./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 e6d92a25ae36f7e711770b5cc6315f0210bbc7c0c024aaddffcd3216b7942769 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:14:39,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:14:39,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:14:39,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:14:39,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:14:40,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:14:40,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:14:40,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:14:40,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:14:40,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:14:40,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:14:40,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:14:40,041 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:14:40,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:14:40,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:14:40,044 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:14:40,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:14:40,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:14:40,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:14:40,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:14:40,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:14:40,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:14:40,048 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:14:40,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:14:40,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:14:40,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:14:40,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:14:40,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:14:40,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:40,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:14:40,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:14:40,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:14:40,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:14:40,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:14:40,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:14:40,073 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:14:40,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:14:40,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:14:40,074 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:14:40,074 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_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d92a25ae36f7e711770b5cc6315f0210bbc7c0c024aaddffcd3216b7942769 [2023-11-06 22:14:40,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:14:40,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:14:40,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:14:40,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:14:40,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:14:40,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i [2023-11-06 22:14:43,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:14:43,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:14:43,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i [2023-11-06 22:14:43,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/data/4fd941f75/8e84d1fc4f354e76952f24b628567c9d/FLAG1a0f78b7f [2023-11-06 22:14:43,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/data/4fd941f75/8e84d1fc4f354e76952f24b628567c9d [2023-11-06 22:14:43,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:14:43,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:14:43,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:43,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:14:43,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:14:43,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:43" (1/1) ... [2023-11-06 22:14:43,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1304b7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:43, skipping insertion in model container [2023-11-06 22:14:43,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:43" (1/1) ... [2023-11-06 22:14:43,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:14:43,939 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_2f123226-ed37-4f14-a1bb-d4091c4786c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i[916,929] [2023-11-06 22:14:44,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:44,018 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:14:44,031 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_2f123226-ed37-4f14-a1bb-d4091c4786c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i[916,929] [2023-11-06 22:14:44,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:44,100 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:14:44,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44 WrapperNode [2023-11-06 22:14:44,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:44,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:44,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:14:44,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:14:44,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,179 INFO L138 Inliner]: procedures = 29, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 429 [2023-11-06 22:14:44,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:44,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:14:44,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:14:44,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:14:44,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:14:44,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:14:44,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:14:44,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:14:44,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (1/1) ... [2023-11-06 22:14:44,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:44,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:44,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:44,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:14:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:14:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:14:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:14:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:14:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:14:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 22:14:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:14:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:14:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:14:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:14:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:14:44,556 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:14:44,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:14:45,110 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:14:45,118 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:14:45,118 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:14:45,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:45 BoogieIcfgContainer [2023-11-06 22:14:45,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:14:45,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:14:45,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:14:45,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:14:45,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:14:43" (1/3) ... [2023-11-06 22:14:45,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1bbf5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:14:45, skipping insertion in model container [2023-11-06 22:14:45,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:44" (2/3) ... [2023-11-06 22:14:45,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1bbf5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:14:45, skipping insertion in model container [2023-11-06 22:14:45,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:45" (3/3) ... [2023-11-06 22:14:45,139 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-13.i [2023-11-06 22:14:45,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:14:45,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:14:45,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:14:45,234 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=LoopsAndPotentialCycles, 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;@777df02a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:14:45,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:14:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 94 states have (on average 1.446808510638298) internal successors, (136), 95 states have internal predecessors, (136), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:14:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-06 22:14:45,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:45,256 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:45,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:45,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:45,262 INFO L85 PathProgramCache]: Analyzing trace with hash 814697608, now seen corresponding path program 1 times [2023-11-06 22:14:45,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:45,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49851557] [2023-11-06 22:14:45,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:45,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:14:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:14:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:14:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:14:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:14:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:14:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 22:14:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:14:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:14:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:14:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:14:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:14:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:14:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:14:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 22:14:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:46,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:46,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49851557] [2023-11-06 22:14:46,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49851557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:46,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:46,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:14:46,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233816939] [2023-11-06 22:14:46,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:46,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:14:46,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:46,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:14:46,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:14:46,256 INFO L87 Difference]: Start difference. First operand has 112 states, 94 states have (on average 1.446808510638298) internal successors, (136), 95 states have internal predecessors, (136), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:46,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:46,366 INFO L93 Difference]: Finished difference Result 239 states and 375 transitions. [2023-11-06 22:14:46,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:14:46,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2023-11-06 22:14:46,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:46,379 INFO L225 Difference]: With dead ends: 239 [2023-11-06 22:14:46,379 INFO L226 Difference]: Without dead ends: 130 [2023-11-06 22:14:46,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:14:46,387 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 41 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:46,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 507 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-06 22:14:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 110. [2023-11-06 22:14:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 93 states have internal predecessors, (131), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:14:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2023-11-06 22:14:46,439 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 131 [2023-11-06 22:14:46,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:46,442 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2023-11-06 22:14:46,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2023-11-06 22:14:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:14:46,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:46,447 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:46,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:14:46,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:46,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:46,449 INFO L85 PathProgramCache]: Analyzing trace with hash 828827457, now seen corresponding path program 1 times [2023-11-06 22:14:46,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:46,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44396268] [2023-11-06 22:14:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:46,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:14:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:14:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:14:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:14:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:14:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:14:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 22:14:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:14:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:14:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:14:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:14:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:14:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:14:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:14:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 22:14:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:48,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:48,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44396268] [2023-11-06 22:14:48,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44396268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:48,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:48,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:14:48,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772688155] [2023-11-06 22:14:48,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:48,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:14:48,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:48,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:14:48,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:14:48,327 INFO L87 Difference]: Start difference. First operand 110 states and 161 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 22:14:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:48,792 INFO L93 Difference]: Finished difference Result 324 states and 477 transitions. [2023-11-06 22:14:48,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:14:48,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 133 [2023-11-06 22:14:48,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:48,806 INFO L225 Difference]: With dead ends: 324 [2023-11-06 22:14:48,806 INFO L226 Difference]: Without dead ends: 217 [2023-11-06 22:14:48,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:14:48,814 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 200 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:48,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 254 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:14:48,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-06 22:14:48,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2023-11-06 22:14:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 180 states have (on average 1.4111111111111112) internal successors, (254), 180 states have internal predecessors, (254), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 314 transitions. [2023-11-06 22:14:48,904 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 314 transitions. Word has length 133 [2023-11-06 22:14:48,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:48,905 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 314 transitions. [2023-11-06 22:14:48,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 22:14:48,905 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 314 transitions. [2023-11-06 22:14:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:14:48,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:48,917 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:48,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:14:48,917 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:48,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash 11179007, now seen corresponding path program 1 times [2023-11-06 22:14:48,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:48,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595508122] [2023-11-06 22:14:48,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:48,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:48,963 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:48,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540078558] [2023-11-06 22:14:48,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:48,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:48,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:48,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:48,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:14:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:49,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:14:49,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:14:49,829 INFO L351 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 18 treesize of output 13 [2023-11-06 22:14:49,862 INFO L351 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 35 treesize of output 23 [2023-11-06 22:14:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:49,875 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:49,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:49,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595508122] [2023-11-06 22:14:49,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:14:49,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540078558] [2023-11-06 22:14:49,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540078558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:49,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:49,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:14:49,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726248190] [2023-11-06 22:14:49,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:49,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:14:49,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:49,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:14:49,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:14:49,884 INFO L87 Difference]: Start difference. First operand 213 states and 314 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:50,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:50,308 INFO L93 Difference]: Finished difference Result 502 states and 740 transitions. [2023-11-06 22:14:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:14:50,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 133 [2023-11-06 22:14:50,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:50,314 INFO L225 Difference]: With dead ends: 502 [2023-11-06 22:14:50,316 INFO L226 Difference]: Without dead ends: 292 [2023-11-06 22:14:50,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:14:50,321 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 148 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:50,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 462 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:14:50,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-11-06 22:14:50,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 218. [2023-11-06 22:14:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 185 states have internal predecessors, (260), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 320 transitions. [2023-11-06 22:14:50,373 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 320 transitions. Word has length 133 [2023-11-06 22:14:50,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:50,374 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 320 transitions. [2023-11-06 22:14:50,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 320 transitions. [2023-11-06 22:14:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:14:50,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:50,377 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:50,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:14:50,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:50,583 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:50,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:50,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1577168895, now seen corresponding path program 1 times [2023-11-06 22:14:50,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:50,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35434170] [2023-11-06 22:14:50,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:50,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:50,626 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:50,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864894767] [2023-11-06 22:14:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:50,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:50,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:50,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:50,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:14:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:50,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:14:50,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:50,890 INFO L351 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 [2023-11-06 22:14:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:50,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:50,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:50,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35434170] [2023-11-06 22:14:50,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:14:50,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864894767] [2023-11-06 22:14:50,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864894767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:50,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:50,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:14:50,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597093026] [2023-11-06 22:14:50,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:50,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:14:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:50,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:14:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:14:50,903 INFO L87 Difference]: Start difference. First operand 218 states and 320 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:51,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:51,137 INFO L93 Difference]: Finished difference Result 537 states and 791 transitions. [2023-11-06 22:14:51,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:14:51,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 133 [2023-11-06 22:14:51,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:51,141 INFO L225 Difference]: With dead ends: 537 [2023-11-06 22:14:51,142 INFO L226 Difference]: Without dead ends: 322 [2023-11-06 22:14:51,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:14:51,143 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 113 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:51,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 506 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:14:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2023-11-06 22:14:51,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 224. [2023-11-06 22:14:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 191 states have (on average 1.4031413612565444) internal successors, (268), 191 states have internal predecessors, (268), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 328 transitions. [2023-11-06 22:14:51,172 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 328 transitions. Word has length 133 [2023-11-06 22:14:51,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:51,173 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 328 transitions. [2023-11-06 22:14:51,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 328 transitions. [2023-11-06 22:14:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:14:51,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:51,175 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:51,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:14:51,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:51,382 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:51,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:51,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1915262817, now seen corresponding path program 1 times [2023-11-06 22:14:51,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:51,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186729622] [2023-11-06 22:14:51,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:51,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:51,417 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:51,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763841651] [2023-11-06 22:14:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:51,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:51,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:51,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:51,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:14:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:51,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:14:51,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:14:52,173 INFO L351 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 16 [2023-11-06 22:14:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:52,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:52,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:52,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186729622] [2023-11-06 22:14:52,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:14:52,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763841651] [2023-11-06 22:14:52,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763841651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:52,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:52,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:14:52,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323843578] [2023-11-06 22:14:52,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:52,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:14:52,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:52,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:14:52,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:14:52,250 INFO L87 Difference]: Start difference. First operand 224 states and 328 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:52,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:52,690 INFO L93 Difference]: Finished difference Result 550 states and 808 transitions. [2023-11-06 22:14:52,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:14:52,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2023-11-06 22:14:52,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:52,694 INFO L225 Difference]: With dead ends: 550 [2023-11-06 22:14:52,694 INFO L226 Difference]: Without dead ends: 329 [2023-11-06 22:14:52,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:14:52,696 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 307 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:52,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 433 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:14:52,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2023-11-06 22:14:52,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 249. [2023-11-06 22:14:52,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 216 states have (on average 1.4074074074074074) internal successors, (304), 216 states have internal predecessors, (304), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 364 transitions. [2023-11-06 22:14:52,732 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 364 transitions. Word has length 134 [2023-11-06 22:14:52,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:52,734 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 364 transitions. [2023-11-06 22:14:52,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 364 transitions. [2023-11-06 22:14:52,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:14:52,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:52,737 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:52,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:52,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:52,947 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:52,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:52,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1678639901, now seen corresponding path program 1 times [2023-11-06 22:14:52,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:52,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824017391] [2023-11-06 22:14:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:52,987 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:52,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735678918] [2023-11-06 22:14:52,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:52,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:52,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:53,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:14:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:53,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:14:53,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:53,360 INFO L351 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 [2023-11-06 22:14:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:53,459 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:53,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:53,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824017391] [2023-11-06 22:14:53,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:14:53,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735678918] [2023-11-06 22:14:53,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735678918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:53,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:53,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:14:53,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213459719] [2023-11-06 22:14:53,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:53,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:14:53,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:53,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:14:53,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:14:53,463 INFO L87 Difference]: Start difference. First operand 249 states and 364 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:53,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:53,934 INFO L93 Difference]: Finished difference Result 665 states and 972 transitions. [2023-11-06 22:14:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:14:53,935 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2023-11-06 22:14:53,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:53,939 INFO L225 Difference]: With dead ends: 665 [2023-11-06 22:14:53,939 INFO L226 Difference]: Without dead ends: 419 [2023-11-06 22:14:53,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:14:53,941 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 439 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:53,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 621 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:14:53,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2023-11-06 22:14:53,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 294. [2023-11-06 22:14:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 261 states have (on average 1.3984674329501916) internal successors, (365), 261 states have internal predecessors, (365), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 425 transitions. [2023-11-06 22:14:53,980 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 425 transitions. Word has length 134 [2023-11-06 22:14:53,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:53,981 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 425 transitions. [2023-11-06 22:14:53,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 425 transitions. [2023-11-06 22:14:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:14:53,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:53,983 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:53,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 22:14:54,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:54,190 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:54,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:54,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2071666911, now seen corresponding path program 1 times [2023-11-06 22:14:54,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:54,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116080674] [2023-11-06 22:14:54,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:54,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:54,226 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:54,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1140634422] [2023-11-06 22:14:54,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:54,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:54,228 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:54,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:14:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:54,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:14:54,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:55,013 INFO L351 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 [2023-11-06 22:14:55,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:14:55,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:14:55,137 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:14:55,138 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2023-11-06 22:14:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:55,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:55,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:55,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116080674] [2023-11-06 22:14:55,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:14:55,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140634422] [2023-11-06 22:14:55,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140634422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:55,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:55,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:14:55,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642867794] [2023-11-06 22:14:55,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:55,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:14:55,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:55,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:14:55,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:14:55,295 INFO L87 Difference]: Start difference. First operand 294 states and 425 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:55,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:55,916 INFO L93 Difference]: Finished difference Result 842 states and 1212 transitions. [2023-11-06 22:14:55,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:14:55,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2023-11-06 22:14:55,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:55,922 INFO L225 Difference]: With dead ends: 842 [2023-11-06 22:14:55,922 INFO L226 Difference]: Without dead ends: 551 [2023-11-06 22:14:55,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:14:55,924 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 379 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:55,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 580 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:14:55,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2023-11-06 22:14:55,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 325. [2023-11-06 22:14:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 292 states have (on average 1.3869863013698631) internal successors, (405), 292 states have internal predecessors, (405), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 465 transitions. [2023-11-06 22:14:55,953 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 465 transitions. Word has length 134 [2023-11-06 22:14:55,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:55,953 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 465 transitions. [2023-11-06 22:14:55,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 465 transitions. [2023-11-06 22:14:55,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:14:55,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:55,956 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:55,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:56,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:56,172 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:56,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:56,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1967914538, now seen corresponding path program 1 times [2023-11-06 22:14:56,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:56,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971009088] [2023-11-06 22:14:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:56,216 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:56,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691115575] [2023-11-06 22:14:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:56,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:56,218 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:56,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:14:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:56,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:14:56,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:56,461 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:56,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:56,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:56,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971009088] [2023-11-06 22:14:56,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:14:56,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691115575] [2023-11-06 22:14:56,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691115575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:56,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:56,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:14:56,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065822566] [2023-11-06 22:14:56,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:56,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:14:56,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:56,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:14:56,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:56,465 INFO L87 Difference]: Start difference. First operand 325 states and 465 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:56,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:56,494 INFO L93 Difference]: Finished difference Result 641 states and 918 transitions. [2023-11-06 22:14:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:14:56,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2023-11-06 22:14:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:56,497 INFO L225 Difference]: With dead ends: 641 [2023-11-06 22:14:56,498 INFO L226 Difference]: Without dead ends: 319 [2023-11-06 22:14:56,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:56,499 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:56,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-11-06 22:14:56,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2023-11-06 22:14:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 286 states have (on average 1.3496503496503496) internal successors, (386), 286 states have internal predecessors, (386), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 446 transitions. [2023-11-06 22:14:56,527 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 446 transitions. Word has length 134 [2023-11-06 22:14:56,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:56,528 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 446 transitions. [2023-11-06 22:14:56,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 446 transitions. [2023-11-06 22:14:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:14:56,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:56,531 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:56,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:56,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:14:56,737 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:56,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:56,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1798678945, now seen corresponding path program 1 times [2023-11-06 22:14:56,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:56,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278528931] [2023-11-06 22:14:56,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:56,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:56,780 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:56,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936521906] [2023-11-06 22:14:56,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:56,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:56,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:56,782 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:56,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:14:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:14:57,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:57,692 INFO L351 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 [2023-11-06 22:14:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:14:57,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:14:57,811 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:14:57,811 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2023-11-06 22:14:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:57,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:57,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:57,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278528931] [2023-11-06 22:14:57,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:14:57,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936521906] [2023-11-06 22:14:57,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936521906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:57,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:57,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:14:57,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678089192] [2023-11-06 22:14:57,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:57,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:14:57,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:57,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:14:57,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:14:57,954 INFO L87 Difference]: Start difference. First operand 319 states and 446 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:58,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:58,567 INFO L93 Difference]: Finished difference Result 842 states and 1176 transitions. [2023-11-06 22:14:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:14:58,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2023-11-06 22:14:58,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:58,571 INFO L225 Difference]: With dead ends: 842 [2023-11-06 22:14:58,571 INFO L226 Difference]: Without dead ends: 526 [2023-11-06 22:14:58,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:14:58,573 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 311 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:58,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 546 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:14:58,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-11-06 22:14:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 339. [2023-11-06 22:14:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 306 states have (on average 1.3333333333333333) internal successors, (408), 306 states have internal predecessors, (408), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 468 transitions. [2023-11-06 22:14:58,598 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 468 transitions. Word has length 134 [2023-11-06 22:14:58,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:58,599 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 468 transitions. [2023-11-06 22:14:58,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 468 transitions. [2023-11-06 22:14:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:14:58,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:58,601 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:58,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:58,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 22:14:58,807 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:58,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:58,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1405651935, now seen corresponding path program 1 times [2023-11-06 22:14:58,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:58,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161528325] [2023-11-06 22:14:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:58,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:58,837 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:58,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2037430396] [2023-11-06 22:14:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:58,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:58,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:58,839 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:58,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:14:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:14:59,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:59,119 INFO L351 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 13 treesize of output 9 [2023-11-06 22:14:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:14:59,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:59,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:59,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161528325] [2023-11-06 22:14:59,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:14:59,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037430396] [2023-11-06 22:14:59,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037430396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:59,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:59,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:14:59,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542109725] [2023-11-06 22:14:59,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:59,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:14:59,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:59,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:14:59,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:14:59,164 INFO L87 Difference]: Start difference. First operand 339 states and 468 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:59,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:59,398 INFO L93 Difference]: Finished difference Result 777 states and 1079 transitions. [2023-11-06 22:14:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:14:59,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2023-11-06 22:14:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:59,408 INFO L225 Difference]: With dead ends: 777 [2023-11-06 22:14:59,408 INFO L226 Difference]: Without dead ends: 441 [2023-11-06 22:14:59,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:14:59,410 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 128 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:59,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 799 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:14:59,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-11-06 22:14:59,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 353. [2023-11-06 22:14:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 320 states have (on average 1.334375) internal successors, (427), 320 states have internal predecessors, (427), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:14:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 487 transitions. [2023-11-06 22:14:59,440 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 487 transitions. Word has length 134 [2023-11-06 22:14:59,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:59,441 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 487 transitions. [2023-11-06 22:14:59,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:14:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 487 transitions. [2023-11-06 22:14:59,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:14:59,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:59,443 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:59,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:59,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:59,650 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:59,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:59,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1931118301, now seen corresponding path program 1 times [2023-11-06 22:14:59,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:59,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384853584] [2023-11-06 22:14:59,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:59,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:59,685 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:14:59,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123470347] [2023-11-06 22:14:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:59,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:59,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:59,687 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:59,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:14:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:14:59,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:00,457 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:15:00,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:00,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:00,659 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:15:00,660 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2023-11-06 22:15:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:00,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:00,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384853584] [2023-11-06 22:15:00,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123470347] [2023-11-06 22:15:00,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123470347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:00,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:00,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:15:00,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347591908] [2023-11-06 22:15:00,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:00,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:00,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:00,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:00,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:00,811 INFO L87 Difference]: Start difference. First operand 353 states and 487 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:01,327 INFO L93 Difference]: Finished difference Result 813 states and 1128 transitions. [2023-11-06 22:15:01,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:01,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2023-11-06 22:15:01,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:01,331 INFO L225 Difference]: With dead ends: 813 [2023-11-06 22:15:01,331 INFO L226 Difference]: Without dead ends: 463 [2023-11-06 22:15:01,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:15:01,332 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 230 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:01,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 461 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:01,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-11-06 22:15:01,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 334. [2023-11-06 22:15:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 301 states have (on average 1.345514950166113) internal successors, (405), 301 states have internal predecessors, (405), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 465 transitions. [2023-11-06 22:15:01,360 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 465 transitions. Word has length 134 [2023-11-06 22:15:01,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:01,360 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 465 transitions. [2023-11-06 22:15:01,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 465 transitions. [2023-11-06 22:15:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:15:01,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:01,362 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:01,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:01,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:15:01,568 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:01,569 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:01,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1939227555, now seen corresponding path program 1 times [2023-11-06 22:15:01,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:01,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160807651] [2023-11-06 22:15:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:01,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:01,596 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:01,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707861904] [2023-11-06 22:15:01,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:01,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:01,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:01,597 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:01,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:15:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:01,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:15:01,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:02,341 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:15:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:02,536 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:15:02,536 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 26 [2023-11-06 22:15:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:02,655 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:02,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:02,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160807651] [2023-11-06 22:15:02,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:02,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707861904] [2023-11-06 22:15:02,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707861904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:02,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:02,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:15:02,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156816769] [2023-11-06 22:15:02,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:02,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:02,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:02,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:02,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:02,658 INFO L87 Difference]: Start difference. First operand 334 states and 465 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:03,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:03,190 INFO L93 Difference]: Finished difference Result 793 states and 1108 transitions. [2023-11-06 22:15:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:03,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2023-11-06 22:15:03,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:03,193 INFO L225 Difference]: With dead ends: 793 [2023-11-06 22:15:03,193 INFO L226 Difference]: Without dead ends: 462 [2023-11-06 22:15:03,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:15:03,194 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 192 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:03,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 513 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:15:03,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2023-11-06 22:15:03,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 324. [2023-11-06 22:15:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 291 states have (on average 1.3505154639175259) internal successors, (393), 291 states have internal predecessors, (393), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 453 transitions. [2023-11-06 22:15:03,223 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 453 transitions. Word has length 134 [2023-11-06 22:15:03,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:03,223 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 453 transitions. [2023-11-06 22:15:03,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 453 transitions. [2023-11-06 22:15:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:15:03,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:03,226 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:03,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:03,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:15:03,432 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:03,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:03,432 INFO L85 PathProgramCache]: Analyzing trace with hash 661535356, now seen corresponding path program 1 times [2023-11-06 22:15:03,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:03,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379495017] [2023-11-06 22:15:03,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:03,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:03,457 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:03,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639903445] [2023-11-06 22:15:03,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:03,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:03,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:03,459 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:03,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:15:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:03,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:15:03,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:04,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:04,305 INFO L351 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 18 treesize of output 13 [2023-11-06 22:15:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:04,356 INFO L351 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 18 treesize of output 13 [2023-11-06 22:15:04,370 INFO L351 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 [2023-11-06 22:15:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:04,382 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:04,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:04,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379495017] [2023-11-06 22:15:04,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:04,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639903445] [2023-11-06 22:15:04,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639903445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:04,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:04,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:15:04,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032866189] [2023-11-06 22:15:04,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:04,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:15:04,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:04,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:15:04,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:15:04,386 INFO L87 Difference]: Start difference. First operand 324 states and 453 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:04,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:04,873 INFO L93 Difference]: Finished difference Result 752 states and 1044 transitions. [2023-11-06 22:15:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:04,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2023-11-06 22:15:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:04,877 INFO L225 Difference]: With dead ends: 752 [2023-11-06 22:15:04,877 INFO L226 Difference]: Without dead ends: 431 [2023-11-06 22:15:04,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:15:04,879 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 205 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:04,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 619 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:04,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-11-06 22:15:04,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 336. [2023-11-06 22:15:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 303 states have (on average 1.3465346534653466) internal successors, (408), 303 states have internal predecessors, (408), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 468 transitions. [2023-11-06 22:15:04,906 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 468 transitions. Word has length 135 [2023-11-06 22:15:04,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:04,906 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 468 transitions. [2023-11-06 22:15:04,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 468 transitions. [2023-11-06 22:15:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:15:04,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:04,908 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:04,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:05,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:15:05,115 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:05,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:05,115 INFO L85 PathProgramCache]: Analyzing trace with hash 832653862, now seen corresponding path program 1 times [2023-11-06 22:15:05,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:05,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197532272] [2023-11-06 22:15:05,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:05,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:15:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:15:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:15:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:15:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:15:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:15:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 22:15:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:15:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:15:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:15:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:15:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:15:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:15:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:15:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 22:15:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:05,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:05,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197532272] [2023-11-06 22:15:05,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197532272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:05,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:05,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:15:05,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166435000] [2023-11-06 22:15:05,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:05,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:05,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:05,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:05,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:05,737 INFO L87 Difference]: Start difference. First operand 336 states and 468 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:05,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:05,968 INFO L93 Difference]: Finished difference Result 569 states and 798 transitions. [2023-11-06 22:15:05,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:05,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2023-11-06 22:15:05,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:05,971 INFO L225 Difference]: With dead ends: 569 [2023-11-06 22:15:05,971 INFO L226 Difference]: Without dead ends: 352 [2023-11-06 22:15:05,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:15:05,973 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 8 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:05,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 754 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:05,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-11-06 22:15:06,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 344. [2023-11-06 22:15:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 311 states have (on average 1.347266881028939) internal successors, (419), 311 states have internal predecessors, (419), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 479 transitions. [2023-11-06 22:15:06,035 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 479 transitions. Word has length 135 [2023-11-06 22:15:06,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:06,036 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 479 transitions. [2023-11-06 22:15:06,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 479 transitions. [2023-11-06 22:15:06,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:15:06,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:06,038 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:06,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:15:06,038 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:06,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:06,039 INFO L85 PathProgramCache]: Analyzing trace with hash 15005412, now seen corresponding path program 1 times [2023-11-06 22:15:06,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:06,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102001733] [2023-11-06 22:15:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:06,068 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:06,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692216733] [2023-11-06 22:15:06,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:06,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:06,070 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:06,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:15:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:06,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:15:06,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:06,358 INFO L351 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 15 treesize of output 7 [2023-11-06 22:15:06,363 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:06,363 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:06,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:06,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102001733] [2023-11-06 22:15:06,364 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:06,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692216733] [2023-11-06 22:15:06,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692216733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:06,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:06,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:15:06,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606812711] [2023-11-06 22:15:06,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:06,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:06,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:06,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:06,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:06,369 INFO L87 Difference]: Start difference. First operand 344 states and 479 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:06,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:06,394 INFO L93 Difference]: Finished difference Result 567 states and 792 transitions. [2023-11-06 22:15:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:06,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2023-11-06 22:15:06,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:06,401 INFO L225 Difference]: With dead ends: 567 [2023-11-06 22:15:06,401 INFO L226 Difference]: Without dead ends: 344 [2023-11-06 22:15:06,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:06,404 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 302 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 [2023-11-06 22:15:06,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 302 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:06,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-06 22:15:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2023-11-06 22:15:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 311 states have (on average 1.3408360128617363) internal successors, (417), 311 states have internal predecessors, (417), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:06,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 477 transitions. [2023-11-06 22:15:06,437 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 477 transitions. Word has length 135 [2023-11-06 22:15:06,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:06,438 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 477 transitions. [2023-11-06 22:15:06,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:06,438 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 477 transitions. [2023-11-06 22:15:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:15:06,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:06,440 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:06,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:06,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:15:06,647 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:06,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:06,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1790432922, now seen corresponding path program 1 times [2023-11-06 22:15:06,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:06,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112506437] [2023-11-06 22:15:06,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:06,679 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:06,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234455077] [2023-11-06 22:15:06,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:06,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:06,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:06,681 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:06,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:15:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:06,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-06 22:15:06,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:07,629 INFO L351 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 [2023-11-06 22:15:07,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:07,739 INFO L351 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 [2023-11-06 22:15:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:07,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:07,820 INFO L351 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 25 treesize of output 23 [2023-11-06 22:15:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-06 22:15:08,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:08,360 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1317 (Array Int Int)) (|~#unsigned_short_int_Array_0~0.offset| Int)) (let ((.cse1 (+ |~#unsigned_short_int_Array_0~0.offset| 4))) (let ((.cse0 (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base|) .cse1 (mod (select (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256))) |c_~#signed_char_Array_0~0.base| v_ArrVal_1317))) (= (mod (select (select .cse0 |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256) (mod (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) .cse1) 65536))))) is different from false [2023-11-06 22:15:08,410 INFO L322 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2023-11-06 22:15:08,410 INFO L351 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 42 [2023-11-06 22:15:08,422 INFO L322 Elim1Store]: treesize reduction 12, result has 7.7 percent of original size [2023-11-06 22:15:08,422 INFO L351 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 108 treesize of output 78 [2023-11-06 22:15:08,435 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:15:08,439 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 54 treesize of output 52 [2023-11-06 22:15:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:08,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:08,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112506437] [2023-11-06 22:15:08,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:08,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234455077] [2023-11-06 22:15:08,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234455077] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:08,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:08,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2023-11-06 22:15:08,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53717439] [2023-11-06 22:15:08,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:08,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:15:08,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:08,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:15:08,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=297, Unknown=27, NotChecked=36, Total=420 [2023-11-06 22:15:08,737 INFO L87 Difference]: Start difference. First operand 344 states and 477 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:10,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:10,045 INFO L93 Difference]: Finished difference Result 670 states and 926 transitions. [2023-11-06 22:15:10,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:15:10,046 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2023-11-06 22:15:10,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:10,049 INFO L225 Difference]: With dead ends: 670 [2023-11-06 22:15:10,049 INFO L226 Difference]: Without dead ends: 447 [2023-11-06 22:15:10,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=153, Invalid=754, Unknown=27, NotChecked=58, Total=992 [2023-11-06 22:15:10,052 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 360 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 276 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:10,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 922 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 680 Invalid, 0 Unknown, 276 Unchecked, 0.8s Time] [2023-11-06 22:15:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-06 22:15:10,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 336. [2023-11-06 22:15:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 303 states have (on average 1.3366336633663367) internal successors, (405), 303 states have internal predecessors, (405), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 465 transitions. [2023-11-06 22:15:10,086 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 465 transitions. Word has length 135 [2023-11-06 22:15:10,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:10,087 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 465 transitions. [2023-11-06 22:15:10,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 465 transitions. [2023-11-06 22:15:10,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:10,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:10,089 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:10,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:10,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:15:10,305 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:10,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:10,306 INFO L85 PathProgramCache]: Analyzing trace with hash -998284856, now seen corresponding path program 1 times [2023-11-06 22:15:10,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:10,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985997862] [2023-11-06 22:15:10,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:10,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:10,336 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:10,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [65619417] [2023-11-06 22:15:10,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:10,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:10,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:10,338 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:10,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:15:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:10,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 22:15:10,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:11,281 INFO L351 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 [2023-11-06 22:15:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:11,347 INFO L351 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 20 treesize of output 13 [2023-11-06 22:15:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:11,454 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:11,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:11,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985997862] [2023-11-06 22:15:11,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:11,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65619417] [2023-11-06 22:15:11,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65619417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:11,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:11,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:15:11,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525690331] [2023-11-06 22:15:11,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:11,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:15:11,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:11,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:15:11,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:15:11,457 INFO L87 Difference]: Start difference. First operand 336 states and 465 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:12,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:12,099 INFO L93 Difference]: Finished difference Result 834 states and 1159 transitions. [2023-11-06 22:15:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:15:12,100 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2023-11-06 22:15:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:12,103 INFO L225 Difference]: With dead ends: 834 [2023-11-06 22:15:12,104 INFO L226 Difference]: Without dead ends: 501 [2023-11-06 22:15:12,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:15:12,105 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 419 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:12,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 731 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2023-11-06 22:15:12,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 353. [2023-11-06 22:15:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 320 states have (on average 1.3375) internal successors, (428), 320 states have internal predecessors, (428), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:12,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 488 transitions. [2023-11-06 22:15:12,134 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 488 transitions. Word has length 136 [2023-11-06 22:15:12,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:12,135 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 488 transitions. [2023-11-06 22:15:12,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:12,135 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 488 transitions. [2023-11-06 22:15:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:12,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:12,138 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:12,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:12,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:15:12,345 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:12,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:12,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1391311866, now seen corresponding path program 1 times [2023-11-06 22:15:12,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:12,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886966928] [2023-11-06 22:15:12,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:12,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:12,378 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:12,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2023993067] [2023-11-06 22:15:12,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:12,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:12,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:12,380 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:12,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:15:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:12,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:15:12,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:13,323 INFO L351 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 [2023-11-06 22:15:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:13,447 INFO L351 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 27 [2023-11-06 22:15:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:13,551 INFO L351 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 36 treesize of output 27 [2023-11-06 22:15:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:13,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:13,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:13,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886966928] [2023-11-06 22:15:13,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:13,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023993067] [2023-11-06 22:15:13,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023993067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:13,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:13,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:13,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251760602] [2023-11-06 22:15:13,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:13,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:13,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:13,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:13,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:13,640 INFO L87 Difference]: Start difference. First operand 353 states and 488 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:14,195 INFO L93 Difference]: Finished difference Result 1043 states and 1435 transitions. [2023-11-06 22:15:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:15:14,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2023-11-06 22:15:14,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:14,200 INFO L225 Difference]: With dead ends: 1043 [2023-11-06 22:15:14,201 INFO L226 Difference]: Without dead ends: 693 [2023-11-06 22:15:14,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:15:14,202 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 422 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:14,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 510 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:14,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2023-11-06 22:15:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 386. [2023-11-06 22:15:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 353 states have (on average 1.348441926345609) internal successors, (476), 353 states have internal predecessors, (476), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:14,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 536 transitions. [2023-11-06 22:15:14,234 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 536 transitions. Word has length 136 [2023-11-06 22:15:14,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:14,237 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 536 transitions. [2023-11-06 22:15:14,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 536 transitions. [2023-11-06 22:15:14,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:14,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:14,239 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:14,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:14,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:15:14,448 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:14,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:14,448 INFO L85 PathProgramCache]: Analyzing trace with hash -779430138, now seen corresponding path program 1 times [2023-11-06 22:15:14,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:14,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112386849] [2023-11-06 22:15:14,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:14,476 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:14,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967211336] [2023-11-06 22:15:14,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:14,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:14,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:14,478 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:14,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:15:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:14,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:15:14,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:15,412 INFO L351 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 [2023-11-06 22:15:15,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:15,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:15,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:15,511 INFO L351 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 27 [2023-11-06 22:15:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:15,602 INFO L351 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 36 treesize of output 27 [2023-11-06 22:15:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:15,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:15,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:15,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112386849] [2023-11-06 22:15:15,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:15,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967211336] [2023-11-06 22:15:15,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967211336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:15,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:15,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:15,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995646343] [2023-11-06 22:15:15,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:15,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:15,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:15,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:15,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:15,677 INFO L87 Difference]: Start difference. First operand 386 states and 536 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:16,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:16,240 INFO L93 Difference]: Finished difference Result 1055 states and 1454 transitions. [2023-11-06 22:15:16,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:15:16,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2023-11-06 22:15:16,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:16,244 INFO L225 Difference]: With dead ends: 1055 [2023-11-06 22:15:16,245 INFO L226 Difference]: Without dead ends: 672 [2023-11-06 22:15:16,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:15:16,246 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 350 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:16,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 529 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:16,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2023-11-06 22:15:16,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 424. [2023-11-06 22:15:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 391 states have (on average 1.3427109974424551) internal successors, (525), 391 states have internal predecessors, (525), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:16,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 585 transitions. [2023-11-06 22:15:16,278 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 585 transitions. Word has length 136 [2023-11-06 22:15:16,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:16,279 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 585 transitions. [2023-11-06 22:15:16,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 585 transitions. [2023-11-06 22:15:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:16,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:16,281 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:16,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:16,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:16,488 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:16,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:16,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1172457148, now seen corresponding path program 1 times [2023-11-06 22:15:16,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:16,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784973345] [2023-11-06 22:15:16,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:16,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:16,527 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:16,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941836145] [2023-11-06 22:15:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:16,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:16,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:16,529 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:16,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:15:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:16,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 22:15:16,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:17,193 INFO L351 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 13 treesize of output 9 [2023-11-06 22:15:17,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:17,236 INFO L351 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 18 treesize of output 13 [2023-11-06 22:15:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:17,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:17,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:17,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784973345] [2023-11-06 22:15:17,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:17,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941836145] [2023-11-06 22:15:17,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941836145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:17,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:17,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:15:17,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339922677] [2023-11-06 22:15:17,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:17,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:15:17,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:17,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:15:17,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:15:17,330 INFO L87 Difference]: Start difference. First operand 424 states and 585 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:17,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:17,905 INFO L93 Difference]: Finished difference Result 986 states and 1365 transitions. [2023-11-06 22:15:17,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:15:17,906 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2023-11-06 22:15:17,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:17,910 INFO L225 Difference]: With dead ends: 986 [2023-11-06 22:15:17,910 INFO L226 Difference]: Without dead ends: 565 [2023-11-06 22:15:17,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:15:17,912 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 446 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:17,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 773 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:17,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2023-11-06 22:15:17,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 406. [2023-11-06 22:15:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 373 states have (on average 1.35656836461126) internal successors, (506), 373 states have internal predecessors, (506), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 566 transitions. [2023-11-06 22:15:17,944 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 566 transitions. Word has length 136 [2023-11-06 22:15:17,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:17,945 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 566 transitions. [2023-11-06 22:15:17,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 566 transitions. [2023-11-06 22:15:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:17,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:17,947 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:17,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:18,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:18,155 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:18,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:18,156 INFO L85 PathProgramCache]: Analyzing trace with hash 531916168, now seen corresponding path program 1 times [2023-11-06 22:15:18,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:18,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160978902] [2023-11-06 22:15:18,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:18,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:18,185 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:18,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [110410846] [2023-11-06 22:15:18,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:18,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:18,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:18,187 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:18,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:15:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:18,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:15:18,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:18,932 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:15:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:19,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:19,139 INFO L351 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 28 [2023-11-06 22:15:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:19,214 INFO L351 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 37 treesize of output 28 [2023-11-06 22:15:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:19,281 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:19,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:19,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160978902] [2023-11-06 22:15:19,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:19,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110410846] [2023-11-06 22:15:19,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110410846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:19,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:19,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:15:19,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131900154] [2023-11-06 22:15:19,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:19,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:19,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:19,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:19,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:19,284 INFO L87 Difference]: Start difference. First operand 406 states and 566 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:19,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:19,793 INFO L93 Difference]: Finished difference Result 912 states and 1276 transitions. [2023-11-06 22:15:19,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:19,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2023-11-06 22:15:19,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:19,797 INFO L225 Difference]: With dead ends: 912 [2023-11-06 22:15:19,798 INFO L226 Difference]: Without dead ends: 509 [2023-11-06 22:15:19,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:15:19,800 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 234 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:19,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 452 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:19,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2023-11-06 22:15:19,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 369. [2023-11-06 22:15:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 336 states have (on average 1.3601190476190477) internal successors, (457), 336 states have internal predecessors, (457), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 517 transitions. [2023-11-06 22:15:19,831 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 517 transitions. Word has length 136 [2023-11-06 22:15:19,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:19,831 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 517 transitions. [2023-11-06 22:15:19,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 517 transitions. [2023-11-06 22:15:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:19,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:19,833 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:19,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-06 22:15:20,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:20,040 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:20,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:20,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1143797896, now seen corresponding path program 1 times [2023-11-06 22:15:20,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:20,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340385690] [2023-11-06 22:15:20,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:20,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:20,067 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:20,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [615425764] [2023-11-06 22:15:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:20,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:20,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:20,068 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:20,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:15:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:20,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-06 22:15:20,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:20,853 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:15:21,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:21,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:21,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:21,041 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2023-11-06 22:15:21,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:21,118 INFO L351 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 35 treesize of output 26 [2023-11-06 22:15:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:21,205 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:21,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340385690] [2023-11-06 22:15:21,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615425764] [2023-11-06 22:15:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615425764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:21,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:21,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:15:21,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752958292] [2023-11-06 22:15:21,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:21,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:21,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:21,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:21,207 INFO L87 Difference]: Start difference. First operand 369 states and 517 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:21,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:21,678 INFO L93 Difference]: Finished difference Result 834 states and 1170 transitions. [2023-11-06 22:15:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:21,679 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2023-11-06 22:15:21,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:21,685 INFO L225 Difference]: With dead ends: 834 [2023-11-06 22:15:21,685 INFO L226 Difference]: Without dead ends: 468 [2023-11-06 22:15:21,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:15:21,689 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 200 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:21,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 486 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:15:21,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2023-11-06 22:15:21,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 337. [2023-11-06 22:15:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 304 states have (on average 1.3585526315789473) internal successors, (413), 304 states have internal predecessors, (413), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 473 transitions. [2023-11-06 22:15:21,719 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 473 transitions. Word has length 136 [2023-11-06 22:15:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:21,720 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 473 transitions. [2023-11-06 22:15:21,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 473 transitions. [2023-11-06 22:15:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:21,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:21,726 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:21,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:21,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:21,938 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:21,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:21,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1407609052, now seen corresponding path program 1 times [2023-11-06 22:15:21,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:21,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380703765] [2023-11-06 22:15:21,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:21,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:21,972 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:21,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1885585345] [2023-11-06 22:15:21,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:21,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:21,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:21,974 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:21,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:15:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:22,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:15:22,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:22,331 INFO L351 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 [2023-11-06 22:15:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:22,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:22,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:22,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380703765] [2023-11-06 22:15:22,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:22,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885585345] [2023-11-06 22:15:22,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885585345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:22,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:22,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:15:22,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030385404] [2023-11-06 22:15:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:22,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:15:22,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:22,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:15:22,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:22,348 INFO L87 Difference]: Start difference. First operand 337 states and 473 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:22,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:22,572 INFO L93 Difference]: Finished difference Result 643 states and 899 transitions. [2023-11-06 22:15:22,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:22,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2023-11-06 22:15:22,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:22,576 INFO L225 Difference]: With dead ends: 643 [2023-11-06 22:15:22,576 INFO L226 Difference]: Without dead ends: 420 [2023-11-06 22:15:22,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:22,577 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 97 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:22,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 620 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:22,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-11-06 22:15:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 337. [2023-11-06 22:15:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 304 states have (on average 1.3453947368421053) internal successors, (409), 304 states have internal predecessors, (409), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 469 transitions. [2023-11-06 22:15:22,605 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 469 transitions. Word has length 136 [2023-11-06 22:15:22,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:22,606 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 469 transitions. [2023-11-06 22:15:22,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 469 transitions. [2023-11-06 22:15:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:22,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:22,607 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:22,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:22,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:22,814 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:22,814 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:22,814 INFO L85 PathProgramCache]: Analyzing trace with hash -586535654, now seen corresponding path program 1 times [2023-11-06 22:15:22,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:22,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074942169] [2023-11-06 22:15:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:22,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:22,839 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:22,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247107211] [2023-11-06 22:15:22,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:22,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:22,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:22,841 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:22,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:15:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:23,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:15:23,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:23,474 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:15:23,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:23,525 INFO L351 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 20 treesize of output 15 [2023-11-06 22:15:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:23,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:23,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:23,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074942169] [2023-11-06 22:15:23,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:23,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247107211] [2023-11-06 22:15:23,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247107211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:23,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:23,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:23,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853689363] [2023-11-06 22:15:23,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:23,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:23,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:23,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:23,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:23,576 INFO L87 Difference]: Start difference. First operand 337 states and 469 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:23,916 INFO L93 Difference]: Finished difference Result 607 states and 848 transitions. [2023-11-06 22:15:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:15:23,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2023-11-06 22:15:23,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:23,919 INFO L225 Difference]: With dead ends: 607 [2023-11-06 22:15:23,919 INFO L226 Difference]: Without dead ends: 384 [2023-11-06 22:15:23,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:15:23,920 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 253 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:23,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 523 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:15:23,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2023-11-06 22:15:23,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 305. [2023-11-06 22:15:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 272 states have (on average 1.3308823529411764) internal successors, (362), 272 states have internal predecessors, (362), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 422 transitions. [2023-11-06 22:15:23,947 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 422 transitions. Word has length 136 [2023-11-06 22:15:23,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:23,948 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 422 transitions. [2023-11-06 22:15:23,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 422 transitions. [2023-11-06 22:15:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:15:23,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:23,950 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:23,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:24,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:24,157 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:24,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:24,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1873235617, now seen corresponding path program 1 times [2023-11-06 22:15:24,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:24,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047515842] [2023-11-06 22:15:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:24,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:24,191 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:24,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152554244] [2023-11-06 22:15:24,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:24,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:24,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:24,193 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:24,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 22:15:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:24,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-06 22:15:24,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:25,137 INFO L351 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 [2023-11-06 22:15:25,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:25,200 INFO L351 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 [2023-11-06 22:15:25,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:25,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:25,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:25,255 INFO L351 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 25 treesize of output 23 [2023-11-06 22:15:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:25,326 INFO L351 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 32 treesize of output 23 [2023-11-06 22:15:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-06 22:15:25,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:25,592 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2188 Int) (v_ArrVal_2186 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| v_ArrVal_2186))) (let ((.cse0 (select .cse1 |c_~#unsigned_short_int_Array_0~0.base|))) (= (mod (select .cse0 (+ |c_~#unsigned_short_int_Array_0~0.offset| 4)) 65536) (mod (select (select (store .cse1 |c_~#unsigned_short_int_Array_0~0.base| (store .cse0 |c_~#unsigned_short_int_Array_0~0.offset| v_ArrVal_2188)) |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256))))) is different from false [2023-11-06 22:15:25,611 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2188 Int) (v_ArrVal_2186 (Array Int Int)) (|~#unsigned_short_int_Array_0~0.offset| Int)) (let ((.cse1 (+ |~#unsigned_short_int_Array_0~0.offset| 4))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base|) .cse1 |c_ULTIMATE.start_step_#t~ite15#1|)) |c_~#signed_char_Array_0~0.base| v_ArrVal_2186) |c_~#unsigned_short_int_Array_0~0.base|))) (= (mod (select .cse0 .cse1) 65536) (mod (select (select (store (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| v_ArrVal_2186) |c_~#unsigned_short_int_Array_0~0.base| (store .cse0 |~#unsigned_short_int_Array_0~0.offset| v_ArrVal_2188)) |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256))))) is different from false [2023-11-06 22:15:25,627 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2188 Int) (v_ArrVal_2186 (Array Int Int)) (|~#unsigned_short_int_Array_0~0.offset| Int)) (let ((.cse1 (+ |~#unsigned_short_int_Array_0~0.offset| 4))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base|) .cse1 (mod (select (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256))) |c_~#signed_char_Array_0~0.base| v_ArrVal_2186) |c_~#unsigned_short_int_Array_0~0.base|))) (= (mod (select (select (store (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| v_ArrVal_2186) |c_~#unsigned_short_int_Array_0~0.base| (store .cse0 |~#unsigned_short_int_Array_0~0.offset| v_ArrVal_2188)) |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256) (mod (select .cse0 .cse1) 65536))))) is different from false [2023-11-06 22:15:25,678 INFO L322 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2023-11-06 22:15:25,678 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 75 [2023-11-06 22:15:25,708 INFO L322 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-11-06 22:15:25,709 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 80 [2023-11-06 22:15:25,716 INFO L351 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 350 treesize of output 330 [2023-11-06 22:15:25,746 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:15:25,747 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 182 treesize of output 160 [2023-11-06 22:15:25,781 INFO L351 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 6 treesize of output 4 [2023-11-06 22:15:25,810 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:15:25,811 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 98 treesize of output 98 [2023-11-06 22:15:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:26,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:26,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047515842] [2023-11-06 22:15:26,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:26,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152554244] [2023-11-06 22:15:26,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152554244] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:26,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:26,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 22 [2023-11-06 22:15:26,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146927549] [2023-11-06 22:15:26,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:26,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:15:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:26,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:15:26,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=288, Unknown=3, NotChecked=108, Total=462 [2023-11-06 22:15:26,343 INFO L87 Difference]: Start difference. First operand 305 states and 422 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:27,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:27,459 INFO L93 Difference]: Finished difference Result 565 states and 770 transitions. [2023-11-06 22:15:27,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:15:27,459 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2023-11-06 22:15:27,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:27,462 INFO L225 Difference]: With dead ends: 565 [2023-11-06 22:15:27,462 INFO L226 Difference]: Without dead ends: 374 [2023-11-06 22:15:27,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 252 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=148, Invalid=673, Unknown=3, NotChecked=168, Total=992 [2023-11-06 22:15:27,463 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 308 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 707 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:27,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 693 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 453 Invalid, 0 Unknown, 707 Unchecked, 0.7s Time] [2023-11-06 22:15:27,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-11-06 22:15:27,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 291. [2023-11-06 22:15:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 258 states have (on average 1.321705426356589) internal successors, (341), 258 states have internal predecessors, (341), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 401 transitions. [2023-11-06 22:15:27,529 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 401 transitions. Word has length 137 [2023-11-06 22:15:27,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:27,531 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 401 transitions. [2023-11-06 22:15:27,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:27,531 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 401 transitions. [2023-11-06 22:15:27,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:15:27,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:27,533 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:27,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:27,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:27,740 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:27,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:27,740 INFO L85 PathProgramCache]: Analyzing trace with hash -459240300, now seen corresponding path program 1 times [2023-11-06 22:15:27,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:27,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142727368] [2023-11-06 22:15:27,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:27,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:27,766 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:27,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106256529] [2023-11-06 22:15:27,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:27,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:27,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:27,768 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:27,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-06 22:15:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:28,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:15:28,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:28,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:28,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:28,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142727368] [2023-11-06 22:15:28,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:28,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106256529] [2023-11-06 22:15:28,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106256529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:28,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:28,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:28,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286574357] [2023-11-06 22:15:28,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:28,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:28,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:28,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:28,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:28,125 INFO L87 Difference]: Start difference. First operand 291 states and 401 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:28,195 INFO L93 Difference]: Finished difference Result 595 states and 821 transitions. [2023-11-06 22:15:28,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:15:28,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 139 [2023-11-06 22:15:28,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:28,198 INFO L225 Difference]: With dead ends: 595 [2023-11-06 22:15:28,198 INFO L226 Difference]: Without dead ends: 307 [2023-11-06 22:15:28,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:15:28,199 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 47 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:28,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 712 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-06 22:15:28,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2023-11-06 22:15:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 266 states have (on average 1.3120300751879699) internal successors, (349), 266 states have internal predecessors, (349), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 409 transitions. [2023-11-06 22:15:28,224 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 409 transitions. Word has length 139 [2023-11-06 22:15:28,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:28,224 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 409 transitions. [2023-11-06 22:15:28,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 409 transitions. [2023-11-06 22:15:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:15:28,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:28,225 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:28,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:28,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:28,426 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:28,426 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:28,426 INFO L85 PathProgramCache]: Analyzing trace with hash -570344606, now seen corresponding path program 1 times [2023-11-06 22:15:28,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:28,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063622900] [2023-11-06 22:15:28,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:28,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:28,453 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:28,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [948574571] [2023-11-06 22:15:28,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:28,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:28,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:28,455 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:28,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-06 22:15:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:28,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:15:28,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:28,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:28,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:28,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063622900] [2023-11-06 22:15:28,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:28,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948574571] [2023-11-06 22:15:28,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948574571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:28,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:28,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:15:28,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140817186] [2023-11-06 22:15:28,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:28,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:28,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:28,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:28,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:28,801 INFO L87 Difference]: Start difference. First operand 299 states and 409 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:28,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:28,828 INFO L93 Difference]: Finished difference Result 591 states and 809 transitions. [2023-11-06 22:15:28,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:28,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 139 [2023-11-06 22:15:28,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:28,831 INFO L225 Difference]: With dead ends: 591 [2023-11-06 22:15:28,831 INFO L226 Difference]: Without dead ends: 295 [2023-11-06 22:15:28,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:28,833 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 16 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:28,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 273 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:28,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-06 22:15:28,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2023-11-06 22:15:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 262 states have (on average 1.3015267175572518) internal successors, (341), 262 states have internal predecessors, (341), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 401 transitions. [2023-11-06 22:15:28,860 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 401 transitions. Word has length 139 [2023-11-06 22:15:28,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:28,860 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 401 transitions. [2023-11-06 22:15:28,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 401 transitions. [2023-11-06 22:15:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:15:28,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:28,862 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:28,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:29,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:29,069 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:29,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:29,070 INFO L85 PathProgramCache]: Analyzing trace with hash -335466865, now seen corresponding path program 1 times [2023-11-06 22:15:29,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:29,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069769726] [2023-11-06 22:15:29,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:29,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:29,102 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:29,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378970715] [2023-11-06 22:15:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:29,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:29,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:29,103 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:29,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-06 22:15:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:29,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:15:29,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:29,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:29,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:29,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069769726] [2023-11-06 22:15:29,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:29,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378970715] [2023-11-06 22:15:29,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378970715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:29,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:29,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:15:29,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95365948] [2023-11-06 22:15:29,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:29,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:15:29,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:29,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:15:29,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:29,514 INFO L87 Difference]: Start difference. First operand 295 states and 401 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:29,694 INFO L93 Difference]: Finished difference Result 674 states and 902 transitions. [2023-11-06 22:15:29,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:15:29,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 141 [2023-11-06 22:15:29,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:29,697 INFO L225 Difference]: With dead ends: 674 [2023-11-06 22:15:29,698 INFO L226 Difference]: Without dead ends: 382 [2023-11-06 22:15:29,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:29,699 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 31 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:29,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 465 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:15:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-11-06 22:15:29,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 332. [2023-11-06 22:15:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 299 states have (on average 1.2642140468227425) internal successors, (378), 299 states have internal predecessors, (378), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 438 transitions. [2023-11-06 22:15:29,727 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 438 transitions. Word has length 141 [2023-11-06 22:15:29,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:29,727 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 438 transitions. [2023-11-06 22:15:29,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 438 transitions. [2023-11-06 22:15:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:15:29,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:29,729 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:29,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:29,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:29,936 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:29,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:29,936 INFO L85 PathProgramCache]: Analyzing trace with hash -922272879, now seen corresponding path program 1 times [2023-11-06 22:15:29,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:29,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499132076] [2023-11-06 22:15:29,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:29,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:29,985 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:29,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718957540] [2023-11-06 22:15:29,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:29,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:29,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:29,987 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:30,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-06 22:15:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:30,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:15:30,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:30,450 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:15:30,451 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2023-11-06 22:15:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:30,499 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:30,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:30,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499132076] [2023-11-06 22:15:30,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:30,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718957540] [2023-11-06 22:15:30,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718957540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:30,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:30,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:30,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896702190] [2023-11-06 22:15:30,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:30,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:30,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:30,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:30,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:30,501 INFO L87 Difference]: Start difference. First operand 332 states and 438 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:30,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:30,739 INFO L93 Difference]: Finished difference Result 722 states and 949 transitions. [2023-11-06 22:15:30,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:15:30,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 141 [2023-11-06 22:15:30,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:30,743 INFO L225 Difference]: With dead ends: 722 [2023-11-06 22:15:30,743 INFO L226 Difference]: Without dead ends: 393 [2023-11-06 22:15:30,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:15:30,745 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 49 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:30,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 565 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:30,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-11-06 22:15:30,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 357. [2023-11-06 22:15:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 324 states have (on average 1.2561728395061729) internal successors, (407), 324 states have internal predecessors, (407), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 467 transitions. [2023-11-06 22:15:30,772 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 467 transitions. Word has length 141 [2023-11-06 22:15:30,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:30,772 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 467 transitions. [2023-11-06 22:15:30,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 467 transitions. [2023-11-06 22:15:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:15:30,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:30,774 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:30,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:30,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-06 22:15:30,981 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:30,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:30,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1377151196, now seen corresponding path program 1 times [2023-11-06 22:15:30,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:30,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486384260] [2023-11-06 22:15:30,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:30,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:31,017 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:31,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052286882] [2023-11-06 22:15:31,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:31,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:31,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:31,019 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:31,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-06 22:15:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:31,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:15:31,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:31,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:31,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:31,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486384260] [2023-11-06 22:15:31,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:31,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052286882] [2023-11-06 22:15:31,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052286882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:31,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:31,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:15:31,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125347717] [2023-11-06 22:15:31,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:31,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:31,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:31,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:31,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:15:31,398 INFO L87 Difference]: Start difference. First operand 357 states and 467 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:31,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:31,474 INFO L93 Difference]: Finished difference Result 574 states and 774 transitions. [2023-11-06 22:15:31,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:15:31,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 142 [2023-11-06 22:15:31,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:31,479 INFO L225 Difference]: With dead ends: 574 [2023-11-06 22:15:31,479 INFO L226 Difference]: Without dead ends: 572 [2023-11-06 22:15:31,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:15:31,480 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 82 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:31,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 1136 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:31,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-11-06 22:15:31,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 365. [2023-11-06 22:15:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 332 states have (on average 1.25) internal successors, (415), 332 states have internal predecessors, (415), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 475 transitions. [2023-11-06 22:15:31,518 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 475 transitions. Word has length 142 [2023-11-06 22:15:31,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:31,519 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 475 transitions. [2023-11-06 22:15:31,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 475 transitions. [2023-11-06 22:15:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:15:31,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:31,522 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:31,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:31,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:31,729 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:31,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:31,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1319892894, now seen corresponding path program 1 times [2023-11-06 22:15:31,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:31,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390897219] [2023-11-06 22:15:31,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:31,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:31,756 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:31,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870114587] [2023-11-06 22:15:31,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:31,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:31,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:31,758 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:31,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-06 22:15:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:32,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 22:15:32,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:32,522 INFO L351 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 [2023-11-06 22:15:32,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:32,558 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-06 22:15:32,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:32,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:32,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390897219] [2023-11-06 22:15:32,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:32,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870114587] [2023-11-06 22:15:32,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870114587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:32,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:32,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:15:32,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893238211] [2023-11-06 22:15:32,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:32,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:15:32,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:32,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:15:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:15:32,694 INFO L87 Difference]: Start difference. First operand 365 states and 475 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:33,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:33,534 INFO L93 Difference]: Finished difference Result 728 states and 958 transitions. [2023-11-06 22:15:33,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:15:33,535 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 142 [2023-11-06 22:15:33,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:33,539 INFO L225 Difference]: With dead ends: 728 [2023-11-06 22:15:33,539 INFO L226 Difference]: Without dead ends: 726 [2023-11-06 22:15:33,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:15:33,541 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 263 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:33,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1259 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:15:33,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2023-11-06 22:15:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 445. [2023-11-06 22:15:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 412 states have (on average 1.2305825242718447) internal successors, (507), 412 states have internal predecessors, (507), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:15:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 567 transitions. [2023-11-06 22:15:33,581 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 567 transitions. Word has length 142 [2023-11-06 22:15:33,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:33,581 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 567 transitions. [2023-11-06 22:15:33,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 22:15:33,582 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 567 transitions. [2023-11-06 22:15:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:15:33,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:33,583 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:33,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:33,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:33,791 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:33,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:33,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1247506336, now seen corresponding path program 1 times [2023-11-06 22:15:33,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:33,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961387559] [2023-11-06 22:15:33,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:33,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:33,821 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:33,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [353388164] [2023-11-06 22:15:33,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:33,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:33,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:33,823 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:33,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-06 22:15:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:34,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-06 22:15:34,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:34,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:34,288 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:34,441 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:34,548 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:34,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:34,646 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:34,751 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:34,833 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:34,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:34,945 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:35,047 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:15:35,150 INFO L351 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 16 treesize of output 11 [2023-11-06 22:15:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 200 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-11-06 22:15:35,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:35,811 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2807 (Array Int Int)) (|~#unsigned_short_int_Array_0~0.offset| Int)) (let ((.cse0 (mod (select v_ArrVal_2807 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) 65536))) (or (= 0 .cse0) (< (div 10 .cse0) (+ (mod (select (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_2807) |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256) 1))))) is different from false [2023-11-06 22:15:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961387559] [2023-11-06 22:15:35,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353388164] [2023-11-06 22:15:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353388164] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:35,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:35,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-06 22:15:35,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704541905] [2023-11-06 22:15:35,824 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:15:35,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:15:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:35,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:15:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=183, Unknown=1, NotChecked=28, Total=272 [2023-11-06 22:15:35,825 INFO L87 Difference]: Start difference. First operand 445 states and 567 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-06 22:15:36,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:36,846 INFO L93 Difference]: Finished difference Result 1204 states and 1543 transitions. [2023-11-06 22:15:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:15:36,847 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (15), 2 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 142 [2023-11-06 22:15:36,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:36,851 INFO L225 Difference]: With dead ends: 1204 [2023-11-06 22:15:36,851 INFO L226 Difference]: Without dead ends: 762 [2023-11-06 22:15:36,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=470, Unknown=1, NotChecked=48, Total=702 [2023-11-06 22:15:36,853 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 213 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:36,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 674 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:15:36,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2023-11-06 22:15:36,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 752. [2023-11-06 22:15:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 685 states have (on average 1.2364963503649635) internal successors, (847), 685 states have internal predecessors, (847), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-06 22:15:36,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 967 transitions. [2023-11-06 22:15:36,930 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 967 transitions. Word has length 142 [2023-11-06 22:15:36,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:36,931 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 967 transitions. [2023-11-06 22:15:36,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-06 22:15:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 967 transitions. [2023-11-06 22:15:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:15:36,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:36,933 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:36,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:37,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-11-06 22:15:37,141 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:37,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:37,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1256111460, now seen corresponding path program 1 times [2023-11-06 22:15:37,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:37,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567325904] [2023-11-06 22:15:37,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:37,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:37,168 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:37,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1462664003] [2023-11-06 22:15:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:37,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:37,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:37,170 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:37,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-06 22:15:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:15:37,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:15:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:15:37,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:15:37,925 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:15:37,926 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:15:37,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-11-06 22:15:38,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2023-11-06 22:15:38,140 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:38,144 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:15:38,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:15:38 BoogieIcfgContainer [2023-11-06 22:15:38,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:15:38,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:15:38,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:15:38,251 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:15:38,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:45" (3/4) ... [2023-11-06 22:15:38,254 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:15:38,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:15:38,255 INFO L158 Benchmark]: Toolchain (without parser) took 54561.31ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 160.1MB in the beginning and 169.1MB in the end (delta: -8.9MB). Peak memory consumption was 197.0MB. Max. memory is 16.1GB. [2023-11-06 22:15:38,256 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:15:38,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.69ms. Allocated memory is still 188.7MB. Free memory was 159.9MB in the beginning and 148.0MB in the end (delta: 11.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-06 22:15:38,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.40ms. Allocated memory is still 188.7MB. Free memory was 148.0MB in the beginning and 145.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:15:38,264 INFO L158 Benchmark]: Boogie Preprocessor took 64.77ms. Allocated memory is still 188.7MB. Free memory was 145.0MB in the beginning and 141.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:15:38,265 INFO L158 Benchmark]: RCFGBuilder took 875.57ms. Allocated memory is still 188.7MB. Free memory was 141.7MB in the beginning and 131.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:15:38,266 INFO L158 Benchmark]: TraceAbstraction took 53126.36ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 131.1MB in the beginning and 169.1MB in the end (delta: -38.0MB). Peak memory consumption was 169.4MB. Max. memory is 16.1GB. [2023-11-06 22:15:38,266 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 394.3MB. Free memory is still 169.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:15:38,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.69ms. Allocated memory is still 188.7MB. Free memory was 159.9MB in the beginning and 148.0MB in the end (delta: 11.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.40ms. Allocated memory is still 188.7MB. Free memory was 148.0MB in the beginning and 145.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.77ms. Allocated memory is still 188.7MB. Free memory was 145.0MB in the beginning and 141.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 875.57ms. Allocated memory is still 188.7MB. Free memory was 141.7MB in the beginning and 131.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 53126.36ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 131.1MB in the beginning and 169.1MB in the end (delta: -38.0MB). Peak memory consumption was 169.4MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 394.3MB. Free memory is still 169.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] double double_Array_0[2][2] = { {128.4, 3.8}, {50.2, 25.1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {64, 4}, {0, 16} }; [L31-L33] unsigned char unsigned_char_Array_0[1] = { 16 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 2, 16, 25 }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L62] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L63] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L63] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L63] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] double_Array_0[0][0] = __VERIFIER_nondet_double() [L66] EXPR double_Array_0[0][0] [L66] EXPR double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F [L66] EXPR double_Array_0[0][0] [L66] EXPR double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0][0]=6, double_Array_0[0][0]=6, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] EXPR (double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [(double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F=1, double_Array_0[0][0]=6, double_Array_0[0][0]=6, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] CALL assume_abort_if_not((double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] RET assume_abort_if_not((double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [(double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0][0] >= 0.0F && double_Array_0[0][0] <= -1.0e-20F=1, double_Array_0[0][0]=6, double_Array_0[0][0]=6, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] double_Array_0[1][0] = __VERIFIER_nondet_double() [L68] EXPR double_Array_0[1][0] [L68] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F [L68] EXPR double_Array_0[1][0] [L68] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[1][0]=251/5, double_Array_0[1][0]=251/5, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [(double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F=1, double_Array_0[1][0]=251/5, double_Array_0[1][0]=251/5, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] CALL assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] RET assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [(double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F=1, double_Array_0[1][0]=251/5, double_Array_0[1][0]=251/5, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] double_Array_0[0][1] = __VERIFIER_nondet_double() [L70] EXPR double_Array_0[0][1] [L70] EXPR double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F [L70] EXPR double_Array_0[0][1] [L70] EXPR double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0][1]=19/5, double_Array_0[0][1]=19/5, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR (double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [(double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F=1, double_Array_0[0][1]=19/5, double_Array_0[0][1]=19/5, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not((double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] RET assume_abort_if_not((double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [(double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0][1] >= -922337.2036854776000e+13F && double_Array_0[0][1] <= -1.0e-20F=1, double_Array_0[0][1]=19/5, double_Array_0[0][1]=19/5, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] double_Array_0[1][1] = __VERIFIER_nondet_double() [L72] EXPR double_Array_0[1][1] [L72] EXPR double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F [L72] EXPR double_Array_0[1][1] [L72] EXPR double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[1][1]=251/10, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] EXPR (double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [(double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F=1, double_Array_0[1][1]=251/10, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] RET assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [(double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[1][1] >= -922337.2036854776000e+13F && double_Array_0[1][1] <= -1.0e-20F=1, double_Array_0[1][1]=251/10, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L74] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] RET assume_abort_if_not(signed_char_Array_0[0][0] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L77] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[1][0]=31, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not(signed_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[1][0]=31, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[1][0]=31, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[1][0]=31, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L80] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][1]=5, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][1]=5, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][1]=5, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][1]=5, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] unsigned_short_int_Array_0[1] = __VERIFIER_nondet_ushort() [L83] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538] [L84] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538] [L85] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538] [L98] RET updateVariables() [L99] CALL step() [L40] EXPR double_Array_0[0][0] [L40] EXPR double_Array_0[1][0] [L40] EXPR double_Array_0[0][1] [L40] EXPR double_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0][0]=6, double_Array_0[0][1]=19/5, double_Array_0[1][0]=251/5, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L40] EXPR ((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]) VAL [((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1])=15/8, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0][0]=6, double_Array_0[0][1]=19/5, double_Array_0[1][0]=251/5, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L40] COND FALSE !(((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) [L43] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L46] EXPR unsigned_short_int_Array_0[2] [L46] (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1])) [L46] EXPR unsigned_char_Array_0[0] [L46] EXPR unsigned_short_int_Array_0[1] [L46] (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1])) VAL [(unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L46] COND FALSE !((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) [L49] signed_char_Array_0[1][1] = 5 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR unsigned_char_Array_0[0] [L51] unsigned char stepLocal_1 = unsigned_char_Array_0[0]; [L52] EXPR BOOL_unsigned_char_Array_0[0] [L52] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0]; [L53] stepLocal_0 || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0]) [L53] EXPR unsigned_char_Array_0[0] [L53] EXPR unsigned_char_Array_0[0] [L53] stepLocal_0 || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, stepLocal_0 || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, stepLocal_0=0, stepLocal_1=16, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}] [L53] COND TRUE stepLocal_0 || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0]) [L54] EXPR signed_char_Array_0[0][0] [L54] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, stepLocal_0=0, stepLocal_1=16, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L54] COND FALSE !(stepLocal_1 < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))) [L90] EXPR unsigned_short_int_Array_0[2] [L90] EXPR (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1])) [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR unsigned_short_int_Array_0[1] [L90] EXPR (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1])) VAL [(BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)) [L90] EXPR signed_char_Array_0[1][1] [L90] EXPR ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)) VAL [((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))) VAL [((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))) [L90] EXPR BOOL_unsigned_char_Array_0[0] [L90] EXPR BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0]) [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0]) VAL [((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))) [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR signed_char_Array_0[0][0] [L90] EXPR signed_char_Array_0[1][0] VAL [((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1 VAL [((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))) VAL [((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))=1, (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))) VAL [((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))=1, (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) [L90] EXPR double_Array_0[0][0] [L90] EXPR double_Array_0[1][0] [L90] EXPR double_Array_0[0][1] [L90] EXPR double_Array_0[1][1] VAL [(((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1)=1, ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))=1, (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, double_Array_0[0][0]=6, double_Array_0[0][1]=19/5, double_Array_0[1][0]=251/5, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR ((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]) VAL [(((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1)=1, ((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1])=15/8, ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))=1, (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, double_Array_0[0][0]=6, double_Array_0[0][1]=19/5, double_Array_0[1][0]=251/5, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR (((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1 [L90] EXPR unsigned_char_Array_0[0] [L90] EXPR (((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1 VAL [(((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1)=1, (((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1=0, ((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1])=15/8, ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))=1, (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, double_Array_0[0][0]=6, double_Array_0[0][1]=19/5, double_Array_0[1][0]=251/5, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90] EXPR (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) VAL [(((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1)=0, (((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1=0, ((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1])=15/8, ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))=1, ((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5))=1, (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))=1, (BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0])))))=1, (unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1=1, (unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1=1, BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])=1, BOOL_unsigned_char_Array_0[0]=256, BOOL_unsigned_char_Array_0[0]=256, double_Array_0={5:0}, double_Array_0[0][0]=6, double_Array_0[0][1]=19/5, double_Array_0[1][0]=251/5, double_Array_0[1][1]=251/10, isInitial=1, signed_char_Array_0={6:0}, signed_char_Array_0[0][0]=63, signed_char_Array_0[1][0]=31, signed_char_Array_0[1][1]=5, unsigned_char_Array_0={7:0}, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_char_Array_0[0]=16, unsigned_short_int_Array_0={8:0}, unsigned_short_int_Array_0[1]=65538, unsigned_short_int_Array_0[2]=25] [L90-L91] return (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[2] == ((unsigned short int) ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[0])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[0]))))) : 1) && (((unsigned_short_int_Array_0[2] == 16) || (unsigned_char_Array_0[0] < (10 / unsigned_short_int_Array_0[1]))) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) 5)))) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_char_Array_0[0] >= unsigned_char_Array_0[0])) ? ((unsigned_char_Array_0[0] < ((signed_char_Array_0[0][0] - signed_char_Array_0[1][0]) - 16)) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[1][0]) > (32)) ? (signed_char_Array_0[1][0]) : (32))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((signed_char_Array_0[0][0]) < (unsigned_char_Array_0[0])) ? (signed_char_Array_0[0][0]) : (unsigned_char_Array_0[0]))))))) && ((((double_Array_0[0][0] - double_Array_0[1][0]) + double_Array_0[0][1]) <= (256.625 * ((((1.875) > (double_Array_0[1][1])) ? (1.875) : (double_Array_0[1][1]))))) ? (unsigned_char_Array_0[0] == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.9s, OverallIterations: 33, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6509 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6492 mSDsluCounter, 18983 SdHoareTripleChecker+Invalid, 9.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 983 IncrementalHoareTripleChecker+Unchecked, 14191 mSDsCounter, 234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9219 IncrementalHoareTripleChecker+Invalid, 10436 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 234 mSolverCounterUnsat, 4792 mSDtfsCounter, 9219 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4499 GetRequests, 4187 SyntacticMatches, 3 SemanticMatches, 309 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 773 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=752occurred in iteration=32, InterpolantAutomatonStates: 264, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 32 MinimizatonAttempts, 3353 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 4495 NumberOfCodeBlocks, 4495 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4591 ConstructedInterpolants, 23 QuantifiedInterpolants, 31053 SizeOfPredicates, 258 NumberOfNonLiveVariables, 13541 ConjunctsInSsa, 504 ConjunctsInUnsatCore, 34 InterpolantComputations, 31 PerfectInterpolantSequences, 13996/14280 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 [2023-11-06 22:15:38,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 e6d92a25ae36f7e711770b5cc6315f0210bbc7c0c024aaddffcd3216b7942769 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:15:40,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:15:40,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:15:40,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:15:40,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:15:40,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:15:40,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:15:40,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:15:40,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:15:40,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:15:40,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:15:40,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:15:40,877 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:15:40,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:15:40,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:15:40,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:15:40,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:15:40,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:15:40,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:15:40,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:15:40,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:15:40,890 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:15:40,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:15:40,890 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:15:40,891 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:15:40,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:15:40,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:15:40,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:15:40,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:15:40,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:15:40,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:40,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:15:40,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:15:40,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:15:40,896 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:15:40,896 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:15:40,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:15:40,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:15:40,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:15:40,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:15:40,898 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:15:40,899 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:15:40,899 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_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d92a25ae36f7e711770b5cc6315f0210bbc7c0c024aaddffcd3216b7942769 [2023-11-06 22:15:41,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:15:41,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:15:41,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:15:41,384 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:15:41,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:15:41,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i [2023-11-06 22:15:44,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:15:44,884 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:15:44,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i [2023-11-06 22:15:44,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/data/5644bae93/1acf50df36d0442790ffe13821405ab4/FLAGf76b83d44 [2023-11-06 22:15:44,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/data/5644bae93/1acf50df36d0442790ffe13821405ab4 [2023-11-06 22:15:44,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:15:44,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:15:44,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:44,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:15:44,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:15:44,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:15:44" (1/1) ... [2023-11-06 22:15:44,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfe73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:44, skipping insertion in model container [2023-11-06 22:15:44,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:15:44" (1/1) ... [2023-11-06 22:15:44,952 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:15:45,104 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_2f123226-ed37-4f14-a1bb-d4091c4786c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i[916,929] [2023-11-06 22:15:45,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:45,189 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:15:45,200 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_2f123226-ed37-4f14-a1bb-d4091c4786c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-13.i[916,929] [2023-11-06 22:15:45,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:45,324 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:15:45,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45 WrapperNode [2023-11-06 22:15:45,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:45,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:45,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:15:45,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:15:45,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,442 INFO L138 Inliner]: procedures = 33, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2023-11-06 22:15:45,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:45,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:15:45,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:15:45,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:15:45,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:15:45,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:15:45,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:15:45,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:15:45,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (1/1) ... [2023-11-06 22:15:45,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:45,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:45,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:15:45,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:15:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:15:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 22:15:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 22:15:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 22:15:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-06 22:15:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:15:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-06 22:15:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-06 22:15:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:15:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:15:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:15:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:15:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 22:15:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-06 22:15:45,865 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:15:45,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:15:54,646 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:15:54,654 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:15:54,654 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:15:54,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:54 BoogieIcfgContainer [2023-11-06 22:15:54,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:15:54,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:15:54,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:15:54,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:15:54,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:15:44" (1/3) ... [2023-11-06 22:15:54,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a860c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:54, skipping insertion in model container [2023-11-06 22:15:54,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:45" (2/3) ... [2023-11-06 22:15:54,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a860c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:54, skipping insertion in model container [2023-11-06 22:15:54,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:54" (3/3) ... [2023-11-06 22:15:54,666 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-13.i [2023-11-06 22:15:54,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:15:54,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:15:54,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:15:54,751 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=LoopsAndPotentialCycles, 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;@61a31946, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:15:54,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:15:54,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 94 states have (on average 1.446808510638298) internal successors, (136), 95 states have internal predecessors, (136), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:15:54,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-06 22:15:54,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:54,775 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:54,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:54,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash 814697608, now seen corresponding path program 1 times [2023-11-06 22:15:54,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:15:54,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002375832] [2023-11-06 22:15:54,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:54,799 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 [2023-11-06 22:15:54,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:15:54,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -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) [2023-11-06 22:15:54,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -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 [2023-11-06 22:15:55,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -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 139 [2023-11-06 22:15:55,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:15:55,386 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 37 more [2023-11-06 22:15:55,395 INFO L158 Benchmark]: Toolchain (without parser) took 10479.61ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 69.9MB in the end (delta: -16.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-11-06 22:15:55,396 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:15:55,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.45ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 52.9MB in the beginning and 76.9MB in the end (delta: -24.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-06 22:15:55,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.05ms. Allocated memory is still 98.6MB. Free memory was 76.9MB in the beginning and 73.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:15:55,399 INFO L158 Benchmark]: Boogie Preprocessor took 125.67ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 69.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:15:55,403 INFO L158 Benchmark]: RCFGBuilder took 9087.38ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 64.3MB in the end (delta: 5.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-06 22:15:55,405 INFO L158 Benchmark]: TraceAbstraction took 733.95ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 69.9MB in the end (delta: -6.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-06 22:15:55,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.45ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 52.9MB in the beginning and 76.9MB in the end (delta: -24.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.05ms. Allocated memory is still 98.6MB. Free memory was 76.9MB in the beginning and 73.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 125.67ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 69.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 9087.38ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 64.3MB in the end (delta: 5.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 733.95ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 69.9MB in the end (delta: -6.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -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) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -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) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 22:15:55,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f123226-ed37-4f14-a1bb-d4091c4786c3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -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) with exit command (exit)) Received EOF on stdin. No stderr output.