./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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_90a0af89-261c-4b16-9a04-15810c2afcd8/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 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:03:52,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:03:52,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:03:52,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:03:52,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:03:52,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:03:52,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:03:52,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:03:52,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:03:52,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:03:52,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:03:52,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:03:52,421 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:03:52,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:03:52,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:03:52,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:03:52,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:03:52,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:03:52,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:03:52,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:03:52,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:03:52,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:03:52,427 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:03:52,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:03:52,428 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:03:52,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:03:52,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:03:52,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:03:52,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:52,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:03:52,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:03:52,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:03:52,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:03:52,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:03:52,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:03:52,432 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:03:52,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:03:52,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:52,433 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:52,433 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_90a0af89-261c-4b16-9a04-15810c2afcd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f [2023-11-06 22:03:52,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:52,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:52,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:52,858 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:52,859 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:52,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-06 22:03:55,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:03:56,262 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:03:56,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-06 22:03:56,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/data/cbd6ca6cc/b7a2d931e734408e99ce1809690a60a2/FLAGe07b48bc8 [2023-11-06 22:03:56,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/data/cbd6ca6cc/b7a2d931e734408e99ce1809690a60a2 [2023-11-06 22:03:56,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:03:56,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:03:56,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:56,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:03:56,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:03:56,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2697a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56, skipping insertion in model container [2023-11-06 22:03:56,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:03:56,561 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_90a0af89-261c-4b16-9a04-15810c2afcd8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-06 22:03:56,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:56,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:03:56,652 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_90a0af89-261c-4b16-9a04-15810c2afcd8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-06 22:03:56,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:56,715 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:03:56,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56 WrapperNode [2023-11-06 22:03:56,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:56,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:56,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:03:56,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:03:56,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,791 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 415 [2023-11-06 22:03:56,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:56,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:03:56,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:03:56,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:03:56,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:03:56,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:03:56,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:03:56,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:03:56,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (1/1) ... [2023-11-06 22:03:56,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:56,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:56,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:03:56,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:03:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:03:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:03:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:03:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:03:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:03:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 22:03:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:03:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:03:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:03:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:03:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:03:57,172 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:03:57,176 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:03:57,837 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:03:57,851 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:03:57,851 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:03:57,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:57 BoogieIcfgContainer [2023-11-06 22:03:57,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:03:57,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:03:57,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:03:57,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:03:57,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:56" (1/3) ... [2023-11-06 22:03:57,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66018be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:57, skipping insertion in model container [2023-11-06 22:03:57,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:56" (2/3) ... [2023-11-06 22:03:57,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66018be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:57, skipping insertion in model container [2023-11-06 22:03:57,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:57" (3/3) ... [2023-11-06 22:03:57,863 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-40.i [2023-11-06 22:03:57,885 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:03:57,885 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:03:57,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:03:57,948 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;@6f93a445, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:03:57,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:03:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:03:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:03:57,972 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:57,973 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:57,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:57,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:57,978 INFO L85 PathProgramCache]: Analyzing trace with hash -854135564, now seen corresponding path program 1 times [2023-11-06 22:03:57,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:57,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726063806] [2023-11-06 22:03:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:58,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:58,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726063806] [2023-11-06 22:03:58,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:03:58,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077440436] [2023-11-06 22:03:58,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:58,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:58,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:58,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:03:58,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:03:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:58,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:03:58,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-06 22:03:58,737 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:03:58,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077440436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:58,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:58,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:03:58,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092161024] [2023-11-06 22:03:58,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:58,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:03:58,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:58,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:03:58,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:03:58,782 INFO L87 Difference]: Start difference. First operand has 111 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:03:58,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:58,820 INFO L93 Difference]: Finished difference Result 215 states and 343 transitions. [2023-11-06 22:03:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:03:58,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2023-11-06 22:03:58,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:58,838 INFO L225 Difference]: With dead ends: 215 [2023-11-06 22:03:58,838 INFO L226 Difference]: Without dead ends: 107 [2023-11-06 22:03:58,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:03:58,851 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:58,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:03:58,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-06 22:03:58,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-11-06 22:03:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 86 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:03:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 158 transitions. [2023-11-06 22:03:58,933 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 158 transitions. Word has length 150 [2023-11-06 22:03:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:58,934 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 158 transitions. [2023-11-06 22:03:58,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:03:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 158 transitions. [2023-11-06 22:03:58,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:03:58,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:58,945 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:58,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:03:59,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:03:59,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:59,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:59,155 INFO L85 PathProgramCache]: Analyzing trace with hash 11151942, now seen corresponding path program 1 times [2023-11-06 22:03:59,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:59,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827995434] [2023-11-06 22:03:59,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:59,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:59,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827995434] [2023-11-06 22:03:59,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:03:59,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712080358] [2023-11-06 22:03:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:59,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:59,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:59,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:03:59,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:03:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:59,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:03:59,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2023-11-06 22:03:59,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:03:59,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712080358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:59,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:59,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:59,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731364022] [2023-11-06 22:03:59,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:59,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:03:59,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:59,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:03:59,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:59,679 INFO L87 Difference]: Start difference. First operand 107 states and 158 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:03:59,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:59,755 INFO L93 Difference]: Finished difference Result 217 states and 322 transitions. [2023-11-06 22:03:59,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:03:59,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2023-11-06 22:03:59,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:59,758 INFO L225 Difference]: With dead ends: 217 [2023-11-06 22:03:59,758 INFO L226 Difference]: Without dead ends: 113 [2023-11-06 22:03:59,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 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 22:03:59,761 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 10 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:59,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 459 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:03:59,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-06 22:03:59,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2023-11-06 22:03:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 88 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:03:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 160 transitions. [2023-11-06 22:03:59,777 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 160 transitions. Word has length 150 [2023-11-06 22:03:59,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:59,778 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 160 transitions. [2023-11-06 22:03:59,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:03:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2023-11-06 22:03:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:03:59,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:59,782 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:59,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:59,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:59,989 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:59,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:59,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1950422716, now seen corresponding path program 1 times [2023-11-06 22:03:59,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:59,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301881535] [2023-11-06 22:03:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:59,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:00,085 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:04:00,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206607341] [2023-11-06 22:04:00,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:00,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:04:00,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:04:00,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:04:00,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:04:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:00,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:04:00,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:04:00,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:04:00,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:00,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301881535] [2023-11-06 22:04:00,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:04:00,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206607341] [2023-11-06 22:04:00,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206607341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:00,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:00,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:04:00,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22754528] [2023-11-06 22:04:00,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:00,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:04:00,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:00,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:04:00,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:04:00,387 INFO L87 Difference]: Start difference. First operand 109 states and 160 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:04:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:00,421 INFO L93 Difference]: Finished difference Result 223 states and 328 transitions. [2023-11-06 22:04:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:04:00,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2023-11-06 22:04:00,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:00,424 INFO L225 Difference]: With dead ends: 223 [2023-11-06 22:04:00,424 INFO L226 Difference]: Without dead ends: 117 [2023-11-06 22:04:00,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 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 22:04:00,426 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 12 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:00,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 459 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:04:00,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-06 22:04:00,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2023-11-06 22:04:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:04:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2023-11-06 22:04:00,440 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 150 [2023-11-06 22:04:00,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:00,441 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2023-11-06 22:04:00,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:04:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2023-11-06 22:04:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:04:00,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:00,444 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:00,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:04:00,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:04:00,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:00,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:00,655 INFO L85 PathProgramCache]: Analyzing trace with hash -175415354, now seen corresponding path program 1 times [2023-11-06 22:04:00,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:00,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268074672] [2023-11-06 22:04:00,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:00,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:00,745 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:04:00,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809752663] [2023-11-06 22:04:00,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:00,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:04:00,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:04:00,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:04:00,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:04:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:00,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:04:00,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:01,029 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:04:01,029 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:04:01,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:01,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268074672] [2023-11-06 22:04:01,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:04:01,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809752663] [2023-11-06 22:04:01,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809752663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:01,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:01,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:04:01,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654613895] [2023-11-06 22:04:01,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:01,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:04:01,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:01,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:04:01,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:04:01,035 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:04:01,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:01,070 INFO L93 Difference]: Finished difference Result 223 states and 326 transitions. [2023-11-06 22:04:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:04:01,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2023-11-06 22:04:01,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:01,077 INFO L225 Difference]: With dead ends: 223 [2023-11-06 22:04:01,077 INFO L226 Difference]: Without dead ends: 115 [2023-11-06 22:04:01,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 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 22:04:01,079 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 3 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:01,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 458 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:04:01,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-06 22:04:01,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2023-11-06 22:04:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.3695652173913044) internal successors, (126), 92 states have internal predecessors, (126), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:04:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2023-11-06 22:04:01,095 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 150 [2023-11-06 22:04:01,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:01,096 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2023-11-06 22:04:01,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:04:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2023-11-06 22:04:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:04:01,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:01,099 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:01,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:04:01,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:04:01,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:01,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:01,307 INFO L85 PathProgramCache]: Analyzing trace with hash -173568312, now seen corresponding path program 1 times [2023-11-06 22:04:01,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:01,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747004638] [2023-11-06 22:04:01,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:01,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:01,384 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:04:01,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690457215] [2023-11-06 22:04:01,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:01,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:04:01,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:04:01,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:04:01,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:04:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:01,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:04:01,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:04:01,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:04:01,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:01,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747004638] [2023-11-06 22:04:01,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:04:01,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690457215] [2023-11-06 22:04:01,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690457215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:01,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:01,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:04:01,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932268256] [2023-11-06 22:04:01,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:01,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:04:01,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:01,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:04:01,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:04:01,673 INFO L87 Difference]: Start difference. First operand 113 states and 164 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:04:01,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:01,715 INFO L93 Difference]: Finished difference Result 251 states and 366 transitions. [2023-11-06 22:04:01,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:04:01,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2023-11-06 22:04:01,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:01,719 INFO L225 Difference]: With dead ends: 251 [2023-11-06 22:04:01,719 INFO L226 Difference]: Without dead ends: 141 [2023-11-06 22:04:01,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 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 22:04:01,723 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 48 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:01,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 452 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:04:01,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-06 22:04:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 115. [2023-11-06 22:04:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:04:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 166 transitions. [2023-11-06 22:04:01,759 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 166 transitions. Word has length 150 [2023-11-06 22:04:01,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:01,760 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 166 transitions. [2023-11-06 22:04:01,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:04:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 166 transitions. [2023-11-06 22:04:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:04:01,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:01,764 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:01,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:04:01,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:04:01,972 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:01,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:01,973 INFO L85 PathProgramCache]: Analyzing trace with hash 429648383, now seen corresponding path program 1 times [2023-11-06 22:04:01,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:01,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970260149] [2023-11-06 22:04:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:01,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:02,055 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:04:02,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631224680] [2023-11-06 22:04:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:02,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:04:02,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:04:02,060 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:04:02,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:04:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:03,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-06 22:04:03,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:03,114 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:03,115 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 28 treesize of output 10 [2023-11-06 22:04:03,201 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 22:04:03,347 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:03,348 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 1 case distinctions, treesize of input 42 treesize of output 29 [2023-11-06 22:04:03,438 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:03,439 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 1 case distinctions, treesize of input 42 treesize of output 29 [2023-11-06 22:04:03,534 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:03,534 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 1 case distinctions, treesize of input 42 treesize of output 29 [2023-11-06 22:04:03,639 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:03,639 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 1 case distinctions, treesize of input 64 treesize of output 29 [2023-11-06 22:04:03,678 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:03,678 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 1 case distinctions, treesize of input 56 treesize of output 44 [2023-11-06 22:04:03,754 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:03,754 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 47 [2023-11-06 22:04:03,935 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:03,936 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 118 treesize of output 52 [2023-11-06 22:04:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 412 proven. 36 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-06 22:04:04,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:04:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:04:04,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:04,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970260149] [2023-11-06 22:04:04,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:04:04,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631224680] [2023-11-06 22:04:04,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631224680] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:04:04,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:04:04,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 20 [2023-11-06 22:04:04,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273361529] [2023-11-06 22:04:04,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:04,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:04:04,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:04,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:04:04,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:04:04,330 INFO L87 Difference]: Start difference. First operand 115 states and 166 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:04:04,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:04,983 INFO L93 Difference]: Finished difference Result 345 states and 494 transitions. [2023-11-06 22:04:04,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:04:04,984 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-06 22:04:04,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:04,986 INFO L225 Difference]: With dead ends: 345 [2023-11-06 22:04:04,986 INFO L226 Difference]: Without dead ends: 233 [2023-11-06 22:04:04,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:04:04,988 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 267 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:04,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 834 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:04:04,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2023-11-06 22:04:05,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 188. [2023-11-06 22:04:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 156 states have (on average 1.3525641025641026) internal successors, (211), 157 states have internal predecessors, (211), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-06 22:04:05,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 269 transitions. [2023-11-06 22:04:05,008 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 269 transitions. Word has length 153 [2023-11-06 22:04:05,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:05,009 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 269 transitions. [2023-11-06 22:04:05,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:04:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 269 transitions. [2023-11-06 22:04:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:04:05,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:05,012 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:05,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:04:05,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:04:05,222 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:05,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:05,222 INFO L85 PathProgramCache]: Analyzing trace with hash -591419971, now seen corresponding path program 1 times [2023-11-06 22:04:05,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:05,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319799253] [2023-11-06 22:04:05,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:05,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:05,266 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:04:05,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695796272] [2023-11-06 22:04:05,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:05,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:04:05,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:04:05,268 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:04:05,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:04:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:05,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:04:05,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:11,654 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:04:11,655 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 8257 treesize of output 3132 [2023-11-06 22:04:43,854 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse39 (select |c_#memory_int| |c_~#WrapperStruct00~0.base|))) (let ((.cse15 (select .cse39 (+ |c_~#WrapperStruct00~0.offset| 33)))) (and (let ((.cse38 (select .cse39 (+ 7 |c_~#WrapperStruct00~0.offset|)))) (let ((.cse12 (div .cse15 .cse38))) (let ((.cse21 (+ (- 1) .cse12)) (.cse36 (+ .cse15 1)) (.cse37 (= (mod .cse15 .cse38) 0)) (.cse0 (+ .cse12 1)) (.cse22 (select .cse39 (+ |c_~#WrapperStruct00~0.offset| 11)))) (let ((.cse31 (div .cse15 .cse38 .cse22)) (.cse27 (+ 2 .cse12)) (.cse28 (= (mod .cse0 .cse22) 0)) (.cse18 (not .cse37)) (.cse19 (<= .cse36 0)) (.cse26 (div .cse0 .cse22)) (.cse17 (< .cse22 0)) (.cse13 (= (mod .cse21 .cse22) 0))) (let ((.cse11 (not .cse13)) (.cse2 (and .cse18 .cse19 (or (< .cse15 (+ .cse26 2)) .cse17))) (.cse6 (not .cse28)) (.cse7 (<= .cse27 0)) (.cse8 (and .cse18 .cse19 (or (< .cse15 (+ .cse26 1)) .cse17))) (.cse14 (<= 0 .cse38)) (.cse20 (<= (+ 1 .cse38) 0)) (.cse25 (<= 0 .cse22)) (.cse16 (+ .cse31 1)) (.cse3 (or (< 0 .cse36) .cse37)) (.cse1 (= (mod .cse12 .cse22) 0))) (or (and (or (< 0 .cse0) .cse1) (let ((.cse30 (<= .cse15 .cse31))) (let ((.cse4 (and .cse25 .cse30)) (.cse23 (<= (+ .cse22 1) 0))) (let ((.cse29 (or .cse4 (and .cse23 .cse30)))) (let ((.cse5 (and .cse14 .cse29))) (let ((.cse9 (and (or (and .cse20 .cse29) .cse5) .cse3)) (.cse10 (or (< 0 .cse27) .cse28))) (or (and (or (and (or .cse2 (and .cse3 (or .cse4 .cse5))) .cse6 .cse7) (and (or .cse8 .cse9) .cse10)) .cse11 (<= .cse12 0)) (and (or .cse13 (< 0 .cse12)) (or (and (or .cse2 (and (or (and .cse14 (or (< .cse15 .cse16) .cse17)) .cse4) .cse3)) .cse6 .cse7) (and (or (and .cse18 .cse19 (or (and .cse20 (or (< .cse15 (+ (div .cse21 .cse22) 1)) .cse17)) (and (let ((.cse24 (<= .cse15 .cse26))) (or (and .cse23 .cse24) (and .cse24 .cse25))) .cse14))) .cse9) .cse10)))))))))) (and (let ((.cse34 (and (let ((.cse35 (<= .cse15 .cse16))) (or (and .cse14 (or (and .cse35 .cse25) (< .cse15 .cse31))) (and .cse20 .cse35 .cse25))) .cse3))) (let ((.cse32 (and (or (= .cse0 0) .cse28) (or .cse8 .cse34))) (.cse33 (and (or .cse2 .cse34) .cse6 .cse7))) (or (and .cse11 (or .cse32 .cse33)) .cse32 .cse33))) (not .cse1) (<= .cse0 0)))))))) (let ((.cse40 (select .cse39 (+ |c_~#WrapperStruct00~0.offset| 42)))) (or (= .cse15 .cse40) (= .cse40 0)))))) is different from false [2023-11-06 22:05:01,501 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse21 (select |c_#memory_int| |c_~#WrapperStruct00~0.base|))) (let ((.cse2 (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 33)))) (and (let ((.cse16 (select .cse21 (+ 7 |c_~#WrapperStruct00~0.offset|)))) (let ((.cse9 (div .cse2 .cse16))) (let ((.cse7 (+ .cse9 1)) (.cse4 (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 11)))) (let ((.cse18 (+ .cse2 1)) (.cse19 (= (mod .cse2 .cse16) 0)) (.cse20 (div .cse7 .cse4))) (let ((.cse17 (<= .cse2 .cse20)) (.cse14 (not .cse19)) (.cse15 (<= .cse18 0)) (.cse11 (not (= (mod .cse7 .cse4) 0))) (.cse12 (<= (+ 2 .cse9) 0))) (let ((.cse5 (and .cse14 .cse15 (<= .cse2 (+ .cse20 1)) .cse11 .cse12)) (.cse6 (and .cse14 .cse15 .cse17)) (.cse1 (or (< 0 .cse18) .cse19)) (.cse3 (div .cse2 .cse16 .cse4)) (.cse0 (= (mod .cse9 .cse4) 0))) (or (and (not .cse0) (or (and .cse1 (or (and (<= .cse2 (+ .cse3 1)) (<= 0 .cse4)) (< .cse2 .cse3))) .cse5 .cse6) (<= .cse7 0)) (and (let ((.cse13 (and .cse1 (<= .cse2 .cse3)))) (or (let ((.cse8 (+ (- 1) .cse9))) (and (or (= (mod .cse8 .cse4) 0) (< 0 .cse9)) (let ((.cse10 (<= 0 .cse16))) (or (and (<= (+ .cse4 1) 0) .cse10 .cse11 .cse12) .cse13 (and .cse14 .cse15 (or (and (<= (+ 1 .cse16) 0) (<= .cse2 (div .cse8 .cse4))) (and .cse17 .cse10))))))) (and (<= .cse9 0) (or .cse13 .cse5 .cse6)))) (or (< 0 .cse7) .cse0))))))))) (let ((.cse22 (select .cse21 (+ |c_~#WrapperStruct00~0.offset| 42)))) (or (= .cse2 .cse22) (= .cse22 0)))))) is different from true [2023-11-06 22:05:16,410 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:05:16,411 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 966 treesize of output 359 [2023-11-06 22:05:58,532 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:05:58,533 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 735 treesize of output 249 [2023-11-06 22:06:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:06:04,423 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:04,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:04,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319799253] [2023-11-06 22:06:04,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:04,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695796272] [2023-11-06 22:06:04,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695796272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:04,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:04,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:06:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386431975] [2023-11-06 22:06:04,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:04,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:06:04,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:04,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:06:04,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=33, Unknown=2, NotChecked=22, Total=72 [2023-11-06 22:06:04,427 INFO L87 Difference]: Start difference. First operand 188 states and 269 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:07,904 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse14 (select |c_#memory_int| |c_~#WrapperStruct00~0.base|))) (let ((.cse12 (select .cse14 (+ |c_~#WrapperStruct00~0.offset| 33))) (.cse21 (select .cse14 (+ 7 |c_~#WrapperStruct00~0.offset|)))) (let ((.cse7 (div .cse12 .cse21))) (let ((.cse15 (+ .cse7 1)) (.cse6 (select .cse14 (+ |c_~#WrapperStruct00~0.offset| 11)))) (let ((.cse24 (+ .cse12 1)) (.cse25 (= (mod .cse12 .cse21) 0)) (.cse23 (div .cse15 .cse6))) (let ((.cse22 (<= .cse12 .cse23)) (.cse19 (not .cse25)) (.cse20 (<= .cse24 0)) (.cse9 (not (= (mod .cse15 .cse6) 0))) (.cse10 (<= (+ 2 .cse7) 0))) (let ((.cse5 (+ (- 1) .cse7)) (.cse8 (<= 0 .cse21)) (.cse16 (= (mod .cse7 .cse6) 0)) (.cse17 (or (< 0 .cse24) .cse25)) (.cse18 (div .cse12 .cse21 .cse6)) (.cse2 (and .cse19 .cse20 (<= .cse12 (+ .cse23 1)) .cse9 .cse10)) (.cse11 (and .cse19 .cse20 .cse22))) (let ((.cse0 (and (not .cse16) (or (and .cse17 (or (and (<= .cse12 (+ .cse18 1)) (<= 0 .cse6)) (< .cse12 .cse18))) .cse2 .cse11) (<= .cse15 0))) (.cse3 (and .cse19 .cse20 (or (and (<= (+ 1 .cse21) 0) (<= .cse12 (div .cse5 .cse6))) (and .cse22 .cse8)))) (.cse1 (and .cse17 (<= .cse12 .cse18))) (.cse4 (or (< 0 .cse15) .cse16))) (and (or .cse0 (and (or .cse1 .cse2 .cse3) .cse4)) (or .cse0 (and (or (and (or (= (mod .cse5 .cse6) 0) (< 0 .cse7)) (or (and (<= (+ .cse6 1) 0) .cse8 .cse9 .cse10) .cse1 .cse3)) (and (<= .cse7 0) (or .cse1 .cse2 .cse11))) .cse4)) (let ((.cse13 (select .cse14 (+ |c_~#WrapperStruct00~0.offset| 42)))) (or (= .cse12 .cse13) (= .cse13 0)))))))))))) is different from true [2023-11-06 22:06:16,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:16,579 INFO L93 Difference]: Finished difference Result 425 states and 604 transitions. [2023-11-06 22:06:16,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:06:16,581 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-06 22:06:16,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:16,585 INFO L225 Difference]: With dead ends: 425 [2023-11-06 22:06:16,585 INFO L226 Difference]: Without dead ends: 240 [2023-11-06 22:06:16,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 145 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=31, Invalid=68, Unknown=3, NotChecked=54, Total=156 [2023-11-06 22:06:16,587 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 109 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 381 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:16,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 900 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 306 Invalid, 0 Unknown, 381 Unchecked, 4.1s Time] [2023-11-06 22:06:16,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-06 22:06:16,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2023-11-06 22:06:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 200 states have (on average 1.34) internal successors, (268), 202 states have internal predecessors, (268), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-06 22:06:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 334 transitions. [2023-11-06 22:06:16,618 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 334 transitions. Word has length 153 [2023-11-06 22:06:16,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:16,619 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 334 transitions. [2023-11-06 22:06:16,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 334 transitions. [2023-11-06 22:06:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:06:16,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:16,623 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:16,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:16,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:16,831 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:16,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:16,832 INFO L85 PathProgramCache]: Analyzing trace with hash 115829170, now seen corresponding path program 1 times [2023-11-06 22:06:16,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:16,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433040898] [2023-11-06 22:06:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,893 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:16,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1135683228] [2023-11-06 22:06:16,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:16,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:16,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:16,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:06:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:06:17,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:06:17,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:17,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433040898] [2023-11-06 22:06:17,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:17,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135683228] [2023-11-06 22:06:17,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135683228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:06:17,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195889225] [2023-11-06 22:06:17,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:17,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:17,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:17,211 INFO L87 Difference]: Start difference. First operand 237 states and 334 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:17,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,299 INFO L93 Difference]: Finished difference Result 587 states and 831 transitions. [2023-11-06 22:06:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:06:17,300 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-06 22:06:17,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,303 INFO L225 Difference]: With dead ends: 587 [2023-11-06 22:06:17,304 INFO L226 Difference]: Without dead ends: 353 [2023-11-06 22:06:17,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:17,306 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 84 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:17,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 659 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2023-11-06 22:06:17,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 239. [2023-11-06 22:06:17,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 202 states have (on average 1.3366336633663367) internal successors, (270), 204 states have internal predecessors, (270), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-06 22:06:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 336 transitions. [2023-11-06 22:06:17,338 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 336 transitions. Word has length 153 [2023-11-06 22:06:17,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,339 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 336 transitions. [2023-11-06 22:06:17,339 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 336 transitions. [2023-11-06 22:06:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:06:17,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,343 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:17,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:17,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:17,552 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:17,553 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,553 INFO L85 PathProgramCache]: Analyzing trace with hash -372565253, now seen corresponding path program 1 times [2023-11-06 22:06:17,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697527834] [2023-11-06 22:06:17,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:17,601 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:17,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [674627195] [2023-11-06 22:06:17,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:17,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:17,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:17,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:06:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 22:06:17,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:18,500 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:18,501 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1543 treesize of output 588 [2023-11-06 22:06:24,850 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:24,852 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 819 treesize of output 279 [2023-11-06 22:06:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:06:31,490 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:31,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:31,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697527834] [2023-11-06 22:06:31,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:31,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674627195] [2023-11-06 22:06:31,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674627195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:31,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:31,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:06:31,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465240769] [2023-11-06 22:06:31,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:31,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:06:31,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:31,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:06:31,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:06:31,493 INFO L87 Difference]: Start difference. First operand 239 states and 336 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:43,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:06:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:43,649 INFO L93 Difference]: Finished difference Result 556 states and 779 transitions. [2023-11-06 22:06:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:06:43,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-06 22:06:43,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:43,654 INFO L225 Difference]: With dead ends: 556 [2023-11-06 22:06:43,655 INFO L226 Difference]: Without dead ends: 320 [2023-11-06 22:06:43,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:06:43,657 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 130 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:43,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 855 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 370 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2023-11-06 22:06:43,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2023-11-06 22:06:43,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 251. [2023-11-06 22:06:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 214 states have (on average 1.3457943925233644) internal successors, (288), 216 states have internal predecessors, (288), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-06 22:06:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 354 transitions. [2023-11-06 22:06:43,689 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 354 transitions. Word has length 153 [2023-11-06 22:06:43,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:43,690 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 354 transitions. [2023-11-06 22:06:43,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 354 transitions. [2023-11-06 22:06:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:06:43,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:43,694 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:43,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-06 22:06:43,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:43,902 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:43,902 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:43,902 INFO L85 PathProgramCache]: Analyzing trace with hash 570196993, now seen corresponding path program 1 times [2023-11-06 22:06:43,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:43,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120617342] [2023-11-06 22:06:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:43,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:43,945 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:43,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2041213334] [2023-11-06 22:06:43,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:43,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:43,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,948 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:06:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:06:44,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:46,247 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:46,248 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4509 treesize of output 1721 [2023-11-06 22:06:49,122 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:49,122 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 476 treesize of output 184 [2023-11-06 22:06:50,277 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:06:50,277 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 493 treesize of output 169 [2023-11-06 22:06:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:06:55,283 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:55,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:55,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120617342] [2023-11-06 22:06:55,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:55,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041213334] [2023-11-06 22:06:55,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041213334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:55,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:55,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:06:55,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113177973] [2023-11-06 22:06:55,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:55,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:06:55,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:55,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:06:55,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:06:55,287 INFO L87 Difference]: Start difference. First operand 251 states and 354 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:03,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:03,801 INFO L93 Difference]: Finished difference Result 607 states and 855 transitions. [2023-11-06 22:07:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:07:03,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-06 22:07:03,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:03,807 INFO L225 Difference]: With dead ends: 607 [2023-11-06 22:07:03,807 INFO L226 Difference]: Without dead ends: 359 [2023-11-06 22:07:03,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:07:03,809 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 218 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:03,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 829 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-06 22:07:03,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-11-06 22:07:03,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 311. [2023-11-06 22:07:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 269 states have (on average 1.3531598513011152) internal successors, (364), 272 states have internal predecessors, (364), 37 states have call successors, (37), 4 states have call predecessors, (37), 4 states have return successors, (37), 34 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-06 22:07:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 438 transitions. [2023-11-06 22:07:03,853 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 438 transitions. Word has length 153 [2023-11-06 22:07:03,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:03,854 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 438 transitions. [2023-11-06 22:07:03,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 438 transitions. [2023-11-06 22:07:03,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:07:03,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:03,857 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:03,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:04,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:07:04,066 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:04,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:04,066 INFO L85 PathProgramCache]: Analyzing trace with hash -450871361, now seen corresponding path program 1 times [2023-11-06 22:07:04,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:04,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895404316] [2023-11-06 22:07:04,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:04,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:04,116 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:04,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [940341355] [2023-11-06 22:07:04,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:04,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:04,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:04,118 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:04,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:07:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:07:04,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:04,438 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-06 22:07:04,454 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:04,454 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 1 case distinctions, treesize of input 35 treesize of output 22 [2023-11-06 22:07:04,517 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:04,518 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 64 treesize of output 28 [2023-11-06 22:07:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:04,554 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:04,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895404316] [2023-11-06 22:07:04,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940341355] [2023-11-06 22:07:04,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940341355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:04,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:04,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:07:04,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213089132] [2023-11-06 22:07:04,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:04,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:07:04,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:04,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:07:04,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:07:04,558 INFO L87 Difference]: Start difference. First operand 311 states and 438 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:05,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:05,198 INFO L93 Difference]: Finished difference Result 800 states and 1124 transitions. [2023-11-06 22:07:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:07:05,205 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-06 22:07:05,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:05,210 INFO L225 Difference]: With dead ends: 800 [2023-11-06 22:07:05,210 INFO L226 Difference]: Without dead ends: 492 [2023-11-06 22:07:05,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:07:05,213 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 314 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:05,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 993 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:07:05,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2023-11-06 22:07:05,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 346. [2023-11-06 22:07:05,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 291 states have (on average 1.3264604810996563) internal successors, (386), 295 states have internal predecessors, (386), 49 states have call successors, (49), 5 states have call predecessors, (49), 5 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-06 22:07:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 484 transitions. [2023-11-06 22:07:05,266 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 484 transitions. Word has length 153 [2023-11-06 22:07:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:05,267 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 484 transitions. [2023-11-06 22:07:05,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 484 transitions. [2023-11-06 22:07:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:07:05,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:05,270 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:05,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:05,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:07:05,483 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:05,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:05,483 INFO L85 PathProgramCache]: Analyzing trace with hash -224346535, now seen corresponding path program 1 times [2023-11-06 22:07:05,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:05,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322968868] [2023-11-06 22:07:05,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:05,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:05,528 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:05,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349525830] [2023-11-06 22:07:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:05,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:05,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:05,530 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:07:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:05,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:07:05,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:05,880 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:05,881 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 1 case distinctions, treesize of input 45 treesize of output 26 [2023-11-06 22:07:05,900 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:05,901 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 1 case distinctions, treesize of input 45 treesize of output 26 [2023-11-06 22:07:05,925 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:05,925 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 44 treesize of output 14 [2023-11-06 22:07:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:05,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:05,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:05,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322968868] [2023-11-06 22:07:05,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349525830] [2023-11-06 22:07:05,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349525830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:05,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:05,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:07:05,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800658506] [2023-11-06 22:07:05,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:05,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:05,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:05,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:05,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:05,950 INFO L87 Difference]: Start difference. First operand 346 states and 484 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:06,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:06,678 INFO L93 Difference]: Finished difference Result 886 states and 1230 transitions. [2023-11-06 22:07:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:07:06,679 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 154 [2023-11-06 22:07:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:06,685 INFO L225 Difference]: With dead ends: 886 [2023-11-06 22:07:06,686 INFO L226 Difference]: Without dead ends: 564 [2023-11-06 22:07:06,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 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 22:07:06,688 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 198 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:06,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 920 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:07:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2023-11-06 22:07:06,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 408. [2023-11-06 22:07:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 327 states have (on average 1.290519877675841) internal successors, (422), 331 states have internal predecessors, (422), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:07:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 566 transitions. [2023-11-06 22:07:06,763 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 566 transitions. Word has length 154 [2023-11-06 22:07:06,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:06,764 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 566 transitions. [2023-11-06 22:07:06,764 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:06,764 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 566 transitions. [2023-11-06 22:07:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:07:06,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:06,768 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:06,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:06,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:07:06,983 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:06,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:06,984 INFO L85 PathProgramCache]: Analyzing trace with hash 134831421, now seen corresponding path program 1 times [2023-11-06 22:07:06,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:06,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169171652] [2023-11-06 22:07:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:06,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:07,040 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:07,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1652125458] [2023-11-06 22:07:07,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:07,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:07,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:07,042 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:07,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:07:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:07,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:07:07,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:07,435 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:07,436 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 1 case distinctions, treesize of input 39 treesize of output 26 [2023-11-06 22:07:07,463 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:07,464 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 1 case distinctions, treesize of input 39 treesize of output 26 [2023-11-06 22:07:07,493 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:07,493 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 29 treesize of output 11 [2023-11-06 22:07:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:07,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:07,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:07,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169171652] [2023-11-06 22:07:07,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:07,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652125458] [2023-11-06 22:07:07,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652125458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:07,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:07,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:07:07,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390126181] [2023-11-06 22:07:07,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:07,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:07,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:07,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:07,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:07,514 INFO L87 Difference]: Start difference. First operand 408 states and 566 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:08,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:08,338 INFO L93 Difference]: Finished difference Result 1026 states and 1425 transitions. [2023-11-06 22:07:08,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:07:08,339 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 154 [2023-11-06 22:07:08,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:08,345 INFO L225 Difference]: With dead ends: 1026 [2023-11-06 22:07:08,345 INFO L226 Difference]: Without dead ends: 642 [2023-11-06 22:07:08,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:07:08,347 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 183 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:08,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 825 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:07:08,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2023-11-06 22:07:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 561. [2023-11-06 22:07:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 456 states have (on average 1.293859649122807) internal successors, (590), 462 states have internal predecessors, (590), 94 states have call successors, (94), 10 states have call predecessors, (94), 10 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:07:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 778 transitions. [2023-11-06 22:07:08,421 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 778 transitions. Word has length 154 [2023-11-06 22:07:08,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:08,422 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 778 transitions. [2023-11-06 22:07:08,422 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 778 transitions. [2023-11-06 22:07:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:07:08,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:08,425 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:08,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:08,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:07:08,634 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:08,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:08,634 INFO L85 PathProgramCache]: Analyzing trace with hash 196871035, now seen corresponding path program 1 times [2023-11-06 22:07:08,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:08,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351896055] [2023-11-06 22:07:08,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:08,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:08,684 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:08,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739888850] [2023-11-06 22:07:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:08,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:08,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:08,686 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:08,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:07:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:09,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:07:09,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:09,115 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:09,116 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 1 case distinctions, treesize of input 46 treesize of output 27 [2023-11-06 22:07:09,138 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:09,138 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 1 case distinctions, treesize of input 46 treesize of output 27 [2023-11-06 22:07:09,168 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:09,168 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 45 treesize of output 15 [2023-11-06 22:07:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:09,181 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:09,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:09,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351896055] [2023-11-06 22:07:09,181 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:09,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739888850] [2023-11-06 22:07:09,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739888850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:09,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:09,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:09,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429560956] [2023-11-06 22:07:09,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:09,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:09,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:09,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:09,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:09,184 INFO L87 Difference]: Start difference. First operand 561 states and 778 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:09,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:09,830 INFO L93 Difference]: Finished difference Result 1223 states and 1695 transitions. [2023-11-06 22:07:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:07:09,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 154 [2023-11-06 22:07:09,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:09,836 INFO L225 Difference]: With dead ends: 1223 [2023-11-06 22:07:09,837 INFO L226 Difference]: Without dead ends: 686 [2023-11-06 22:07:09,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 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 22:07:09,839 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 186 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:09,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 479 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:07:09,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2023-11-06 22:07:09,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 561. [2023-11-06 22:07:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 456 states have (on average 1.2894736842105263) internal successors, (588), 462 states have internal predecessors, (588), 94 states have call successors, (94), 10 states have call predecessors, (94), 10 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:07:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 776 transitions. [2023-11-06 22:07:09,925 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 776 transitions. Word has length 154 [2023-11-06 22:07:09,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:09,926 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 776 transitions. [2023-11-06 22:07:09,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 776 transitions. [2023-11-06 22:07:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 22:07:09,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:09,930 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:09,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:10,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:07:10,139 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:10,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash -262968672, now seen corresponding path program 1 times [2023-11-06 22:07:10,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:10,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042315786] [2023-11-06 22:07:10,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:10,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:10,201 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:10,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305692097] [2023-11-06 22:07:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:10,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:10,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:10,204 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:10,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:07:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:07:10,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:10,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:10,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:10,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042315786] [2023-11-06 22:07:10,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:10,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305692097] [2023-11-06 22:07:10,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305692097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:10,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:10,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:07:10,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664879186] [2023-11-06 22:07:10,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:10,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:10,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:10,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:10,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:10,593 INFO L87 Difference]: Start difference. First operand 561 states and 776 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:10,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:10,777 INFO L93 Difference]: Finished difference Result 1632 states and 2232 transitions. [2023-11-06 22:07:10,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:07:10,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-11-06 22:07:10,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:10,791 INFO L225 Difference]: With dead ends: 1632 [2023-11-06 22:07:10,792 INFO L226 Difference]: Without dead ends: 1095 [2023-11-06 22:07:10,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:07:10,800 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 121 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:10,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 897 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:10,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2023-11-06 22:07:10,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 567. [2023-11-06 22:07:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 462 states have (on average 1.2857142857142858) internal successors, (594), 468 states have internal predecessors, (594), 94 states have call successors, (94), 10 states have call predecessors, (94), 10 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:07:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 782 transitions. [2023-11-06 22:07:10,886 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 782 transitions. Word has length 155 [2023-11-06 22:07:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:10,888 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 782 transitions. [2023-11-06 22:07:10,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 782 transitions. [2023-11-06 22:07:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 22:07:10,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:10,893 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:10,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:11,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:07:11,102 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:11,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:11,102 INFO L85 PathProgramCache]: Analyzing trace with hash -268497831, now seen corresponding path program 1 times [2023-11-06 22:07:11,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:11,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152274022] [2023-11-06 22:07:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:11,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:11,167 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:11,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870102554] [2023-11-06 22:07:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:11,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:11,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:11,169 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:11,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:07:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:11,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:07:11,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:11,796 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:11,796 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 535 treesize of output 264 [2023-11-06 22:07:12,414 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:12,414 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 207 treesize of output 104 [2023-11-06 22:07:12,971 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:12,972 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 215 treesize of output 77 [2023-11-06 22:07:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:14,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:14,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:14,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152274022] [2023-11-06 22:07:14,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:14,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870102554] [2023-11-06 22:07:14,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870102554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:14,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:14,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:07:14,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682910589] [2023-11-06 22:07:14,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:14,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:07:14,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:14,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:07:14,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:07:14,798 INFO L87 Difference]: Start difference. First operand 567 states and 782 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:16,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:16,574 INFO L93 Difference]: Finished difference Result 1135 states and 1561 transitions. [2023-11-06 22:07:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:07:16,575 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-11-06 22:07:16,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:16,579 INFO L225 Difference]: With dead ends: 1135 [2023-11-06 22:07:16,579 INFO L226 Difference]: Without dead ends: 592 [2023-11-06 22:07:16,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 143 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:07:16,582 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 150 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:16,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 920 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:07:16,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2023-11-06 22:07:16,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 512. [2023-11-06 22:07:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 418 states have (on average 1.2894736842105263) internal successors, (539), 423 states have internal predecessors, (539), 84 states have call successors, (84), 9 states have call predecessors, (84), 9 states have return successors, (84), 79 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-06 22:07:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 707 transitions. [2023-11-06 22:07:16,653 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 707 transitions. Word has length 155 [2023-11-06 22:07:16,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:16,654 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 707 transitions. [2023-11-06 22:07:16,654 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 707 transitions. [2023-11-06 22:07:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 22:07:16,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:16,657 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:16,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:16,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:07:16,865 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:16,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:16,866 INFO L85 PathProgramCache]: Analyzing trace with hash 814610137, now seen corresponding path program 1 times [2023-11-06 22:07:16,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:16,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610047952] [2023-11-06 22:07:16,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:16,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:16,920 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:16,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708969758] [2023-11-06 22:07:16,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:16,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:16,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:16,922 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:16,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:07:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:17,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:07:17,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:19,000 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:19,000 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3134 treesize of output 1399 [2023-11-06 22:07:28,346 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:28,346 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 187 treesize of output 102 [2023-11-06 22:07:28,596 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:07:28,597 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 195 treesize of output 75 [2023-11-06 22:07:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:30,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:30,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:30,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610047952] [2023-11-06 22:07:30,183 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:30,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708969758] [2023-11-06 22:07:30,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708969758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:30,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:30,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:07:30,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465211148] [2023-11-06 22:07:30,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:30,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:07:30,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:30,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:07:30,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:07:30,186 INFO L87 Difference]: Start difference. First operand 512 states and 707 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:32,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:32,661 INFO L93 Difference]: Finished difference Result 1025 states and 1411 transitions. [2023-11-06 22:07:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:07:32,669 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-11-06 22:07:32,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:32,673 INFO L225 Difference]: With dead ends: 1025 [2023-11-06 22:07:32,673 INFO L226 Difference]: Without dead ends: 537 [2023-11-06 22:07:32,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:07:32,676 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 150 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:32,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 927 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:07:32,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2023-11-06 22:07:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 453. [2023-11-06 22:07:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 372 states have (on average 1.2956989247311828) internal successors, (482), 376 states have internal predecessors, (482), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:07:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 626 transitions. [2023-11-06 22:07:32,765 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 626 transitions. Word has length 155 [2023-11-06 22:07:32,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:32,766 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 626 transitions. [2023-11-06 22:07:32,766 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 626 transitions. [2023-11-06 22:07:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 22:07:32,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:32,768 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:32,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:32,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:07:32,969 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:32,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:32,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1654730203, now seen corresponding path program 1 times [2023-11-06 22:07:32,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:32,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287140953] [2023-11-06 22:07:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:32,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:33,013 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:33,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [183894449] [2023-11-06 22:07:33,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:33,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:33,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:33,016 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:33,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:07:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:07:33,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:33,452 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-06 22:07:33,462 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-06 22:07:33,474 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 20 treesize of output 8 [2023-11-06 22:07:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:33,483 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:33,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:33,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287140953] [2023-11-06 22:07:33,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:07:33,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183894449] [2023-11-06 22:07:33,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183894449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:33,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:33,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:33,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983326237] [2023-11-06 22:07:33,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:33,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:33,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:33,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:33,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:33,487 INFO L87 Difference]: Start difference. First operand 453 states and 626 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:34,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:34,010 INFO L93 Difference]: Finished difference Result 1170 states and 1614 transitions. [2023-11-06 22:07:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:07:34,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-11-06 22:07:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:34,016 INFO L225 Difference]: With dead ends: 1170 [2023-11-06 22:07:34,017 INFO L226 Difference]: Without dead ends: 741 [2023-11-06 22:07:34,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 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 22:07:34,020 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 197 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:34,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 334 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:07:34,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2023-11-06 22:07:34,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 653. [2023-11-06 22:07:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 536 states have (on average 1.289179104477612) internal successors, (691), 541 states have internal predecessors, (691), 103 states have call successors, (103), 13 states have call predecessors, (103), 13 states have return successors, (103), 98 states have call predecessors, (103), 103 states have call successors, (103) [2023-11-06 22:07:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 897 transitions. [2023-11-06 22:07:34,138 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 897 transitions. Word has length 155 [2023-11-06 22:07:34,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:34,139 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 897 transitions. [2023-11-06 22:07:34,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 897 transitions. [2023-11-06 22:07:34,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 22:07:34,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:34,142 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:34,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:34,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:07:34,351 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:34,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:34,351 INFO L85 PathProgramCache]: Analyzing trace with hash 66382301, now seen corresponding path program 1 times [2023-11-06 22:07:34,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:34,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725150632] [2023-11-06 22:07:34,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:34,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:34,397 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:07:34,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047361082] [2023-11-06 22:07:34,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:34,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:34,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:34,400 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:34,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:07:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:36,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:07:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:37,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:07:37,035 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:07:37,037 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:07:37,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:37,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:37,258 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] [2023-11-06 22:07:37,264 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:37,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:37 BoogieIcfgContainer [2023-11-06 22:07:37,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:37,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:37,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:37,405 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:37,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:57" (3/4) ... [2023-11-06 22:07:37,408 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:07:37,409 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:37,410 INFO L158 Benchmark]: Toolchain (without parser) took 221093.12ms. Allocated memory was 165.7MB in the beginning and 539.0MB in the end (delta: 373.3MB). Free memory was 133.6MB in the beginning and 285.5MB in the end (delta: -151.9MB). Peak memory consumption was 221.4MB. Max. memory is 16.1GB. [2023-11-06 22:07:37,412 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 98.1MB in the end (delta: 82.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:37,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.94ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 117.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:07:37,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.09ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 113.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:37,413 INFO L158 Benchmark]: Boogie Preprocessor took 60.01ms. Allocated memory is still 165.7MB. Free memory was 113.4MB in the beginning and 109.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:37,414 INFO L158 Benchmark]: RCFGBuilder took 1000.97ms. Allocated memory is still 165.7MB. Free memory was 109.9MB in the beginning and 106.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:37,414 INFO L158 Benchmark]: TraceAbstraction took 219546.83ms. Allocated memory was 165.7MB in the beginning and 539.0MB in the end (delta: 373.3MB). Free memory was 105.7MB in the beginning and 285.5MB in the end (delta: -179.8MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. [2023-11-06 22:07:37,415 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 539.0MB. Free memory is still 285.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:37,427 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 98.1MB in the end (delta: 82.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.94ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 117.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.09ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 113.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.01ms. Allocated memory is still 165.7MB. Free memory was 113.4MB in the beginning and 109.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.97ms. Allocated memory is still 165.7MB. Free memory was 109.9MB in the beginning and 106.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 219546.83ms. Allocated memory was 165.7MB in the beginning and 539.0MB in the end (delta: 373.3MB). Free memory was 105.7MB in the beginning and 285.5MB in the end (delta: -179.8MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 539.0MB. Free memory is still 285.5MB. 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 83, overapproximation of bitwiseOr at line 121, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L59] double last_1_WrapperStruct00_var_1_13 = 8.4; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_13=42/5] [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L118] EXPR WrapperStruct00.var_1_13 [L118] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L88] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00.var_1_2=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00.var_1_2=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L90] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00.var_1_2=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00.var_1_2=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L91] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00.var_1_3=256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00.var_1_3=256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L93] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00.var_1_3=256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00.var_1_3=256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L94] WrapperStruct00.var_1_8 = __VERIFIER_nondet_long() [L95] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00.var_1_8=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= -2147483648) VAL [WrapperStruct00.var_1_8=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L96] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00.var_1_8=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00.var_1_8=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L97] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00.var_1_8=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_8 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_8 != 0) VAL [WrapperStruct00.var_1_8=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L98] WrapperStruct00.var_1_9 = __VERIFIER_nondet_long() [L99] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= -2147483648) VAL [WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L100] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 2147483647) VAL [WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L101] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_9 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_9 != 0) VAL [WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00.var_1_11=-126, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 127) VAL [WrapperStruct00.var_1_11=-126, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L104] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00.var_1_11=-126, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00.var_1_11=-126, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L105] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00.var_1_12=-511, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00.var_1_12=-511, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L107] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00.var_1_12=-511, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00.var_1_12=-511, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L108] WrapperStruct00.var_1_15 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_15 [L109] EXPR WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_15 [L109] EXPR WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F VAL [WrapperStruct00.var_1_15=8, WrapperStruct00.var_1_15=8, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] EXPR (WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [(WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )=1, WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F=1, WrapperStruct00.var_1_15=8, WrapperStruct00.var_1_15=8, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [(WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )=1, WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F=1, WrapperStruct00.var_1_15=8, WrapperStruct00.var_1_15=8, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L110] WrapperStruct00.var_1_17 = __VERIFIER_nondet_char() [L111] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00.var_1_17=-127, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00.var_1_17=-127, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L112] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00.var_1_17=-127, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00.var_1_17=-127, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L113] WrapperStruct00.var_1_18 = __VERIFIER_nondet_char() [L114] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00.var_1_18=-4, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= -63) VAL [WrapperStruct00.var_1_18=-4, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L115] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00.var_1_18=-4, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00.var_1_18=-4, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L129] RET updateVariables() [L130] CALL step() [L63] WrapperStruct00.var_1_3 VAL [WrapperStruct00.var_1_3=256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L63] COND FALSE !(WrapperStruct00.var_1_3) [L66] EXPR WrapperStruct00.var_1_15 [L66] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_15 [L67] EXPR WrapperStruct00.var_1_16 [L67] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_16 [L68] EXPR WrapperStruct00.var_1_18 [L68] WrapperStruct00.var_1_21 = WrapperStruct00.var_1_18 [L69] WrapperStruct00.var_1_2 VAL [WrapperStruct00.var_1_2=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L69] COND FALSE !(WrapperStruct00.var_1_2) [L78] EXPR WrapperStruct00.var_1_16 [L78] EXPR WrapperStruct00.var_1_8 [L78] EXPR WrapperStruct00.var_1_9 [L78] EXPR WrapperStruct00.var_1_21 [L78] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L78] EXPR WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16 VAL [WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L78] COND TRUE ((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16) [L79] EXPR WrapperStruct00.var_1_11 [L79] EXPR WrapperStruct00.var_1_12 [L79] WrapperStruct00.var_1_7 = (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12) [L83] EXPR WrapperStruct00.var_1_19 [L83] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00.var_1_19=8, WrapperStruct00.var_1_19=8, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L83] EXPR ((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19) VAL [((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)=42/5, WrapperStruct00.var_1_19=8, WrapperStruct00.var_1_19=8, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L83] COND TRUE WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19))) [L84] EXPR WrapperStruct00.var_1_15 [L84] WrapperStruct00.var_1_13 = (WrapperStruct00.var_1_15 + (127.4 - 8.25)) [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00.var_1_2=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1 VAL [WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_2=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))) [L121] EXPR WrapperStruct00.var_1_16 [L121] EXPR WrapperStruct00.var_1_8 [L121] EXPR WrapperStruct00.var_1_9 [L121] EXPR WrapperStruct00.var_1_21 [L121] EXPR WrapperStruct00.var_1_16 VAL [(WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=1, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16 VAL [(WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=1, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)) [L121] EXPR WrapperStruct00.var_1_7 [L121] EXPR WrapperStruct00.var_1_12 [L121] EXPR (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)) VAL [(((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))=0, (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=1, WrapperStruct00.var_1_12=-511, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_7=129, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))) VAL [(((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))=0, (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=0, WrapperStruct00.var_1_12=-511, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_7=129, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1) VAL [(((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))=0, ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)=0, (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=0, WrapperStruct00.var_1_12=-511, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_7=129, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1) VAL [(((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))=0, (((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)=0, ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)=0, (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=0, WrapperStruct00.var_1_12=-511, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_7=129, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15)) VAL [((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))=0, (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))=0, (((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)=0, ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)=0, (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=0, WrapperStruct00.var_1_12=-511, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_7=129, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR (((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16)) VAL [(((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))=0, ((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))=0, (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))=0, (((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)=0, ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)=0, (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=0, WrapperStruct00.var_1_12=-511, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_7=129, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121] EXPR ((((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_21 == ((signed short int) WrapperStruct00.var_1_18)) VAL [((((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_21 == ((signed short int) WrapperStruct00.var_1_18))=0, (((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))=0, ((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))=0, (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))=0, (((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)=0, ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)=0, (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))=0, WrapperStruct00.var_1_12=-511, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_16=-2, WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1=1, WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16=-1, WrapperStruct00.var_1_21=-4, WrapperStruct00.var_1_2=0, WrapperStruct00.var_1_7=129, WrapperStruct00.var_1_8=-1, WrapperStruct00.var_1_9=-1, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L121-L122] return ((((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_21 == ((signed short int) WrapperStruct00.var_1_18)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 219.3s, OverallIterations: 19, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 41.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 2381 SdHoareTripleChecker+Valid, 19.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2380 mSDsluCounter, 12358 SdHoareTripleChecker+Invalid, 18.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 381 IncrementalHoareTripleChecker+Unchecked, 9155 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4211 IncrementalHoareTripleChecker+Invalid, 4708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 3203 mSDtfsCounter, 4211 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2935 GetRequests, 2798 SyntacticMatches, 7 SemanticMatches, 130 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 31.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=653occurred in iteration=18, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 18 MinimizatonAttempts, 1605 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 162.0s InterpolantComputationTime, 3205 NumberOfCodeBlocks, 3205 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2884 ConstructedInterpolants, 0 QuantifiedInterpolants, 26885 SizeOfPredicates, 111 NumberOfNonLiveVariables, 8632 ConjunctsInSsa, 299 ConjunctsInUnsatCore, 19 InterpolantComputations, 18 PerfectInterpolantSequences, 12960/12996 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 22:07:37,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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_90a0af89-261c-4b16-9a04-15810c2afcd8/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 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:40,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:40,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:07:40,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:40,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:40,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:40,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:40,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:40,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:40,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:40,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:40,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:40,943 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:40,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:40,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:40,947 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:07:40,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:07:40,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:40,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:40,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:40,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:40,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:07:40,952 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:07:40,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:07:40,953 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:07:40,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:40,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:40,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:40,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:40,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:40,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:40,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:40,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:40,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:40,960 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:07:40,961 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:07:40,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:40,961 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:40,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:40,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:40,963 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:07:40,964 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:40,964 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_90a0af89-261c-4b16-9a04-15810c2afcd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f [2023-11-06 22:07:41,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:41,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:41,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:41,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:41,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:41,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-06 22:07:44,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:45,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:45,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-06 22:07:45,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/data/549554d15/83a0d3d28baf4b189606d90fbc259357/FLAGb240a2ac9 [2023-11-06 22:07:45,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/data/549554d15/83a0d3d28baf4b189606d90fbc259357 [2023-11-06 22:07:45,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:45,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:45,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:45,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:45,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:45,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:45" (1/1) ... [2023-11-06 22:07:45,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd42397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:45, skipping insertion in model container [2023-11-06 22:07:45,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:45" (1/1) ... [2023-11-06 22:07:45,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:45,800 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_90a0af89-261c-4b16-9a04-15810c2afcd8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-06 22:07:45,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:45,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:45,963 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_90a0af89-261c-4b16-9a04-15810c2afcd8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-06 22:07:46,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:46,110 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:46,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46 WrapperNode [2023-11-06 22:07:46,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:46,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:46,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:46,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:46,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,230 INFO L138 Inliner]: procedures = 39, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2023-11-06 22:07:46,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:46,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:46,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:46,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:46,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:46,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:46,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:46,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:46,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (1/1) ... [2023-11-06 22:07:46,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:46,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:46,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:46,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 22:07:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 22:07:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 22:07:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-06 22:07:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:07:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 22:07:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-06 22:07:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-06 22:07:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:07:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-06 22:07:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-06 22:07:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-06 22:07:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:07:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:07:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 22:07:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-06 22:07:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:07:46,660 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:46,663 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:50,678 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:50,686 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:50,687 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:07:50,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:50 BoogieIcfgContainer [2023-11-06 22:07:50,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:50,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:50,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:50,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:50,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:45" (1/3) ... [2023-11-06 22:07:50,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4399ef8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:50, skipping insertion in model container [2023-11-06 22:07:50,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:46" (2/3) ... [2023-11-06 22:07:50,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4399ef8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:50, skipping insertion in model container [2023-11-06 22:07:50,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:50" (3/3) ... [2023-11-06 22:07:50,700 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-40.i [2023-11-06 22:07:50,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:50,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:07:50,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:50,799 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;@6e86e13e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:50,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:07:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 85 states have (on average 1.4) internal successors, (119), 86 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:07:50,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:07:50,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:50,826 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:50,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:50,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:50,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1672912439, now seen corresponding path program 1 times [2023-11-06 22:07:50,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:50,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921331665] [2023-11-06 22:07:50,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:50,854 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 22:07:50,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:50,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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 22:07:50,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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 22:07:51,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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 22:07:51,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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 22:07:51,400 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_90a0af89-261c-4b16-9a04-15810c2afcd8/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_90a0af89-261c-4b16-9a04-15810c2afcd8/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 22:07:51,405 INFO L158 Benchmark]: Toolchain (without parser) took 5930.53ms. Allocated memory is still 115.3MB. Free memory was 90.9MB in the beginning and 76.0MB in the end (delta: 14.9MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-06 22:07:51,405 INFO L158 Benchmark]: CDTParser took 0.35ms. 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 22:07:51,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.62ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 73.1MB in the end (delta: 17.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:07:51,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.46ms. Allocated memory is still 115.3MB. Free memory was 73.1MB in the beginning and 69.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:51,407 INFO L158 Benchmark]: Boogie Preprocessor took 145.83ms. Allocated memory is still 115.3MB. Free memory was 69.9MB in the beginning and 66.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:51,408 INFO L158 Benchmark]: RCFGBuilder took 4307.88ms. Allocated memory is still 115.3MB. Free memory was 66.0MB in the beginning and 64.6MB in the end (delta: 1.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-06 22:07:51,409 INFO L158 Benchmark]: TraceAbstraction took 710.70ms. Allocated memory is still 115.3MB. Free memory was 64.1MB in the beginning and 76.0MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:51,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.62ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 73.1MB in the end (delta: 17.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.46ms. Allocated memory is still 115.3MB. Free memory was 73.1MB in the beginning and 69.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.83ms. Allocated memory is still 115.3MB. Free memory was 69.9MB in the beginning and 66.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4307.88ms. Allocated memory is still 115.3MB. Free memory was 66.0MB in the beginning and 64.6MB in the end (delta: 1.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 710.70ms. Allocated memory is still 115.3MB. Free memory was 64.1MB in the beginning and 76.0MB in the end (delta: -11.9MB). There was no memory consumed. 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_90a0af89-261c-4b16-9a04-15810c2afcd8/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_90a0af89-261c-4b16-9a04-15810c2afcd8/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 22:07:51,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a0af89-261c-4b16-9a04-15810c2afcd8/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_90a0af89-261c-4b16-9a04-15810c2afcd8/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.