./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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 eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:33:49,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:33:50,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:33:50,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:33:50,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:33:50,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:33:50,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:33:50,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:33:50,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:33:50,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:33:50,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:33:50,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:33:50,097 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:33:50,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:33:50,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:33:50,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:33:50,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:33:50,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:33:50,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:33:50,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:33:50,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:33:50,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:33:50,106 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:33:50,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:33:50,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:33:50,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:33:50,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:33:50,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:33:50,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:33:50,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:33:50,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:33:50,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:33:50,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:33:50,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:33:50,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:33:50,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:33:50,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:33:50,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:33:50,116 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:33:50,116 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 [2023-11-06 22:33:50,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:33:50,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:33:50,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:33:50,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:33:50,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:33:50,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-11-06 22:33:54,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:33:54,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:33:54,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-11-06 22:33:54,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/data/d5a22273c/f2b4a36236e143d997ce4f41a0a32561/FLAG8dd20063d [2023-11-06 22:33:54,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/data/d5a22273c/f2b4a36236e143d997ce4f41a0a32561 [2023-11-06 22:33:54,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:33:54,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:33:54,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:54,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:33:54,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:33:54,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:54" (1/1) ... [2023-11-06 22:33:54,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482b1e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:54, skipping insertion in model container [2023-11-06 22:33:54,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:54" (1/1) ... [2023-11-06 22:33:55,031 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:33:55,191 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-11-06 22:33:55,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:55,298 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:33:55,315 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-11-06 22:33:55,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:55,400 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:33:55,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55 WrapperNode [2023-11-06 22:33:55,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:55,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:55,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:33:55,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:33:55,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,499 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2023-11-06 22:33:55,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:55,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:33:55,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:33:55,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:33:55,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:33:55,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:33:55,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:33:55,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:33:55,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (1/1) ... [2023-11-06 22:33:55,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:33:55,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:55,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:55,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:33:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:33:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:33:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:33:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:33:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:33:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 22:33:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:33:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:33:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:33:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:33:55,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:33:55,893 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:33:55,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:33:56,706 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:33:56,721 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:33:56,721 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:33:56,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:56 BoogieIcfgContainer [2023-11-06 22:33:56,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:33:56,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:33:56,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:33:56,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:33:56,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:33:54" (1/3) ... [2023-11-06 22:33:56,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ff8d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:33:56, skipping insertion in model container [2023-11-06 22:33:56,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:55" (2/3) ... [2023-11-06 22:33:56,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ff8d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:33:56, skipping insertion in model container [2023-11-06 22:33:56,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:56" (3/3) ... [2023-11-06 22:33:56,744 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-44.i [2023-11-06 22:33:56,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:33:56,770 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:33:56,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:33:56,852 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;@77639040, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:33:56,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:33:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:33:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:33:56,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:33:56,883 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:56,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:33:56,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:56,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1587798155, now seen corresponding path program 1 times [2023-11-06 22:33:56,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:56,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954879055] [2023-11-06 22:33:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:56,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:57,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:57,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954879055] [2023-11-06 22:33:57,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:33:57,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865106808] [2023-11-06 22:33:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:57,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:33:57,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:57,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:33:57,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:33:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:57,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:33:57,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:33:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-06 22:33:57,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:33:57,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865106808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:57,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:57,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:33:57,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407238862] [2023-11-06 22:33:57,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:57,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:33:57,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:57,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:33:57,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:33:57,955 INFO L87 Difference]: Start difference. First operand has 118 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:33:58,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:33:58,003 INFO L93 Difference]: Finished difference Result 229 states and 359 transitions. [2023-11-06 22:33:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:33:58,006 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2023-11-06 22:33:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:33:58,017 INFO L225 Difference]: With dead ends: 229 [2023-11-06 22:33:58,017 INFO L226 Difference]: Without dead ends: 114 [2023-11-06 22:33:58,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 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 22:33:58,026 INFO L413 NwaCegarLoop]: 165 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, 165 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 22:33:58,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:33:58,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-06 22:33:58,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-06 22:33:58,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:33:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 165 transitions. [2023-11-06 22:33:58,099 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 165 transitions. Word has length 159 [2023-11-06 22:33:58,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:33:58,100 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 165 transitions. [2023-11-06 22:33:58,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:33:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2023-11-06 22:33:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:33:58,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:33:58,107 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:58,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:58,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:33:58,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:33:58,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:58,313 INFO L85 PathProgramCache]: Analyzing trace with hash -655754907, now seen corresponding path program 1 times [2023-11-06 22:33:58,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:58,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724679921] [2023-11-06 22:33:58,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:58,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:58,508 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:33:58,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906533399] [2023-11-06 22:33:58,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:58,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:33:58,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:58,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:33:58,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:33:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:58,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:33:58,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:33:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:33:58,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:33:58,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:58,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724679921] [2023-11-06 22:33:58,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:33:58,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906533399] [2023-11-06 22:33:58,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906533399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:58,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:58,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:33:58,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885448415] [2023-11-06 22:33:58,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:58,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:33:58,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:58,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:33:58,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:33:58,951 INFO L87 Difference]: Start difference. First operand 114 states and 165 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:33:59,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:33:59,018 INFO L93 Difference]: Finished difference Result 229 states and 332 transitions. [2023-11-06 22:33:59,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:33:59,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2023-11-06 22:33:59,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:33:59,024 INFO L225 Difference]: With dead ends: 229 [2023-11-06 22:33:59,024 INFO L226 Difference]: Without dead ends: 118 [2023-11-06 22:33:59,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 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 22:33:59,028 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 3 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:33:59,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 478 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:33:59,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-06 22:33:59,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2023-11-06 22:33:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3440860215053763) internal successors, (125), 93 states have internal predecessors, (125), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:33:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2023-11-06 22:33:59,054 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 159 [2023-11-06 22:33:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:33:59,057 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2023-11-06 22:33:59,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:33:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2023-11-06 22:33:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:33:59,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:33:59,063 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:59,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:59,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:33:59,271 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:33:59,272 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:59,272 INFO L85 PathProgramCache]: Analyzing trace with hash -653907865, now seen corresponding path program 1 times [2023-11-06 22:33:59,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:59,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204633346] [2023-11-06 22:33:59,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:59,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:59,413 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:33:59,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431297905] [2023-11-06 22:33:59,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:59,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:33:59,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:59,424 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:33:59,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:33:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:59,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:33:59,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:01,391 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:34:01,555 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-06 22:34:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:01,752 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:34:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:01,805 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-06 22:34:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 261 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-06 22:34:01,939 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:34:02,063 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#signed_long_int_Array_0~0.offset| Int) (v_ArrVal_316 (Array Int Int))) (let ((.cse1 (+ 3 |c_~#signed_char_Array_0~0.offset|))) (let ((.cse0 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| (select (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse1))) |c_~#float_Array_0~0.base| v_ArrVal_316))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) .cse1))))) is different from false [2023-11-06 22:34:02,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:02,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204633346] [2023-11-06 22:34:02,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:02,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431297905] [2023-11-06 22:34:02,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431297905] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:34:02,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:34:02,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-06 22:34:02,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368604614] [2023-11-06 22:34:02,127 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:34:02,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:34:02,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:02,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:34:02,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=119, Unknown=5, NotChecked=22, Total=182 [2023-11-06 22:34:02,131 INFO L87 Difference]: Start difference. First operand 116 states and 167 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:34:03,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:03,170 INFO L93 Difference]: Finished difference Result 308 states and 443 transitions. [2023-11-06 22:34:03,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:34:03,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2023-11-06 22:34:03,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:03,176 INFO L225 Difference]: With dead ends: 308 [2023-11-06 22:34:03,177 INFO L226 Difference]: Without dead ends: 195 [2023-11-06 22:34:03,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=249, Unknown=5, NotChecked=34, Total=380 [2023-11-06 22:34:03,187 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 383 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:03,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 537 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:34:03,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-06 22:34:03,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 128. [2023-11-06 22:34:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:34:03,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 185 transitions. [2023-11-06 22:34:03,254 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 185 transitions. Word has length 159 [2023-11-06 22:34:03,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:03,255 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 185 transitions. [2023-11-06 22:34:03,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:34:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 185 transitions. [2023-11-06 22:34:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:34:03,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:03,273 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:03,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:03,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:03,481 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:03,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:03,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1069513730, now seen corresponding path program 1 times [2023-11-06 22:34:03,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:03,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533768840] [2023-11-06 22:34:03,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:03,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:03,590 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:03,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418445345] [2023-11-06 22:34:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:03,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:03,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:34:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:03,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:34:03,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:03,936 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:34:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:03,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:03,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:03,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533768840] [2023-11-06 22:34:03,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:03,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418445345] [2023-11-06 22:34:03,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418445345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:03,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:03,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:34:03,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124581590] [2023-11-06 22:34:03,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:03,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:34:03,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:03,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:34:03,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:34:03,956 INFO L87 Difference]: Start difference. First operand 128 states and 185 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:04,104 INFO L93 Difference]: Finished difference Result 254 states and 368 transitions. [2023-11-06 22:34:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:34:04,106 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 160 [2023-11-06 22:34:04,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:04,111 INFO L225 Difference]: With dead ends: 254 [2023-11-06 22:34:04,111 INFO L226 Difference]: Without dead ends: 129 [2023-11-06 22:34:04,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:34:04,124 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 4 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:04,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 425 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:34:04,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-06 22:34:04,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2023-11-06 22:34:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 105 states have internal predecessors, (141), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:34:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 183 transitions. [2023-11-06 22:34:04,162 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 183 transitions. Word has length 160 [2023-11-06 22:34:04,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:04,164 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 183 transitions. [2023-11-06 22:34:04,164 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 183 transitions. [2023-11-06 22:34:04,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:34:04,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:04,171 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:04,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:04,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-06 22:34:04,379 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:04,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:04,380 INFO L85 PathProgramCache]: Analyzing trace with hash -509049497, now seen corresponding path program 1 times [2023-11-06 22:34:04,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:04,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969555247] [2023-11-06 22:34:04,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:04,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:04,454 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:04,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092118018] [2023-11-06 22:34:04,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:04,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:04,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:04,456 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:04,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:34:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:04,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:34:04,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:05,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:05,949 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-06 22:34:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:06,004 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-06 22:34:06,086 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:34:06,087 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 49 treesize of output 17 [2023-11-06 22:34:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:06,114 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:06,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:06,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969555247] [2023-11-06 22:34:06,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:06,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092118018] [2023-11-06 22:34:06,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092118018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:06,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:06,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:34:06,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013569387] [2023-11-06 22:34:06,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:06,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:34:06,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:06,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:34:06,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:34:06,125 INFO L87 Difference]: Start difference. First operand 128 states and 183 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:07,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:07,106 INFO L93 Difference]: Finished difference Result 326 states and 466 transitions. [2023-11-06 22:34:07,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:34:07,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 160 [2023-11-06 22:34:07,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:07,113 INFO L225 Difference]: With dead ends: 326 [2023-11-06 22:34:07,113 INFO L226 Difference]: Without dead ends: 201 [2023-11-06 22:34:07,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:34:07,115 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 256 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:07,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 577 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:34:07,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-06 22:34:07,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 134. [2023-11-06 22:34:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 111 states have (on average 1.3423423423423424) internal successors, (149), 111 states have internal predecessors, (149), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:34:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 191 transitions. [2023-11-06 22:34:07,148 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 191 transitions. Word has length 160 [2023-11-06 22:34:07,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:07,149 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 191 transitions. [2023-11-06 22:34:07,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 191 transitions. [2023-11-06 22:34:07,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:34:07,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:07,153 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:07,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:07,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:07,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:07,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:07,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1867750286, now seen corresponding path program 1 times [2023-11-06 22:34:07,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:07,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407999905] [2023-11-06 22:34:07,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:07,445 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:07,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418814536] [2023-11-06 22:34:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:07,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:07,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:07,448 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:07,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:34:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:07,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:34:07,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:07,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:07,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:07,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407999905] [2023-11-06 22:34:07,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:07,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418814536] [2023-11-06 22:34:07,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418814536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:07,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:07,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:34:07,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360005184] [2023-11-06 22:34:07,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:07,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:34:07,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:07,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:34:07,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:34:07,794 INFO L87 Difference]: Start difference. First operand 134 states and 191 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:07,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:07,862 INFO L93 Difference]: Finished difference Result 281 states and 402 transitions. [2023-11-06 22:34:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:07,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 161 [2023-11-06 22:34:07,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:07,865 INFO L225 Difference]: With dead ends: 281 [2023-11-06 22:34:07,866 INFO L226 Difference]: Without dead ends: 150 [2023-11-06 22:34:07,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:34:07,868 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 78 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:07,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 612 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:34:07,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-06 22:34:07,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 137. [2023-11-06 22:34:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.3333333333333333) internal successors, (152), 114 states have internal predecessors, (152), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:34:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 194 transitions. [2023-11-06 22:34:07,894 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 194 transitions. Word has length 161 [2023-11-06 22:34:07,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:07,895 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 194 transitions. [2023-11-06 22:34:07,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2023-11-06 22:34:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:34:07,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:07,899 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:07,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:08,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:08,114 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:08,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1799451491, now seen corresponding path program 1 times [2023-11-06 22:34:08,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:08,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130481103] [2023-11-06 22:34:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:08,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:08,185 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:08,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227404085] [2023-11-06 22:34:08,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:08,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:08,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:08,187 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:08,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:34:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:08,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-06 22:34:08,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:10,103 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:34:10,304 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-06 22:34:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:10,561 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:34:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:10,610 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-06 22:34:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:10,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:10,734 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-06 22:34:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 261 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-06 22:34:10,815 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:34:10,932 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_755 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_755) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_756))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) (+ 3 |c_~#signed_char_Array_0~0.offset|))))) is different from false [2023-11-06 22:34:11,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:11,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130481103] [2023-11-06 22:34:11,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:11,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227404085] [2023-11-06 22:34:11,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227404085] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:34:11,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:34:11,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-06 22:34:11,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019453806] [2023-11-06 22:34:11,037 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:34:11,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:34:11,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:11,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:34:11,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=153, Unknown=12, NotChecked=26, Total=240 [2023-11-06 22:34:11,040 INFO L87 Difference]: Start difference. First operand 137 states and 194 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:34:12,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:12,293 INFO L93 Difference]: Finished difference Result 374 states and 525 transitions. [2023-11-06 22:34:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:34:12,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 161 [2023-11-06 22:34:12,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:12,298 INFO L225 Difference]: With dead ends: 374 [2023-11-06 22:34:12,298 INFO L226 Difference]: Without dead ends: 240 [2023-11-06 22:34:12,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=389, Unknown=12, NotChecked=44, Total=600 [2023-11-06 22:34:12,300 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 485 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:12,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 489 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:34:12,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-06 22:34:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 199. [2023-11-06 22:34:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 168 states have internal predecessors, (222), 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 22:34:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 280 transitions. [2023-11-06 22:34:12,323 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 280 transitions. Word has length 161 [2023-11-06 22:34:12,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:12,324 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 280 transitions. [2023-11-06 22:34:12,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:34:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 280 transitions. [2023-11-06 22:34:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:34:12,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:12,328 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:12,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:12,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:12,536 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:12,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:12,536 INFO L85 PathProgramCache]: Analyzing trace with hash -29513315, now seen corresponding path program 1 times [2023-11-06 22:34:12,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:12,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864254076] [2023-11-06 22:34:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:12,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:12,600 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:12,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840920714] [2023-11-06 22:34:12,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:12,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:12,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:12,602 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:12,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:34:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:34:12,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:14,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:14,517 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-06 22:34:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:14,557 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-06 22:34:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:14,652 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-06 22:34:14,685 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:34:14,685 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 49 treesize of output 17 [2023-11-06 22:34:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:14,713 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:14,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:14,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864254076] [2023-11-06 22:34:14,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:14,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840920714] [2023-11-06 22:34:14,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840920714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:14,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:14,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:34:14,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616433352] [2023-11-06 22:34:14,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:14,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:34:14,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:14,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:34:14,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:34:14,718 INFO L87 Difference]: Start difference. First operand 199 states and 280 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:16,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:16,079 INFO L93 Difference]: Finished difference Result 445 states and 623 transitions. [2023-11-06 22:34:16,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:34:16,080 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 162 [2023-11-06 22:34:16,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:16,085 INFO L225 Difference]: With dead ends: 445 [2023-11-06 22:34:16,085 INFO L226 Difference]: Without dead ends: 249 [2023-11-06 22:34:16,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:34:16,087 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 214 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:16,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 693 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:34:16,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-11-06 22:34:16,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 158. [2023-11-06 22:34:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 127 states have internal predecessors, (164), 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 22:34:16,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 222 transitions. [2023-11-06 22:34:16,109 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 222 transitions. Word has length 162 [2023-11-06 22:34:16,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:16,110 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 222 transitions. [2023-11-06 22:34:16,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 222 transitions. [2023-11-06 22:34:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 22:34:16,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:16,114 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:16,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:16,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:16,323 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:16,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1841578175, now seen corresponding path program 1 times [2023-11-06 22:34:16,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:16,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117601389] [2023-11-06 22:34:16,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:16,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:16,368 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:16,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1761647024] [2023-11-06 22:34:16,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:16,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:16,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:16,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:16,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:34:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:16,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:34:16,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:17,553 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-06 22:34:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:17,582 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-06 22:34:17,646 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:34:17,646 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 47 treesize of output 15 [2023-11-06 22:34:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:17,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:17,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:17,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117601389] [2023-11-06 22:34:17,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:17,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761647024] [2023-11-06 22:34:17,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761647024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:17,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:17,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:34:17,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218715737] [2023-11-06 22:34:17,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:17,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:34:17,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:17,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:34:17,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:34:17,664 INFO L87 Difference]: Start difference. First operand 158 states and 222 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:18,228 INFO L93 Difference]: Finished difference Result 363 states and 506 transitions. [2023-11-06 22:34:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:34:18,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2023-11-06 22:34:18,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:18,234 INFO L225 Difference]: With dead ends: 363 [2023-11-06 22:34:18,234 INFO L226 Difference]: Without dead ends: 225 [2023-11-06 22:34:18,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:34:18,238 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 356 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:18,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 338 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:34:18,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-11-06 22:34:18,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 164. [2023-11-06 22:34:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 132 states have (on average 1.303030303030303) internal successors, (172), 133 states have internal predecessors, (172), 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 22:34:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 230 transitions. [2023-11-06 22:34:18,263 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 230 transitions. Word has length 163 [2023-11-06 22:34:18,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:18,269 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 230 transitions. [2023-11-06 22:34:18,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 230 transitions. [2023-11-06 22:34:18,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 22:34:18,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:18,273 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:18,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:18,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:18,480 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:18,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:18,481 INFO L85 PathProgramCache]: Analyzing trace with hash 992749463, now seen corresponding path program 1 times [2023-11-06 22:34:18,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:18,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233887360] [2023-11-06 22:34:18,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:18,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:18,527 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:18,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [874731608] [2023-11-06 22:34:18,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:18,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:18,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:18,529 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:18,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:34:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:18,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:34:18,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:18,860 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:34:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:18,867 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:18,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:18,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233887360] [2023-11-06 22:34:18,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:18,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874731608] [2023-11-06 22:34:18,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874731608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:18,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:18,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:34:18,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481711993] [2023-11-06 22:34:18,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:18,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:18,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:18,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:18,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:18,874 INFO L87 Difference]: Start difference. First operand 164 states and 230 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:18,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:18,906 INFO L93 Difference]: Finished difference Result 325 states and 456 transitions. [2023-11-06 22:34:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:18,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2023-11-06 22:34:18,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:18,909 INFO L225 Difference]: With dead ends: 325 [2023-11-06 22:34:18,909 INFO L226 Difference]: Without dead ends: 181 [2023-11-06 22:34:18,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:18,911 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 27 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:18,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 339 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:34:18,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-06 22:34:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 164. [2023-11-06 22:34:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 133 states have internal predecessors, (171), 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 22:34:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 229 transitions. [2023-11-06 22:34:18,940 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 229 transitions. Word has length 163 [2023-11-06 22:34:18,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:18,945 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 229 transitions. [2023-11-06 22:34:18,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-11-06 22:34:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:34:18,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:18,950 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:18,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:19,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:19,158 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:19,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:19,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1945116095, now seen corresponding path program 1 times [2023-11-06 22:34:19,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:19,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793441648] [2023-11-06 22:34:19,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:19,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:19,204 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:19,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [73667221] [2023-11-06 22:34:19,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:19,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:19,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:19,206 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:19,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:34:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:19,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:34:19,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:20,363 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:34:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:20,530 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:34:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:20,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:20,584 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-06 22:34:20,734 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 22:34:20,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:34:20,831 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1188 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_1188))) (= (mod (select (select .cse0 |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256) (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|)))) is different from false [2023-11-06 22:34:20,844 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#signed_long_int_Array_0~0.offset| Int) (v_ArrVal_1188 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| (mod (select (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256))) |c_~#float_Array_0~0.base| v_ArrVal_1188))) (= (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) (mod (select (select .cse0 |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256)))) is different from false [2023-11-06 22:34:20,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:20,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793441648] [2023-11-06 22:34:20,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:20,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73667221] [2023-11-06 22:34:20,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73667221] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:34:20,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:34:20,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-06 22:34:20,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189431918] [2023-11-06 22:34:20,892 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:34:20,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:34:20,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:20,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:34:20,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=127, Unknown=2, NotChecked=46, Total=210 [2023-11-06 22:34:20,895 INFO L87 Difference]: Start difference. First operand 164 states and 229 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:21,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:21,913 INFO L93 Difference]: Finished difference Result 396 states and 547 transitions. [2023-11-06 22:34:21,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:34:21,914 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 22:34:21,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:21,920 INFO L225 Difference]: With dead ends: 396 [2023-11-06 22:34:21,920 INFO L226 Difference]: Without dead ends: 252 [2023-11-06 22:34:21,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=319, Unknown=2, NotChecked=78, Total=506 [2023-11-06 22:34:21,922 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 343 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:21,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 798 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:34:21,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-06 22:34:21,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 178. [2023-11-06 22:34:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 146 states have (on average 1.3082191780821917) internal successors, (191), 147 states have internal predecessors, (191), 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 22:34:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 249 transitions. [2023-11-06 22:34:21,953 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 249 transitions. Word has length 164 [2023-11-06 22:34:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:21,954 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 249 transitions. [2023-11-06 22:34:21,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-06 22:34:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:34:21,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:21,959 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:21,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:22,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:34:22,168 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:22,168 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:22,170 INFO L85 PathProgramCache]: Analyzing trace with hash 139677761, now seen corresponding path program 1 times [2023-11-06 22:34:22,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:22,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018885352] [2023-11-06 22:34:22,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:22,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:22,232 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:22,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701070208] [2023-11-06 22:34:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:22,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:22,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:22,235 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:22,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:34:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:22,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:34:22,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:23,409 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:34:23,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:23,908 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:34:23,909 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 66 [2023-11-06 22:34:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:24,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:24,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:24,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018885352] [2023-11-06 22:34:24,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:24,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701070208] [2023-11-06 22:34:24,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701070208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:24,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:24,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:34:24,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638284536] [2023-11-06 22:34:24,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:24,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:34:24,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:24,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:34:24,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:34:24,641 INFO L87 Difference]: Start difference. First operand 178 states and 249 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:28,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:34:30,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:34:31,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:31,187 INFO L93 Difference]: Finished difference Result 428 states and 593 transitions. [2023-11-06 22:34:31,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:34:31,190 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 22:34:31,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:31,194 INFO L225 Difference]: With dead ends: 428 [2023-11-06 22:34:31,194 INFO L226 Difference]: Without dead ends: 270 [2023-11-06 22:34:31,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:34:31,196 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 260 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:31,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 694 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1037 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2023-11-06 22:34:31,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-06 22:34:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 194. [2023-11-06 22:34:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 162 states have (on average 1.3209876543209877) internal successors, (214), 163 states have internal predecessors, (214), 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 22:34:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 272 transitions. [2023-11-06 22:34:31,223 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 272 transitions. Word has length 164 [2023-11-06 22:34:31,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:31,224 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 272 transitions. [2023-11-06 22:34:31,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 272 transitions. [2023-11-06 22:34:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:34:31,229 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:31,229 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:31,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:31,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:34:31,437 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:31,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:31,437 INFO L85 PathProgramCache]: Analyzing trace with hash -871439489, now seen corresponding path program 1 times [2023-11-06 22:34:31,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:31,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807241537] [2023-11-06 22:34:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:31,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:31,477 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:31,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419970368] [2023-11-06 22:34:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:31,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:31,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:31,479 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:31,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:34:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:31,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:34:31,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:32,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:32,427 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-06 22:34:32,492 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:34:32,493 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 36 treesize of output 12 [2023-11-06 22:34:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:32,506 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:32,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:32,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807241537] [2023-11-06 22:34:32,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:32,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419970368] [2023-11-06 22:34:32,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419970368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:32,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:32,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:34:32,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533185410] [2023-11-06 22:34:32,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:32,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:34:32,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:32,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:34:32,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:34:32,511 INFO L87 Difference]: Start difference. First operand 194 states and 272 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:33,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:33,227 INFO L93 Difference]: Finished difference Result 446 states and 618 transitions. [2023-11-06 22:34:33,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:34:33,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 22:34:33,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:33,231 INFO L225 Difference]: With dead ends: 446 [2023-11-06 22:34:33,231 INFO L226 Difference]: Without dead ends: 272 [2023-11-06 22:34:33,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:34:33,233 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 197 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:33,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 556 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:34:33,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-11-06 22:34:33,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 194. [2023-11-06 22:34:33,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 162 states have (on average 1.3148148148148149) internal successors, (213), 163 states have internal predecessors, (213), 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 22:34:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 271 transitions. [2023-11-06 22:34:33,255 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 271 transitions. Word has length 164 [2023-11-06 22:34:33,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:33,257 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 271 transitions. [2023-11-06 22:34:33,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 271 transitions. [2023-11-06 22:34:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:34:33,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:33,259 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:33,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:33,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:33,472 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:33,472 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:33,473 INFO L85 PathProgramCache]: Analyzing trace with hash 201717375, now seen corresponding path program 1 times [2023-11-06 22:34:33,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:33,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578371082] [2023-11-06 22:34:33,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:33,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:33,508 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:33,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461062416] [2023-11-06 22:34:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:33,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:33,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:33,510 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:33,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:34:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:33,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:34:33,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:34,418 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2023-11-06 22:34:34,460 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:34:34,461 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 34 treesize of output 10 [2023-11-06 22:34:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:34,472 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:34,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:34,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578371082] [2023-11-06 22:34:34,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:34,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461062416] [2023-11-06 22:34:34,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461062416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:34,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:34,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:34:34,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577828657] [2023-11-06 22:34:34,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:34,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:34:34,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:34,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:34:34,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:34:34,475 INFO L87 Difference]: Start difference. First operand 194 states and 271 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:35,483 INFO L93 Difference]: Finished difference Result 502 states and 693 transitions. [2023-11-06 22:34:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:34:35,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 22:34:35,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:35,487 INFO L225 Difference]: With dead ends: 502 [2023-11-06 22:34:35,487 INFO L226 Difference]: Without dead ends: 328 [2023-11-06 22:34:35,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:34:35,489 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 213 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:35,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 594 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:34:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2023-11-06 22:34:35,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 201. [2023-11-06 22:34:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 169 states have (on average 1.3136094674556213) internal successors, (222), 170 states have internal predecessors, (222), 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 22:34:35,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 280 transitions. [2023-11-06 22:34:35,509 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 280 transitions. Word has length 164 [2023-11-06 22:34:35,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:35,510 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 280 transitions. [2023-11-06 22:34:35,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 280 transitions. [2023-11-06 22:34:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:34:35,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:35,512 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:35,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:35,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:35,719 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:35,720 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:35,720 INFO L85 PathProgramCache]: Analyzing trace with hash -809399875, now seen corresponding path program 1 times [2023-11-06 22:34:35,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:35,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262119817] [2023-11-06 22:34:35,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:35,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:35,755 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:35,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [492576075] [2023-11-06 22:34:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:35,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:35,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:35,757 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:35,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:34:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:36,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:34:36,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:36,694 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:34:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:37,345 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:34:37,346 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 66 [2023-11-06 22:34:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:37,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:37,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:37,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262119817] [2023-11-06 22:34:37,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:37,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492576075] [2023-11-06 22:34:37,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492576075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:37,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:37,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:34:37,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926220164] [2023-11-06 22:34:37,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:37,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:34:37,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:37,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:34:37,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:34:37,952 INFO L87 Difference]: Start difference. First operand 201 states and 280 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:41,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:34:41,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:41,973 INFO L93 Difference]: Finished difference Result 426 states and 589 transitions. [2023-11-06 22:34:41,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:34:41,975 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 22:34:41,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:41,977 INFO L225 Difference]: With dead ends: 426 [2023-11-06 22:34:41,977 INFO L226 Difference]: Without dead ends: 245 [2023-11-06 22:34:41,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:34:41,979 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 286 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:41,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 468 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 630 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2023-11-06 22:34:41,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-11-06 22:34:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 201. [2023-11-06 22:34:41,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 169 states have (on average 1.3136094674556213) internal successors, (222), 170 states have internal predecessors, (222), 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 22:34:41,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 280 transitions. [2023-11-06 22:34:42,000 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 280 transitions. Word has length 164 [2023-11-06 22:34:42,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:42,000 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 280 transitions. [2023-11-06 22:34:42,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 280 transitions. [2023-11-06 22:34:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:34:42,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:42,002 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:42,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:42,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:34:42,210 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:42,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1171534917, now seen corresponding path program 1 times [2023-11-06 22:34:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:42,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286816918] [2023-11-06 22:34:42,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:42,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:42,252 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:42,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619778080] [2023-11-06 22:34:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:42,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:42,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:42,254 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:42,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:34:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:42,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:34:42,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:42,643 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:42,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:42,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286816918] [2023-11-06 22:34:42,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:42,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619778080] [2023-11-06 22:34:42,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619778080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:42,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:42,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:34:42,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521874398] [2023-11-06 22:34:42,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:42,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:34:42,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:42,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:34:42,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:34:42,646 INFO L87 Difference]: Start difference. First operand 201 states and 280 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:42,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:42,904 INFO L93 Difference]: Finished difference Result 413 states and 576 transitions. [2023-11-06 22:34:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:34:42,905 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2023-11-06 22:34:42,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:42,907 INFO L225 Difference]: With dead ends: 413 [2023-11-06 22:34:42,907 INFO L226 Difference]: Without dead ends: 232 [2023-11-06 22:34:42,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:34:42,909 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 124 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:42,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 938 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:34:42,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-06 22:34:42,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 203. [2023-11-06 22:34:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 171 states have (on average 1.3099415204678362) internal successors, (224), 172 states have internal predecessors, (224), 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 22:34:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 282 transitions. [2023-11-06 22:34:42,931 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 282 transitions. Word has length 165 [2023-11-06 22:34:42,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:42,932 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 282 transitions. [2023-11-06 22:34:42,932 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 282 transitions. [2023-11-06 22:34:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:34:42,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:42,934 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:42,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:43,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:34:43,142 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:43,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:43,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1429700355, now seen corresponding path program 1 times [2023-11-06 22:34:43,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:43,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453678060] [2023-11-06 22:34:43,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:43,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:43,178 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:43,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628440795] [2023-11-06 22:34:43,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:43,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:43,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:43,180 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:43,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:34:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:43,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:34:43,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:43,560 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 21 treesize of output 9 [2023-11-06 22:34:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:43,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:43,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:43,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453678060] [2023-11-06 22:34:43,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:43,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628440795] [2023-11-06 22:34:43,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628440795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:43,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:43,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:34:43,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582416648] [2023-11-06 22:34:43,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:43,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:34:43,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:43,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:34:43,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:34:43,577 INFO L87 Difference]: Start difference. First operand 203 states and 282 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:43,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:43,989 INFO L93 Difference]: Finished difference Result 491 states and 674 transitions. [2023-11-06 22:34:43,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:43,992 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2023-11-06 22:34:43,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:43,995 INFO L225 Difference]: With dead ends: 491 [2023-11-06 22:34:43,995 INFO L226 Difference]: Without dead ends: 308 [2023-11-06 22:34:43,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:34:43,997 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 126 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:44,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 581 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:34:44,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-11-06 22:34:44,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 232. [2023-11-06 22:34:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 200 states have (on average 1.295) internal successors, (259), 201 states have internal predecessors, (259), 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 22:34:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 317 transitions. [2023-11-06 22:34:44,034 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 317 transitions. Word has length 165 [2023-11-06 22:34:44,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:44,034 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 317 transitions. [2023-11-06 22:34:44,034 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 317 transitions. [2023-11-06 22:34:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:34:44,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:44,036 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:44,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:44,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:34:44,244 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:44,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:44,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1977320943, now seen corresponding path program 1 times [2023-11-06 22:34:44,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:44,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201879923] [2023-11-06 22:34:44,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:44,278 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:44,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1045911309] [2023-11-06 22:34:44,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:44,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:44,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:44,280 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:44,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:34:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:44,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:34:44,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:44,773 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 22:34:45,123 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 22:34:45,405 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 22:34:45,662 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 22:34:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:45,923 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:46,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:46,101 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:46,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:46,278 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:46,498 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:46,707 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:46,916 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:47,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:47,095 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:47,355 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:47,386 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:34:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-06 22:34:47,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:34:47,485 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1904 (Array Int Int))) (< 0 (mod (select (select (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_1904) |c_~#BOOL_unsigned_char_Array_0~0.base|) (+ 1 |c_~#BOOL_unsigned_char_Array_0~0.offset|)) 256))) is different from false [2023-11-06 22:34:47,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:47,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201879923] [2023-11-06 22:34:47,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:47,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045911309] [2023-11-06 22:34:47,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045911309] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:34:47,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:34:47,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-06 22:34:47,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748933076] [2023-11-06 22:34:47,560 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:34:47,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:34:47,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:47,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:34:47,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=83, Unknown=3, NotChecked=20, Total=156 [2023-11-06 22:34:47,562 INFO L87 Difference]: Start difference. First operand 232 states and 317 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-06 22:34:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:48,190 INFO L93 Difference]: Finished difference Result 619 states and 848 transitions. [2023-11-06 22:34:48,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:34:48,191 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 165 [2023-11-06 22:34:48,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:48,194 INFO L225 Difference]: With dead ends: 619 [2023-11-06 22:34:48,194 INFO L226 Difference]: Without dead ends: 407 [2023-11-06 22:34:48,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=95, Unknown=3, NotChecked=22, Total=182 [2023-11-06 22:34:48,196 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 202 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:48,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 490 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:34:48,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-11-06 22:34:48,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 393. [2023-11-06 22:34:48,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 338 states have (on average 1.2899408284023668) internal successors, (436), 339 states have internal predecessors, (436), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-06 22:34:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 536 transitions. [2023-11-06 22:34:48,257 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 536 transitions. Word has length 165 [2023-11-06 22:34:48,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:48,257 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 536 transitions. [2023-11-06 22:34:48,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-06 22:34:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 536 transitions. [2023-11-06 22:34:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:34:48,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:48,260 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:48,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:48,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:34:48,464 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:48,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:48,464 INFO L85 PathProgramCache]: Analyzing trace with hash 295934453, now seen corresponding path program 1 times [2023-11-06 22:34:48,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:48,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323264221] [2023-11-06 22:34:48,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:48,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:48,497 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:48,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1553627367] [2023-11-06 22:34:48,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:48,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:48,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:48,499 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:48,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:34:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:48,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:34:48,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:50,054 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-06 22:34:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:50,110 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-06 22:34:50,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:50,188 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-06 22:34:50,216 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:34:50,216 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 47 treesize of output 15 [2023-11-06 22:34:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:50,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:50,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323264221] [2023-11-06 22:34:50,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:50,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553627367] [2023-11-06 22:34:50,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553627367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:50,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:50,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:34:50,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767150763] [2023-11-06 22:34:50,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:50,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:34:50,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:50,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:34:50,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:34:50,241 INFO L87 Difference]: Start difference. First operand 393 states and 536 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:51,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:51,089 INFO L93 Difference]: Finished difference Result 885 states and 1195 transitions. [2023-11-06 22:34:51,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:51,090 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2023-11-06 22:34:51,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:51,094 INFO L225 Difference]: With dead ends: 885 [2023-11-06 22:34:51,094 INFO L226 Difference]: Without dead ends: 512 [2023-11-06 22:34:51,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:34:51,096 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 293 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:51,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 388 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:34:51,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-11-06 22:34:51,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 366. [2023-11-06 22:34:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 319 states have (on average 1.29153605015674) internal successors, (412), 319 states have internal predecessors, (412), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:34:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 496 transitions. [2023-11-06 22:34:51,141 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 496 transitions. Word has length 165 [2023-11-06 22:34:51,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:51,142 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 496 transitions. [2023-11-06 22:34:51,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 496 transitions. [2023-11-06 22:34:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:34:51,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:51,145 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:51,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:51,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:51,353 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:51,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:51,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1011627765, now seen corresponding path program 1 times [2023-11-06 22:34:51,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:51,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377800704] [2023-11-06 22:34:51,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:51,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:51,391 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:51,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493420928] [2023-11-06 22:34:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:51,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:51,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:51,393 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:51,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:34:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:51,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-06 22:34:51,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:52,808 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:34:53,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:53,016 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:34:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:53,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:53,057 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-06 22:34:53,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:53,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:53,157 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-06 22:34:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 22:34:53,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:34:53,666 WARN L839 $PredicateComparison]: unable to prove that (forall ((|~#signed_long_int_Array_0~0.offset| Int) (v_ArrVal_2136 (Array Int Int)) (v_ArrVal_2135 (Array Int Int))) (let ((.cse0 (store (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset| (mod (select (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256))) |c_~#float_Array_0~0.base| v_ArrVal_2135) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_2136))) (= (mod (select (select .cse0 |c_~#unsigned_char_Array_0~0.base|) |c_~#unsigned_char_Array_0~0.offset|) 256) (select (select .cse0 |c_~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|)))) is different from false [2023-11-06 22:34:53,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:53,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377800704] [2023-11-06 22:34:53,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:53,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493420928] [2023-11-06 22:34:53,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493420928] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:34:53,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:34:53,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-06 22:34:53,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581773925] [2023-11-06 22:34:53,725 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:34:53,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:34:53,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:53,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:34:53,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=181, Unknown=18, NotChecked=28, Total=272 [2023-11-06 22:34:53,727 INFO L87 Difference]: Start difference. First operand 366 states and 496 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:55,193 INFO L93 Difference]: Finished difference Result 956 states and 1281 transitions. [2023-11-06 22:34:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:34:55,193 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2023-11-06 22:34:55,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:55,200 INFO L225 Difference]: With dead ends: 956 [2023-11-06 22:34:55,200 INFO L226 Difference]: Without dead ends: 593 [2023-11-06 22:34:55,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=160, Invalid=526, Unknown=20, NotChecked=50, Total=756 [2023-11-06 22:34:55,205 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 364 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:55,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 732 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:34:55,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-11-06 22:34:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 372. [2023-11-06 22:34:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 325 states have (on average 1.2953846153846154) internal successors, (421), 325 states have internal predecessors, (421), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:34:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 505 transitions. [2023-11-06 22:34:55,263 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 505 transitions. Word has length 166 [2023-11-06 22:34:55,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:55,265 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 505 transitions. [2023-11-06 22:34:55,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:34:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 505 transitions. [2023-11-06 22:34:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:34:55,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:55,268 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:55,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:34:55,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:55,476 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:34:55,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:55,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1152176375, now seen corresponding path program 1 times [2023-11-06 22:34:55,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:55,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727054550] [2023-11-06 22:34:55,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:55,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:55,510 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:34:55,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552252441] [2023-11-06 22:34:55,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:55,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:55,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:55,512 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:55,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:34:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:55,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-06 22:34:55,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:34:56,798 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:34:57,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:57,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:57,326 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:34:57,326 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 66 [2023-11-06 22:34:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:34:57,773 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:34:57,774 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 66 [2023-11-06 22:34:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:34:58,240 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:34:58,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:58,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727054550] [2023-11-06 22:34:58,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:34:58,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552252441] [2023-11-06 22:34:58,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552252441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:58,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:58,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:34:58,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887766323] [2023-11-06 22:34:58,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:58,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:34:58,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:58,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:34:58,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:34:58,242 INFO L87 Difference]: Start difference. First operand 372 states and 505 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:01,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:35:03,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:35:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:05,094 INFO L93 Difference]: Finished difference Result 971 states and 1305 transitions. [2023-11-06 22:35:05,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:35:05,101 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2023-11-06 22:35:05,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:05,106 INFO L225 Difference]: With dead ends: 971 [2023-11-06 22:35:05,106 INFO L226 Difference]: Without dead ends: 602 [2023-11-06 22:35:05,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:35:05,110 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 349 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 31 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:05,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 522 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 800 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2023-11-06 22:35:05,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2023-11-06 22:35:05,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 391. [2023-11-06 22:35:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 344 states have (on average 1.302325581395349) internal successors, (448), 344 states have internal predecessors, (448), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:05,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 532 transitions. [2023-11-06 22:35:05,176 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 532 transitions. Word has length 166 [2023-11-06 22:35:05,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:05,177 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 532 transitions. [2023-11-06 22:35:05,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 532 transitions. [2023-11-06 22:35:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:35:05,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:05,180 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:05,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:05,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-06 22:35:05,383 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:05,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:05,384 INFO L85 PathProgramCache]: Analyzing trace with hash 141059125, now seen corresponding path program 1 times [2023-11-06 22:35:05,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:05,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353242275] [2023-11-06 22:35:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:05,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:05,430 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:05,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073593402] [2023-11-06 22:35:05,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:05,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:05,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:05,432 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:05,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 22:35:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:05,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:35:05,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:06,800 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-06 22:35:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:06,875 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-06 22:35:06,905 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:35:06,906 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 36 treesize of output 12 [2023-11-06 22:35:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:35:06,939 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:35:06,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:06,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353242275] [2023-11-06 22:35:06,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:06,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073593402] [2023-11-06 22:35:06,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073593402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:35:06,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:35:06,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:35:06,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947719590] [2023-11-06 22:35:06,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:06,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:35:06,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:06,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:35:06,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:35:06,942 INFO L87 Difference]: Start difference. First operand 391 states and 532 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:07,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:07,922 INFO L93 Difference]: Finished difference Result 990 states and 1332 transitions. [2023-11-06 22:35:07,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:35:07,923 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2023-11-06 22:35:07,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:07,932 INFO L225 Difference]: With dead ends: 990 [2023-11-06 22:35:07,932 INFO L226 Difference]: Without dead ends: 602 [2023-11-06 22:35:07,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:35:07,935 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 348 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:07,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 446 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:35:07,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2023-11-06 22:35:07,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 378. [2023-11-06 22:35:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 331 states have (on average 1.299093655589124) internal successors, (430), 331 states have internal predecessors, (430), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:08,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 514 transitions. [2023-11-06 22:35:08,001 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 514 transitions. Word has length 166 [2023-11-06 22:35:08,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:08,002 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 514 transitions. [2023-11-06 22:35:08,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 514 transitions. [2023-11-06 22:35:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:35:08,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:08,005 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:08,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:08,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:08,213 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:08,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:08,213 INFO L85 PathProgramCache]: Analyzing trace with hash 642703285, now seen corresponding path program 1 times [2023-11-06 22:35:08,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:08,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840023217] [2023-11-06 22:35:08,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:08,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:08,244 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:08,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143676613] [2023-11-06 22:35:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:08,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:08,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:08,246 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-06 22:35:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:08,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:35:08,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:09,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:09,590 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2023-11-06 22:35:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:09,667 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2023-11-06 22:35:09,693 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:35:09,693 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 34 treesize of output 10 [2023-11-06 22:35:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:35:09,706 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:35:09,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:09,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840023217] [2023-11-06 22:35:09,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:09,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143676613] [2023-11-06 22:35:09,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143676613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:35:09,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:35:09,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:35:09,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741240239] [2023-11-06 22:35:09,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:09,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:35:09,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:09,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:35:09,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:35:09,710 INFO L87 Difference]: Start difference. First operand 378 states and 514 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:11,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:11,170 INFO L93 Difference]: Finished difference Result 1040 states and 1394 transitions. [2023-11-06 22:35:11,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:35:11,171 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2023-11-06 22:35:11,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:11,176 INFO L225 Difference]: With dead ends: 1040 [2023-11-06 22:35:11,176 INFO L226 Difference]: Without dead ends: 665 [2023-11-06 22:35:11,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:35:11,178 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 233 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:11,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 668 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:35:11,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2023-11-06 22:35:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 378. [2023-11-06 22:35:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 331 states have (on average 1.2900302114803626) internal successors, (427), 331 states have internal predecessors, (427), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 511 transitions. [2023-11-06 22:35:11,230 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 511 transitions. Word has length 166 [2023-11-06 22:35:11,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:11,231 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 511 transitions. [2023-11-06 22:35:11,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 511 transitions. [2023-11-06 22:35:11,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:35:11,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:11,233 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:11,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:11,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-06 22:35:11,441 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:11,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:11,442 INFO L85 PathProgramCache]: Analyzing trace with hash -368413965, now seen corresponding path program 1 times [2023-11-06 22:35:11,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:11,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473870140] [2023-11-06 22:35:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:11,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:11,475 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:11,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819491604] [2023-11-06 22:35:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:11,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:11,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:11,477 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:11,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-06 22:35:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:11,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-06 22:35:11,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:12,941 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:35:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:13,670 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:35:13,670 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 66 [2023-11-06 22:35:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:14,397 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:35:14,398 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 66 [2023-11-06 22:35:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:35:14,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:35:14,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:14,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473870140] [2023-11-06 22:35:14,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:14,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819491604] [2023-11-06 22:35:14,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819491604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:35:14,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:35:14,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:35:14,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106001607] [2023-11-06 22:35:14,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:14,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:35:14,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:14,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:35:14,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:35:14,887 INFO L87 Difference]: Start difference. First operand 378 states and 511 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:18,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:35:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:20,287 INFO L93 Difference]: Finished difference Result 868 states and 1164 transitions. [2023-11-06 22:35:20,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:35:20,288 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2023-11-06 22:35:20,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:20,291 INFO L225 Difference]: With dead ends: 868 [2023-11-06 22:35:20,292 INFO L226 Difference]: Without dead ends: 493 [2023-11-06 22:35:20,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:35:20,294 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 254 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:20,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 638 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1091 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2023-11-06 22:35:20,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2023-11-06 22:35:20,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 350. [2023-11-06 22:35:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 303 states have (on average 1.2904290429042904) internal successors, (391), 303 states have internal predecessors, (391), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 475 transitions. [2023-11-06 22:35:20,348 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 475 transitions. Word has length 166 [2023-11-06 22:35:20,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:20,349 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 475 transitions. [2023-11-06 22:35:20,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 475 transitions. [2023-11-06 22:35:20,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 22:35:20,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:20,352 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:20,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:20,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:20,560 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:20,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:20,560 INFO L85 PathProgramCache]: Analyzing trace with hash -734632781, now seen corresponding path program 1 times [2023-11-06 22:35:20,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:20,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431879546] [2023-11-06 22:35:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:20,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:20,598 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:20,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925990655] [2023-11-06 22:35:20,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:20,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:20,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:20,600 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:20,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-06 22:35:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:20,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:35:20,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:21,008 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 17 treesize of output 17 [2023-11-06 22:35:21,035 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:35:21,035 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 58 treesize of output 28 [2023-11-06 22:35:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:35:21,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:35:21,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:21,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431879546] [2023-11-06 22:35:21,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:21,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925990655] [2023-11-06 22:35:21,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925990655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:35:21,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:35:21,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:35:21,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255689242] [2023-11-06 22:35:21,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:21,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:35:21,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:21,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:35:21,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:35:21,076 INFO L87 Difference]: Start difference. First operand 350 states and 475 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:21,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:21,650 INFO L93 Difference]: Finished difference Result 887 states and 1196 transitions. [2023-11-06 22:35:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:35:21,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2023-11-06 22:35:21,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:21,660 INFO L225 Difference]: With dead ends: 887 [2023-11-06 22:35:21,660 INFO L226 Difference]: Without dead ends: 540 [2023-11-06 22:35:21,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:35:21,662 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 274 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:21,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 966 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:35:21,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2023-11-06 22:35:21,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 392. [2023-11-06 22:35:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 345 states have (on average 1.2782608695652173) internal successors, (441), 345 states have internal predecessors, (441), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:21,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 525 transitions. [2023-11-06 22:35:21,723 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 525 transitions. Word has length 167 [2023-11-06 22:35:21,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:21,724 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 525 transitions. [2023-11-06 22:35:21,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 525 transitions. [2023-11-06 22:35:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 22:35:21,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:21,727 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:21,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:21,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-06 22:35:21,936 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:21,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:21,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1282253369, now seen corresponding path program 1 times [2023-11-06 22:35:21,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:21,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670141089] [2023-11-06 22:35:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:21,977 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:21,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772917204] [2023-11-06 22:35:21,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:21,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:21,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:21,979 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:21,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-06 22:35:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:22,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:35:22,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:22,416 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 28 treesize of output 16 [2023-11-06 22:35:22,429 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 22 treesize of output 10 [2023-11-06 22:35:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:35:22,449 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:35:22,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:22,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670141089] [2023-11-06 22:35:22,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:22,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772917204] [2023-11-06 22:35:22,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772917204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:35:22,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:35:22,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:35:22,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345408776] [2023-11-06 22:35:22,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:22,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:35:22,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:22,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:35:22,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:35:22,453 INFO L87 Difference]: Start difference. First operand 392 states and 525 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:22,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:22,875 INFO L93 Difference]: Finished difference Result 824 states and 1103 transitions. [2023-11-06 22:35:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:35:22,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2023-11-06 22:35:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:22,879 INFO L225 Difference]: With dead ends: 824 [2023-11-06 22:35:22,880 INFO L226 Difference]: Without dead ends: 435 [2023-11-06 22:35:22,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:35:22,882 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 97 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:22,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 490 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:35:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-11-06 22:35:22,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 392. [2023-11-06 22:35:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 345 states have (on average 1.2666666666666666) internal successors, (437), 345 states have internal predecessors, (437), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 521 transitions. [2023-11-06 22:35:22,947 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 521 transitions. Word has length 167 [2023-11-06 22:35:22,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:22,947 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 521 transitions. [2023-11-06 22:35:22,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:22,948 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 521 transitions. [2023-11-06 22:35:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 22:35:22,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:22,949 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:22,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:23,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-06 22:35:23,157 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:23,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:23,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1871390773, now seen corresponding path program 1 times [2023-11-06 22:35:23,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:23,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028722986] [2023-11-06 22:35:23,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:23,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:23,195 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:23,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17075866] [2023-11-06 22:35:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:23,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:23,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:23,198 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:23,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-06 22:35:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:23,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-06 22:35:23,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:24,448 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:35:24,566 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:35:24,684 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:35:24,823 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-06 22:35:25,048 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-06 22:35:25,059 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-06 22:35:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:27,384 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:35:27,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 69 [2023-11-06 22:35:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:35:27,856 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:35:27,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:27,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028722986] [2023-11-06 22:35:27,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:27,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17075866] [2023-11-06 22:35:27,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17075866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:35:27,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:35:27,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:35:27,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916766868] [2023-11-06 22:35:27,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:35:27,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:35:27,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:27,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:35:27,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:35:27,860 INFO L87 Difference]: Start difference. First operand 392 states and 521 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:33,487 INFO L93 Difference]: Finished difference Result 815 states and 1084 transitions. [2023-11-06 22:35:33,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:35:33,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2023-11-06 22:35:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:33,490 INFO L225 Difference]: With dead ends: 815 [2023-11-06 22:35:33,491 INFO L226 Difference]: Without dead ends: 426 [2023-11-06 22:35:33,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:35:33,492 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 216 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:33,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 462 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-06 22:35:33,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-11-06 22:35:33,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 378. [2023-11-06 22:35:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 331 states have (on average 1.2658610271903323) internal successors, (419), 331 states have internal predecessors, (419), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 503 transitions. [2023-11-06 22:35:33,555 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 503 transitions. Word has length 167 [2023-11-06 22:35:33,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:33,556 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 503 transitions. [2023-11-06 22:35:33,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:35:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 503 transitions. [2023-11-06 22:35:33,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:35:33,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:33,559 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:33,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:33,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-06 22:35:33,770 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:33,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:33,771 INFO L85 PathProgramCache]: Analyzing trace with hash 849014249, now seen corresponding path program 1 times [2023-11-06 22:35:33,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:33,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523963231] [2023-11-06 22:35:33,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:33,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:33,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:33,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [815535714] [2023-11-06 22:35:33,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:33,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:33,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:33,843 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:33,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-06 22:35:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:34,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-06 22:35:34,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:34,945 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-06 22:35:35,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:35,228 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:35,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:35,404 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:35,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:35,562 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:35,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:35,799 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:35,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:35,991 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:36,206 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:36,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:36,387 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:36,641 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:36,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:36,674 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 22:35:36,718 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 41 treesize of output 23 [2023-11-06 22:35:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 21 proven. 600 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-11-06 22:35:36,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:35:36,838 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3025 (Array Int Int)) (v_ArrVal_3026 (Array Int Int))) (= (mod (select (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_3025) |c_~#float_Array_0~0.base| v_ArrVal_3026) |c_~#BOOL_unsigned_char_Array_0~0.base|) (+ 5 |c_~#BOOL_unsigned_char_Array_0~0.offset|)) 256) 0)) is different from false [2023-11-06 22:35:36,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:36,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523963231] [2023-11-06 22:35:36,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:36,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815535714] [2023-11-06 22:35:36,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815535714] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:35:36,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:35:36,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-11-06 22:35:36,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615037307] [2023-11-06 22:35:36,876 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:35:36,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:35:36,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:36,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:35:36,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=181, Unknown=2, NotChecked=28, Total=272 [2023-11-06 22:35:36,878 INFO L87 Difference]: Start difference. First operand 378 states and 503 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2023-11-06 22:35:38,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:38,025 INFO L93 Difference]: Finished difference Result 608 states and 802 transitions. [2023-11-06 22:35:38,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:35:38,026 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 169 [2023-11-06 22:35:38,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:38,029 INFO L225 Difference]: With dead ends: 608 [2023-11-06 22:35:38,029 INFO L226 Difference]: Without dead ends: 398 [2023-11-06 22:35:38,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=364, Unknown=2, NotChecked=42, Total=552 [2023-11-06 22:35:38,030 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 134 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:38,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 350 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:35:38,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-06 22:35:38,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 386. [2023-11-06 22:35:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 337 states have (on average 1.2492581602373887) internal successors, (421), 337 states have internal predecessors, (421), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:38,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 505 transitions. [2023-11-06 22:35:38,081 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 505 transitions. Word has length 169 [2023-11-06 22:35:38,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:38,081 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 505 transitions. [2023-11-06 22:35:38,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2023-11-06 22:35:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 505 transitions. [2023-11-06 22:35:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:35:38,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:38,084 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:38,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:38,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-06 22:35:38,292 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:38,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:38,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1693916829, now seen corresponding path program 1 times [2023-11-06 22:35:38,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:38,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044371641] [2023-11-06 22:35:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:38,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:38,346 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:38,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396054796] [2023-11-06 22:35:38,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:38,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:38,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:38,352 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:38,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-06 22:35:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:38,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-06 22:35:38,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:39,525 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-06 22:35:39,843 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-06 22:35:40,165 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:40,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:40,393 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:40,591 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:40,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:40,853 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:41,104 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:41,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:41,354 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:41,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:41,578 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:41,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:41,895 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:41,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:35:41,951 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:35:42,015 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-06 22:35:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 61 proven. 612 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-06 22:35:42,041 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:35:42,144 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3149 (Array Int Int)) (v_ArrVal_3150 (Array Int Int))) (= (mod (select (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_3149) |c_~#float_Array_0~0.base| v_ArrVal_3150) |c_~#BOOL_unsigned_char_Array_0~0.base|) (+ 4 |c_~#BOOL_unsigned_char_Array_0~0.offset|)) 256) 0)) is different from false [2023-11-06 22:35:42,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:35:42,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044371641] [2023-11-06 22:35:42,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:35:42,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396054796] [2023-11-06 22:35:42,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396054796] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:35:42,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:35:42,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-11-06 22:35:42,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064487512] [2023-11-06 22:35:42,177 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:35:42,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:35:42,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:35:42,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:35:42,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=152, Unknown=2, NotChecked=26, Total=240 [2023-11-06 22:35:42,179 INFO L87 Difference]: Start difference. First operand 386 states and 505 transitions. Second operand has 13 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 6 states have call successors, (21), 5 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 6 states have call successors, (21) [2023-11-06 22:35:43,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:35:43,042 INFO L93 Difference]: Finished difference Result 624 states and 807 transitions. [2023-11-06 22:35:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:35:43,043 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 6 states have call successors, (21), 5 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 6 states have call successors, (21) Word has length 171 [2023-11-06 22:35:43,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:35:43,046 INFO L225 Difference]: With dead ends: 624 [2023-11-06 22:35:43,046 INFO L226 Difference]: Without dead ends: 410 [2023-11-06 22:35:43,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=293, Unknown=2, NotChecked=38, Total=462 [2023-11-06 22:35:43,048 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 115 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:35:43,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 283 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:35:43,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-11-06 22:35:43,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 394. [2023-11-06 22:35:43,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 343 states have (on average 1.2332361516034986) internal successors, (423), 343 states have internal predecessors, (423), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:35:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 507 transitions. [2023-11-06 22:35:43,108 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 507 transitions. Word has length 171 [2023-11-06 22:35:43,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:35:43,108 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 507 transitions. [2023-11-06 22:35:43,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 6 states have call successors, (21), 5 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 6 states have call successors, (21) [2023-11-06 22:35:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 507 transitions. [2023-11-06 22:35:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:35:43,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:35:43,110 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:43,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:43,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-06 22:35:43,318 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:35:43,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:43,319 INFO L85 PathProgramCache]: Analyzing trace with hash 795612133, now seen corresponding path program 1 times [2023-11-06 22:35:43,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:43,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156214651] [2023-11-06 22:35:43,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:43,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:43,355 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:35:43,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356975324] [2023-11-06 22:35:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:43,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:43,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:43,357 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:35:43,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-06 22:35:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:43,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:35:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:44,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:35:44,411 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:35:44,412 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:35:44,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:44,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:35:44,626 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:35:44,629 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:35:44,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:35:44 BoogieIcfgContainer [2023-11-06 22:35:44,804 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:35:44,805 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:35:44,805 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:35:44,806 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:35:44,806 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:56" (3/4) ... [2023-11-06 22:35:44,808 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:35:44,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:35:44,810 INFO L158 Benchmark]: Toolchain (without parser) took 109848.43ms. Allocated memory was 172.0MB in the beginning and 360.7MB in the end (delta: 188.7MB). Free memory was 106.5MB in the beginning and 109.6MB in the end (delta: -3.2MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. [2023-11-06 22:35:44,811 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:44,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.50ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 91.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:35:44,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.29ms. Allocated memory is still 172.0MB. Free memory was 91.2MB in the beginning and 87.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:35:44,812 INFO L158 Benchmark]: Boogie Preprocessor took 82.19ms. Allocated memory is still 172.0MB. Free memory was 87.0MB in the beginning and 83.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:35:44,812 INFO L158 Benchmark]: RCFGBuilder took 1140.14ms. Allocated memory is still 172.0MB. Free memory was 83.7MB in the beginning and 124.3MB in the end (delta: -40.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-06 22:35:44,813 INFO L158 Benchmark]: TraceAbstraction took 108076.64ms. Allocated memory was 172.0MB in the beginning and 360.7MB in the end (delta: 188.7MB). Free memory was 123.5MB in the beginning and 109.6MB in the end (delta: 13.9MB). Peak memory consumption was 204.9MB. Max. memory is 16.1GB. [2023-11-06 22:35:44,813 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 360.7MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:44,815 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.50ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 91.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.29ms. Allocated memory is still 172.0MB. Free memory was 91.2MB in the beginning and 87.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.19ms. Allocated memory is still 172.0MB. Free memory was 87.0MB in the beginning and 83.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1140.14ms. Allocated memory is still 172.0MB. Free memory was 83.7MB in the beginning and 124.3MB in the end (delta: -40.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * TraceAbstraction took 108076.64ms. Allocated memory was 172.0MB in the beginning and 360.7MB in the end (delta: 188.7MB). Free memory was 123.5MB in the beginning and 109.6MB in the end (delta: 13.9MB). Peak memory consumption was 204.9MB. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 360.7MB. Free memory is still 109.6MB. 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 105, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someUnaryFLOAToperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 0}, {0, 0, 0} }; [L25-L27] double double_Array_0[1] = { 10.5 }; [L28-L30] float float_Array_0[2] = { 50.75, 32.6 }; [L31-L33] signed char signed_char_Array_0[2][2] = { {50, -64}, {-1, -25} }; [L34-L36] signed long int signed_long_int_Array_0[1] = { 32 }; [L37-L39] unsigned char unsigned_char_Array_0[1] = { 1 }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] FCALL updateLastVariables() [L113] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][0]=-511, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][0]=-511, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L71] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][0]=-511, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][0]=-511, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L72] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][1]=256, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][1]=256, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][1]=256, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][1]=256, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L75] BOOL_unsigned_char_Array_0[0][2] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][2]=256, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][2]=256, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][2]=256, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][2]=256, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L78] BOOL_unsigned_char_Array_0[1][2] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][2]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][2]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][2]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][2]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L81] double_Array_0[0] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[0] [L82] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L82] EXPR double_Array_0[0] [L82] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0]=4, double_Array_0[0]=4, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L82] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [(double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F=1, double_Array_0[0]=4, double_Array_0[0]=4, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L82] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L82] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [(double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F=1, double_Array_0[0]=4, double_Array_0[0]=4, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L83] float_Array_0[1] = __VERIFIER_nondet_float() [L84] EXPR float_Array_0[1] [L84] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L84] EXPR float_Array_0[1] [L84] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, float_Array_0[1]=203/4, float_Array_0[1]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L84] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [(float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F=1, float_Array_0[1]=203/4, float_Array_0[1]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L84] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L84] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [(float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F=1, float_Array_0[1]=203/4, float_Array_0[1]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L85] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L86] RET assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L87] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L88] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L89] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[1][0]=56, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L89] RET assume_abort_if_not(signed_char_Array_0[1][0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[1][0]=56, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L90] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[1][0]=56, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L90] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[1][0]=56, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L91] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L92] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][1]=5, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L92] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][1]=5, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L93] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][1]=5, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L93] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L93] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][1]=5, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L94] signed_char_Array_0[1][1] = __VERIFIER_nondet_char() [L95] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L95] CALL assume_abort_if_not(signed_char_Array_0[1][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L95] RET assume_abort_if_not(signed_char_Array_0[1][1] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L96] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L96] CALL assume_abort_if_not(signed_char_Array_0[1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L96] RET assume_abort_if_not(signed_char_Array_0[1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L97] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L98] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_char_Array_0[0]=-254] [L98] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L98] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_char_Array_0[0]=-254] [L99] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_char_Array_0[0]=-254] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L99] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_char_Array_0[0]=-254] [L100] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_char_Array_0[0]=-254] [L100] CALL assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L100] RET assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_char_Array_0[0]=-254] [L113] RET updateVariables() [L114] CALL step() [L43] EXPR signed_char_Array_0[0][1] [L43] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L43] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) [L43] EXPR signed_char_Array_0[0][1] [L43] EXPR ((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]) VAL [((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1])=5, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][1]=5, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L43] EXPR unsigned_char_Array_0[0] [L43] signed long int stepLocal_1 = ((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]; [L44] EXPR signed_char_Array_0[1][0] [L44] EXPR signed_char_Array_0[0][0] [L44] signed long int stepLocal_0 = signed_char_Array_0[1][0] - signed_char_Array_0[0][0]; [L45] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][1]=5, signed_long_int_Array_0={8:0}, stepLocal_0=5, stepLocal_1=2, unsigned_char_Array_0={9:0}] [L45] COND FALSE !(signed_char_Array_0[0][1] > stepLocal_0) [L50] EXPR signed_char_Array_0[1][1] [L50] signed_long_int_Array_0[0] = signed_char_Array_0[1][1] [L52] EXPR float_Array_0[1] [L52] float_Array_0[0] = float_Array_0[1] [L53] EXPR double_Array_0[0] [L53] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, stepLocal_0=5, stepLocal_1=2, unsigned_char_Array_0={9:0}] [L53] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L53] EXPR float_Array_0[0] [L53] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, float_Array_0[0]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, stepLocal_0=5, stepLocal_1=2, unsigned_char_Array_0={9:0}] [L53] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, float_Array_0[0]=203/4, float_Array_0[0]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, stepLocal_0=5, stepLocal_1=2, unsigned_char_Array_0={9:0}] [L53] COND TRUE (double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0] [L54] EXPR signed_char_Array_0[0][0] [L54] EXPR signed_long_int_Array_0[0] [L54] EXPR (signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2] [L54] EXPR BOOL_unsigned_char_Array_0[1][2] [L54] EXPR (signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2] VAL [(signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[1][2]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, stepLocal_0=5, stepLocal_1=2, unsigned_char_Array_0={9:0}] [L54] EXPR ((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2]) [L54] EXPR BOOL_unsigned_char_Array_0[1][1] [L54] EXPR BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2] [L54] EXPR BOOL_unsigned_char_Array_0[0][2] [L54] EXPR BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2] VAL [((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])=0, (signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][2]=256, BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2]=0, BOOL_unsigned_char_Array_0[1][1]=256, BOOL_unsigned_char_Array_0[1][2]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, stepLocal_0=5, stepLocal_1=2, unsigned_char_Array_0={9:0}] [L54] EXPR ((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2]) VAL [((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])=0, (signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]=0, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][2]=256, BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2]=0, BOOL_unsigned_char_Array_0[1][1]=256, BOOL_unsigned_char_Array_0[1][2]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, stepLocal_0=5, stepLocal_1=2, unsigned_char_Array_0={9:0}] [L54] BOOL_unsigned_char_Array_0[0][1] = (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])) [L56] EXPR signed_long_int_Array_0[0] [L56] signed long int stepLocal_3 = signed_long_int_Array_0[0]; [L57] EXPR signed_long_int_Array_0[0] [L57] EXPR signed_long_int_Array_0[0] [L57] EXPR signed_char_Array_0[0][0] [L57] signed long int stepLocal_2 = signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]); [L58] BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, stepLocal_0=5, stepLocal_1=2, stepLocal_2=165699, stepLocal_3=57, unsigned_char_Array_0={9:0}] [L58] COND FALSE !(BOOL_unsigned_char_Array_0[0][1]) [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR signed_char_Array_0[0][1] [L105] EXPR signed_char_Array_0[1][0] [L105] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L105] EXPR (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1])) [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR signed_char_Array_0[1][1] [L105] EXPR (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1])) VAL [(signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1) [L105] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1 VAL [((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1=1, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1) VAL [((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1=1, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR (((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1) [L105] EXPR double_Array_0[0] [L105] EXPR float_Array_0[0] VAL [(((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)=1, ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1=1, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L105] EXPR float_Array_0[0] [L105] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) VAL [(((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)=1, ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1=1, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, float_Array_0[0]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR float_Array_0[0] VAL [(((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)=1, ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1=1, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, float_Array_0[0]=203/4, float_Array_0[0]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR ((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1 VAL [(((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)=1, ((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1=1, ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1=1, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, float_Array_0[0]=203/4, float_Array_0[0]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR (((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1) VAL [(((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)=1, ((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1=1, ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1=1, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, float_Array_0[0]=203/4, float_Array_0[0]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105] EXPR ((((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) [L105] EXPR float_Array_0[0] [L105] EXPR float_Array_0[1] [L105] EXPR ((((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) VAL [(((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)=1, ((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1=1, ((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)=1, (signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))=1, BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1=1, BOOL_unsigned_char_Array_0[0][1]=0, double_Array_0={5:0}, double_Array_0[0]=4, float_Array_0={6:0}, float_Array_0[0]=203/4, float_Array_0[0]=203/4, float_Array_0[0]=203/4, float_Array_0[0]=203/4, float_Array_0[1]=203/4, isInitial=1, signed_char_Array_0={7:0}, signed_char_Array_0[0][0]=51, signed_char_Array_0[0][1]=5, signed_char_Array_0[1][0]=56, signed_char_Array_0[1][1]=57, signed_long_int_Array_0={8:0}, signed_long_int_Array_0[0]=57, unsigned_char_Array_0={9:0}] [L105-L106] return ((((signed_char_Array_0[0][1] > (signed_char_Array_0[1][0] - signed_char_Array_0[0][0])) ? (((((((signed_char_Array_0[0][1]) < (signed_char_Array_0[1][1])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[1][1]))) / unsigned_char_Array_0[0]) <= signed_char_Array_0[0][0]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][1]))) && (BOOL_unsigned_char_Array_0[0][1] ? ((signed_long_int_Array_0[0] > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (((signed_long_int_Array_0[0] % unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0] * (signed_long_int_Array_0[0] * signed_char_Array_0[0][0]))) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : 1)) : 1)) && (((double_Array_0[0] - ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))) >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (((signed_char_Array_0[0][0] < signed_long_int_Array_0[0]) && BOOL_unsigned_char_Array_0[1][2]) || (BOOL_unsigned_char_Array_0[1][1] || BOOL_unsigned_char_Array_0[0][2])))) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 107.8s, OverallIterations: 30, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 46.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 6284 SdHoareTripleChecker+Valid, 40.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6234 mSDsluCounter, 15717 SdHoareTripleChecker+Invalid, 37.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11471 mSDsCounter, 367 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13603 IncrementalHoareTripleChecker+Invalid, 13976 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 367 mSolverCounterUnsat, 4246 mSDtfsCounter, 13603 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5050 GetRequests, 4734 SyntacticMatches, 0 SemanticMatches, 316 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=29, InterpolantAutomatonStates: 253, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 29 MinimizatonAttempts, 2377 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.8s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 40.5s InterpolantComputationTime, 5088 NumberOfCodeBlocks, 5088 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 4729 ConstructedInterpolants, 4 QuantifiedInterpolants, 48174 SizeOfPredicates, 237 NumberOfNonLiveVariables, 15843 ConjunctsInSsa, 480 ConjunctsInUnsatCore, 29 InterpolantComputations, 22 PerfectInterpolantSequences, 21918/24360 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 22:35:44,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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 eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:35:47,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:35:48,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:35:48,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:35:48,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:35:48,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:35:48,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:35:48,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:35:48,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:35:48,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:35:48,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:35:48,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:35:48,109 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:35:48,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:35:48,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:35:48,113 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:35:48,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:35:48,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:35:48,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:35:48,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:35:48,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:35:48,117 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:35:48,118 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:35:48,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:35:48,119 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:35:48,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:35:48,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:35:48,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:35:48,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:35:48,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:35:48,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:35:48,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:35:48,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:35:48,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:35:48,126 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:35:48,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:35:48,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:35:48,127 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:35:48,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:35:48,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:35:48,130 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:35:48,130 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:35:48,130 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa60ed61738bb84f21e0e7461cdcc453d531566de1a87a0cbf8ab788e5233b0 [2023-11-06 22:35:48,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:35:48,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:35:48,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:35:48,621 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:35:48,622 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:35:48,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-11-06 22:35:52,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:35:52,393 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:35:52,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i [2023-11-06 22:35:52,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/data/613cba0a4/2611d234d4c04b37b00da3c667a8916f/FLAGf77841f36 [2023-11-06 22:35:52,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/data/613cba0a4/2611d234d4c04b37b00da3c667a8916f [2023-11-06 22:35:52,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:35:52,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:35:52,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:35:52,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:35:52,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:35:52,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:52" (1/1) ... [2023-11-06 22:35:52,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416dc69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:52, skipping insertion in model container [2023-11-06 22:35:52,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:52" (1/1) ... [2023-11-06 22:35:52,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:35:52,746 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-11-06 22:35:52,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:35:52,943 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:35:52,963 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-44.i[916,929] [2023-11-06 22:35:53,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:35:53,103 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:35:53,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53 WrapperNode [2023-11-06 22:35:53,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:35:53,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:35:53,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:35:53,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:35:53,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,254 INFO L138 Inliner]: procedures = 36, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 437 [2023-11-06 22:35:53,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:35:53,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:35:53,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:35:53,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:35:53,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:35:53,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:35:53,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:35:53,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:35:53,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (1/1) ... [2023-11-06 22:35:53,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:35:53,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:53,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:53,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:35:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:35:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 22:35:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 22:35:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 22:35:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:35:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 22:35:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-06 22:35:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-06 22:35:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:35:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-06 22:35:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-06 22:35:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:35:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:35:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:35:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:35:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 22:35:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:35:53,615 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:35:53,617 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:36:00,663 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:36:00,672 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:36:00,673 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:36:00,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:00 BoogieIcfgContainer [2023-11-06 22:36:00,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:36:00,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:36:00,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:36:00,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:36:00,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:35:52" (1/3) ... [2023-11-06 22:36:00,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d743145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:00, skipping insertion in model container [2023-11-06 22:36:00,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:53" (2/3) ... [2023-11-06 22:36:00,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d743145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:00, skipping insertion in model container [2023-11-06 22:36:00,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:00" (3/3) ... [2023-11-06 22:36:00,686 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-44.i [2023-11-06 22:36:00,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:36:00,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:36:00,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:36:00,776 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;@e2559b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:36:00,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:36:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:36:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:36:00,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:00,802 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:00,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:00,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:00,808 INFO L85 PathProgramCache]: Analyzing trace with hash -882731756, now seen corresponding path program 1 times [2023-11-06 22:36:00,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:36:00,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119127157] [2023-11-06 22:36:00,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:00,840 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 22:36:00,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:36:00,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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 22:36:00,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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 22:36:01,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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)] Ended with exit code 139 [2023-11-06 22:36:01,244 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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 22:36:01,250 INFO L158 Benchmark]: Toolchain (without parser) took 8797.39ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 63.9MB in the end (delta: 4.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-06 22:36:01,251 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:36:01,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.45ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 51.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:36:01,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.99ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 69.1MB in the end (delta: -17.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-06 22:36:01,252 INFO L158 Benchmark]: Boogie Preprocessor took 67.20ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 65.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:36:01,253 INFO L158 Benchmark]: RCFGBuilder took 7352.76ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 61.6MB in the end (delta: 3.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-06 22:36:01,254 INFO L158 Benchmark]: TraceAbstraction took 570.25ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 63.9MB in the end (delta: -2.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-06 22:36:01,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.45ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 51.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.99ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 69.1MB in the end (delta: -17.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.20ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 65.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7352.76ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 61.6MB in the end (delta: 3.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * TraceAbstraction took 570.25ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 63.9MB in the end (delta: -2.8MB). Peak memory consumption was 29.0MB. 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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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 22:36:01,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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_bd1a58ef-00e2-48bc-ba7d-d2f569b82b5c/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.