-29 06:09:33,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:09:33,197 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 7 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:09:33,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 353 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:09:33,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2023-11-29 06:09:33,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 591. [2023-11-29 06:09:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 543 states have (on average 1.2596685082872927) internal successors, (684), 546 states have internal predecessors, (684), 36 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 06:09:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 756 transitions. [2023-11-29 06:09:33,263 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 756 transitions. Word has length 59 [2023-11-29 06:09:33,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:09:33,264 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 756 transitions. [2023-11-29 06:09:33,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 06:09:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 756 transitions. [2023-11-29 06:09:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 06:09:33,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:09:33,265 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:09:33,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 06:09:33,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:33,466 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:09:33,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:09:33,466 INFO L85 PathProgramCache]: Analyzing trace with hash -587244738, now seen corresponding path program 1 times [2023-11-29 06:09:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:09:33,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151421515] [2023-11-29 06:09:33,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:09:33,467 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 [2023-11-29 06:09:33,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:09:33,468 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:09:33,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:09:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:09:33,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 06:09:33,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:09:36,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 06:09:38,985 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 99 treesize of output 61 [2023-11-29 06:09:39,209 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 110 treesize of output 64 [2023-11-29 06:09:39,438 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 110 treesize of output 64 [2023-11-29 06:09:39,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 109 [2023-11-29 06:09:39,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 118 [2023-11-29 06:09:40,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:09:40,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 321 treesize of output 137 [2023-11-29 06:09:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:09:40,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:10:30,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:10:30,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151421515] [2023-11-29 06:10:30,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151421515] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:10:30,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [562779953] [2023-11-29 06:10:30,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:30,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:10:30,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:10:30,936 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:10:30,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-11-29 06:10:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:32,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-29 06:10:32,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:35,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-29 06:10:41,361 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 115 treesize of output 69 [2023-11-29 06:10:41,816 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 40 treesize of output 34 [2023-11-29 06:10:42,231 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 40 treesize of output 34 [2023-11-29 06:10:42,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 79 [2023-11-29 06:10:43,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 91 [2023-11-29 06:10:45,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 86 [2023-11-29 06:10:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:10:45,420 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:01,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [562779953] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:11:01,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:11:01,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 31 [2023-11-29 06:11:01,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231071753] [2023-11-29 06:11:01,583 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:11:01,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-29 06:11:01,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:11:01,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-29 06:11:01,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1259, Unknown=8, NotChecked=0, Total=1482 [2023-11-29 06:11:01,585 INFO L87 Difference]: Start difference. First operand 591 states and 756 transitions. Second operand has 32 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 06:11:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:31,668 INFO L93 Difference]: Finished difference Result 1095 states and 1376 transitions. [2023-11-29 06:11:31,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 06:11:31,669 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 59 [2023-11-29 06:11:31,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:31,672 INFO L225 Difference]: With dead ends: 1095 [2023-11-29 06:11:31,672 INFO L226 Difference]: Without dead ends: 655 [2023-11-29 06:11:31,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 123 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 87.1s TimeCoverageRelationStatistics Valid=775, Invalid=3249, Unknown=8, NotChecked=0, Total=4032 [2023-11-29 06:11:31,674 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 552 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:31,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 652 Invalid, 1594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2023-11-29 06:11:31,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2023-11-29 06:11:31,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 327. [2023-11-29 06:11:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 298 states have (on average 1.2416107382550337) internal successors, (370), 298 states have internal predecessors, (370), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:11:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 410 transitions. [2023-11-29 06:11:31,724 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 410 transitions. Word has length 59 [2023-11-29 06:11:31,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:31,725 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 410 transitions. [2023-11-29 06:11:31,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 06:11:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 410 transitions. [2023-11-29 06:11:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 06:11:31,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:31,725 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:31,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:11:31,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-11-29 06:11:32,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:11:32,126 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:11:32,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1841105974, now seen corresponding path program 1 times [2023-11-29 06:11:32,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:11:32,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948489737] [2023-11-29 06:11:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:32,127 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 [2023-11-29 06:11:32,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:11:32,128 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:11:32,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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)] Waiting until timeout for monitored process [2023-11-29 06:11:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:32,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:11:32,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:32,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:11:32,356 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 91 treesize of output 31 [2023-11-29 06:11:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:11:32,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:11:32,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:11:32,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948489737] [2023-11-29 06:11:32,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948489737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:11:32,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:11:32,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:11:32,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675624227] [2023-11-29 06:11:32,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:11:32,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:11:32,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:11:32,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:11:32,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:11:32,385 INFO L87 Difference]: Start difference. First operand 327 states and 410 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:11:32,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:32,541 INFO L93 Difference]: Finished difference Result 614 states and 770 transitions. [2023-11-29 06:11:32,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:11:32,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2023-11-29 06:11:32,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:32,543 INFO L225 Difference]: With dead ends: 614 [2023-11-29 06:11:32,543 INFO L226 Difference]: Without dead ends: 327 [2023-11-29 06:11:32,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:11:32,544 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 2 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:32,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 153 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:11:32,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-11-29 06:11:32,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2023-11-29 06:11:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 298 states have (on average 1.2248322147651007) internal successors, (365), 298 states have internal predecessors, (365), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:11:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 405 transitions. [2023-11-29 06:11:32,592 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 405 transitions. Word has length 62 [2023-11-29 06:11:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:32,592 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 405 transitions. [2023-11-29 06:11:32,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:11:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 405 transitions. [2023-11-29 06:11:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 06:11:32,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:32,593 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:32,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 06:11:32,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:11:32,793 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:11:32,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:32,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1622251256, now seen corresponding path program 1 times [2023-11-29 06:11:32,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:11:32,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772044703] [2023-11-29 06:11:32,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:32,794 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 [2023-11-29 06:11:32,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:11:32,795 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:11:32,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:11:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:33,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-29 06:11:33,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:33,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 06:11:34,470 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 [2023-11-29 06:11:35,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2023-11-29 06:11:40,708 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 29 treesize of output 31 [2023-11-29 06:11:40,983 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 40 treesize of output 34 [2023-11-29 06:11:41,188 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 40 treesize of output 34 [2023-11-29 06:11:41,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 50 [2023-11-29 06:11:41,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 72 [2023-11-29 06:11:41,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:11:41,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 94 treesize of output 50 [2023-11-29 06:11:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 06:11:42,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:11:42,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:11:42,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772044703] [2023-11-29 06:11:42,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772044703] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:11:42,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:11:42,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-11-29 06:11:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279863898] [2023-11-29 06:11:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:11:42,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:11:42,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:11:42,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:11:42,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=202, Unknown=1, NotChecked=0, Total=240 [2023-11-29 06:11:42,222 INFO L87 Difference]: Start difference. First operand 327 states and 405 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:11:43,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:43,074 INFO L93 Difference]: Finished difference Result 741 states and 907 transitions. [2023-11-29 06:11:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:11:43,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2023-11-29 06:11:43,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:43,077 INFO L225 Difference]: With dead ends: 741 [2023-11-29 06:11:43,078 INFO L226 Difference]: Without dead ends: 502 [2023-11-29 06:11:43,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=74, Invalid=387, Unknown=1, NotChecked=0, Total=462 [2023-11-29 06:11:43,079 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 109 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:43,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 295 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:11:43,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-29 06:11:43,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 332. [2023-11-29 06:11:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 303 states have (on average 1.221122112211221) internal successors, (370), 303 states have internal predecessors, (370), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:11:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 410 transitions. [2023-11-29 06:11:43,129 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 410 transitions. Word has length 62 [2023-11-29 06:11:43,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:43,129 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 410 transitions. [2023-11-29 06:11:43,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:11:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 410 transitions. [2023-11-29 06:11:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 06:11:43,130 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:43,130 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:43,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 06:11:43,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:11:43,331 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:11:43,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:43,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1279980189, now seen corresponding path program 1 times [2023-11-29 06:11:43,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:11:43,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016228908] [2023-11-29 06:11:43,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:43,332 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 [2023-11-29 06:11:43,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:11:43,333 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:11:43,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 (24)] Waiting until timeout for monitored process [2023-11-29 06:11:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:43,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:11:43,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:43,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:11:43,593 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 91 treesize of output 31 [2023-11-29 06:11:43,630 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 06:11:43,631 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:11:43,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:11:43,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016228908] [2023-11-29 06:11:43,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016228908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:11:43,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:11:43,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:11:43,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768835566] [2023-11-29 06:11:43,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:11:43,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:11:43,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:11:43,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:11:43,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:11:43,633 INFO L87 Difference]: Start difference. First operand 332 states and 410 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:11:44,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:44,195 INFO L93 Difference]: Finished difference Result 649 states and 792 transitions. [2023-11-29 06:11:44,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:11:44,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2023-11-29 06:11:44,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:44,199 INFO L225 Difference]: With dead ends: 649 [2023-11-29 06:11:44,199 INFO L226 Difference]: Without dead ends: 379 [2023-11-29 06:11:44,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:11:44,201 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 51 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:44,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 196 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:11:44,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-11-29 06:11:44,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 289. [2023-11-29 06:11:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 260 states have (on average 1.2) internal successors, (312), 260 states have internal predecessors, (312), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:11:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 352 transitions. [2023-11-29 06:11:44,251 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 352 transitions. Word has length 64 [2023-11-29 06:11:44,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:44,251 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 352 transitions. [2023-11-29 06:11:44,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 06:11:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 352 transitions. [2023-11-29 06:11:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:11:44,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:44,252 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:44,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 (24)] Ended with exit code 0 [2023-11-29 06:11:44,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:11:44,455 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:11:44,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:44,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1055874843, now seen corresponding path program 1 times [2023-11-29 06:11:44,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:11:44,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999633781] [2023-11-29 06:11:44,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:44,456 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 [2023-11-29 06:11:44,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:11:44,457 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:11:44,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 (25)] Waiting until timeout for monitored process [2023-11-29 06:11:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:44,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 06:11:44,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:44,847 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 21 treesize of output 9 [2023-11-29 06:11:54,805 INFO L349 Elim1Store]: treesize reduction 9, result has 86.2 percent of original size [2023-11-29 06:11:54,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 95 [2023-11-29 06:11:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 115 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-29 06:11:57,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:12:02,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:12:02,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 86 treesize of output 206 [2023-11-29 06:12:43,584 WARN L293 SmtUtils]: Spent 9.45s on a formula simplification that was a NOOP. DAG size: 198 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:13:43,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:13:43,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999633781] [2023-11-29 06:13:43,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999633781] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:13:43,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1885940720] [2023-11-29 06:13:43,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:13:43,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:13:43,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:13:43,372 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:13:43,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-11-29 06:13:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:13:44,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 06:13:44,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:13:45,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 25 treesize of output 13 [2023-11-29 06:14:04,145 INFO L349 Elim1Store]: treesize reduction 9, result has 85.2 percent of original size [2023-11-29 06:14:04,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 91 [2023-11-29 06:14:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 115 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-29 06:14:06,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:14:08,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:14:08,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 86 treesize of output 206 [2023-11-29 06:14:59,324 WARN L293 SmtUtils]: Spent 10.85s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:16:17,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1885940720] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:16:17,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:16:17,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2023-11-29 06:16:17,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324267742] [2023-11-29 06:16:17,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:16:17,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-29 06:16:17,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:16:17,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-29 06:16:17,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1530, Unknown=4, NotChecked=0, Total=1722 [2023-11-29 06:16:17,647 INFO L87 Difference]: Start difference. First operand 289 states and 352 transitions. Second operand has 28 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 27 states have internal predecessors, (111), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:16:43,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:16:58,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:17:12,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:17:53,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:12,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:16,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:27,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:18:29,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:18:29,473 INFO L93 Difference]: Finished difference Result 585 states and 697 transitions. [2023-11-29 06:18:29,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 06:18:29,474 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 27 states have internal predecessors, (111), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 117 [2023-11-29 06:18:29,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:18:29,476 INFO L225 Difference]: With dead ends: 585 [2023-11-29 06:18:29,476 INFO L226 Difference]: Without dead ends: 443 [2023-11-29 06:18:29,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 359 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 141.1s TimeCoverageRelationStatistics Valid=852, Invalid=4393, Unknown=11, NotChecked=0, Total=5256 [2023-11-29 06:18:29,478 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 246 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 26 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:18:29,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 955 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2248 Invalid, 7 Unknown, 0 Unchecked, 62.5s Time] [2023-11-29 06:18:29,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-11-29 06:18:29,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 339. [2023-11-29 06:18:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 302 states have (on average 1.185430463576159) internal successors, (358), 302 states have internal predecessors, (358), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 06:18:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 408 transitions. [2023-11-29 06:18:29,545 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 408 transitions. Word has length 117 [2023-11-29 06:18:29,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:18:29,545 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 408 transitions. [2023-11-29 06:18:29,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 27 states have internal predecessors, (111), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:18:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 408 transitions. [2023-11-29 06:18:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:18:29,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:18:29,546 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:18:29,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 (25)] Ended with exit code 0 [2023-11-29 06:18:29,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-11-29 06:18:29,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:18:29,947 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:18:29,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:18:29,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1328049895, now seen corresponding path program 1 times [2023-11-29 06:18:29,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:18:29,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612491432] [2023-11-29 06:18:29,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:18:29,948 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 [2023-11-29 06:18:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:18:29,949 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:18:29,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/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 (27)] Waiting until timeout for monitored process [2023-11-29 06:18:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:18:30,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-29 06:18:30,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:18:30,835 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 29 treesize of output 24 [2023-11-29 06:18:33,589 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 37 treesize of output 35 [2023-11-29 06:18:36,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2023-11-29 06:18:43,241 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 0 case distinctions, treesize of input 45 treesize of output 46 [2023-11-29 06:18:47,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54 [2023-11-29 06:18:48,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 69 [2023-11-29 06:18:48,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 28 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 88 [2023-11-29 06:18:49,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 95 [2023-11-29 06:18:53,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:18:53,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 109 treesize of output 61 [2023-11-29 06:18:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 52 proven. 115 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-29 06:18:55,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:19:28,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:19:28,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612491432] [2023-11-29 06:19:28,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612491432] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:19:28,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1332012549] [2023-11-29 06:19:28,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:19:28,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:19:28,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:19:28,013 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:19:28,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d3f856-3cb8-423d-8e12-d3393b1f2830/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-11-29 06:19:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:19:29,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-29 06:19:29,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:19:30,427 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 40 treesize of output 27 [2023-11-29 06:19:33,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 29 treesize of output 24 [2023-11-29 06:19:36,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2023-11-29 06:19:47,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37