./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg --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 6c9ef72945147e4ae81caf50df56c252d6632fa10df84ba86d26e6872e2ab991 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:49:51,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:49:51,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:49:52,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:49:52,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:49:52,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:49:52,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:49:52,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:49:52,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:49:52,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:49:52,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:49:52,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:49:52,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:49:52,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:49:52,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:49:52,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:49:52,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:49:52,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:49:52,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:49:52,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:49:52,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:49:52,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:49:52,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:49:52,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:49:52,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:49:52,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:49:52,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:49:52,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:49:52,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:49:52,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:49:52,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:49:52,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:49:52,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:49:52,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:49:52,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:49:52,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:49:52,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:49:52,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:49:52,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:49:52,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:49:52,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:49:52,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:49:52,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:49:52,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:49:52,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:49:52,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:49:52,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:49:52,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:49:52,158 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:49:52,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:49:52,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:49:52,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:49:52,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:49:52,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:49:52,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:49:52,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:49:52,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:49:52,162 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:49:52,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:49:52,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:49:52,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:49:52,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:49:52,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:49:52,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:49:52,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:52,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:49:52,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:49:52,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:49:52,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:49:52,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:49:52,166 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:49:52,168 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:49:52,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:49:52,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:49:52,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c9ef72945147e4ae81caf50df56c252d6632fa10df84ba86d26e6872e2ab991 [2021-10-28 09:49:52,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:49:52,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:49:52,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:49:52,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:49:52,496 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:49:52,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem02_label46.c [2021-10-28 09:49:52,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/data/d1b0fc504/4c92df91e8224a9ab14aca3627e9d91d/FLAG3daa41aff [2021-10-28 09:49:53,218 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:49:53,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/sv-benchmarks/c/eca-rers2012/Problem02_label46.c [2021-10-28 09:49:53,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/data/d1b0fc504/4c92df91e8224a9ab14aca3627e9d91d/FLAG3daa41aff [2021-10-28 09:49:53,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/data/d1b0fc504/4c92df91e8224a9ab14aca3627e9d91d [2021-10-28 09:49:53,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:49:53,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:49:53,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:53,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:49:53,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:49:53,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:53" (1/1) ... [2021-10-28 09:49:53,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9dd2626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:53, skipping insertion in model container [2021-10-28 09:49:53,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:53" (1/1) ... [2021-10-28 09:49:53,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:49:53,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:49:53,967 WARN L228 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_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/sv-benchmarks/c/eca-rers2012/Problem02_label46.c[18150,18163] [2021-10-28 09:49:53,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:54,008 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:49:54,176 WARN L228 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_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/sv-benchmarks/c/eca-rers2012/Problem02_label46.c[18150,18163] [2021-10-28 09:49:54,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:54,214 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:49:54,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54 WrapperNode [2021-10-28 09:49:54,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:54,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:54,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:49:54,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:49:54,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:54,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:49:54,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:49:54,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:49:54,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:49:54,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:49:54,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:49:54,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:49:54,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:54,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:49:54,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:49:54,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:49:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:49:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:49:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:49:54,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:49:55,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:49:55,847 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:49:55,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55 BoogieIcfgContainer [2021-10-28 09:49:55,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:49:55,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:49:55,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:49:55,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:49:55,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:49:53" (1/3) ... [2021-10-28 09:49:55,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7770e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:49:55, skipping insertion in model container [2021-10-28 09:49:55,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (2/3) ... [2021-10-28 09:49:55,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7770e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:49:55, skipping insertion in model container [2021-10-28 09:49:55,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55" (3/3) ... [2021-10-28 09:49:55,862 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2021-10-28 09:49:55,867 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:49:55,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:49:55,932 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:49:55,940 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:49:55,940 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:49:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-10-28 09:49:56,003 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:56,004 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:56,004 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:56,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:56,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1952388485, now seen corresponding path program 1 times [2021-10-28 09:49:56,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:56,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705264711] [2021-10-28 09:49:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:56,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:56,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:56,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705264711] [2021-10-28 09:49:56,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705264711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:56,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:56,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:49:56,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56555018] [2021-10-28 09:49:56,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:56,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:56,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:56,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:56,483 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:57,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:57,298 INFO L93 Difference]: Finished difference Result 600 states and 1037 transitions. [2021-10-28 09:49:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:57,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-10-28 09:49:57,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:57,330 INFO L225 Difference]: With dead ends: 600 [2021-10-28 09:49:57,330 INFO L226 Difference]: Without dead ends: 309 [2021-10-28 09:49:57,338 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-28 09:49:57,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2021-10-28 09:49:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 306 states have (on average 1.3300653594771241) internal successors, (407), 306 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2021-10-28 09:49:57,434 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 112 [2021-10-28 09:49:57,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:57,435 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2021-10-28 09:49:57,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2021-10-28 09:49:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-28 09:49:57,439 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:57,439 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:57,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:49:57,440 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:57,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:57,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1368779408, now seen corresponding path program 1 times [2021-10-28 09:49:57,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:57,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262853247] [2021-10-28 09:49:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:57,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:57,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:57,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262853247] [2021-10-28 09:49:57,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262853247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:57,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:57,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:57,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842078808] [2021-10-28 09:49:57,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:57,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:57,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:57,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,618 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:58,128 INFO L93 Difference]: Finished difference Result 895 states and 1186 transitions. [2021-10-28 09:49:58,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:58,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-28 09:49:58,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:58,134 INFO L225 Difference]: With dead ends: 895 [2021-10-28 09:49:58,134 INFO L226 Difference]: Without dead ends: 590 [2021-10-28 09:49:58,135 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2021-10-28 09:49:58,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2021-10-28 09:49:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 589 states have (on average 1.2869269949066213) internal successors, (758), 589 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 758 transitions. [2021-10-28 09:49:58,161 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 758 transitions. Word has length 117 [2021-10-28 09:49:58,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:58,162 INFO L470 AbstractCegarLoop]: Abstraction has 590 states and 758 transitions. [2021-10-28 09:49:58,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 758 transitions. [2021-10-28 09:49:58,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 09:49:58,168 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:58,168 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:58,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:49:58,169 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:58,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:58,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2115422843, now seen corresponding path program 1 times [2021-10-28 09:49:58,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:58,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098768279] [2021-10-28 09:49:58,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:58,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:58,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:58,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098768279] [2021-10-28 09:49:58,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098768279] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:58,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:58,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:58,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044878851] [2021-10-28 09:49:58,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:58,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:58,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:58,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,238 INFO L87 Difference]: Start difference. First operand 590 states and 758 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:58,767 INFO L93 Difference]: Finished difference Result 1460 states and 1934 transitions. [2021-10-28 09:49:58,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:58,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-10-28 09:49:58,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:58,771 INFO L225 Difference]: With dead ends: 1460 [2021-10-28 09:49:58,771 INFO L226 Difference]: Without dead ends: 872 [2021-10-28 09:49:58,772 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-10-28 09:49:58,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 871. [2021-10-28 09:49:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 870 states have (on average 1.2298850574712643) internal successors, (1070), 870 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1070 transitions. [2021-10-28 09:49:58,799 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1070 transitions. Word has length 121 [2021-10-28 09:49:58,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:58,800 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1070 transitions. [2021-10-28 09:49:58,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1070 transitions. [2021-10-28 09:49:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-28 09:49:58,803 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:58,804 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:58,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:49:58,804 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:58,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:58,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1149060337, now seen corresponding path program 1 times [2021-10-28 09:49:58,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:58,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020559198] [2021-10-28 09:49:58,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:58,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:58,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:58,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020559198] [2021-10-28 09:49:58,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020559198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:58,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:58,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:58,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851943290] [2021-10-28 09:49:58,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:58,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:58,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:58,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,863 INFO L87 Difference]: Start difference. First operand 871 states and 1070 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:59,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:59,343 INFO L93 Difference]: Finished difference Result 2163 states and 2654 transitions. [2021-10-28 09:49:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:59,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2021-10-28 09:49:59,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:59,352 INFO L225 Difference]: With dead ends: 2163 [2021-10-28 09:49:59,352 INFO L226 Difference]: Without dead ends: 1294 [2021-10-28 09:49:59,354 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2021-10-28 09:49:59,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1151. [2021-10-28 09:49:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1150 states have (on average 1.1956521739130435) internal successors, (1375), 1150 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1375 transitions. [2021-10-28 09:49:59,388 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1375 transitions. Word has length 125 [2021-10-28 09:49:59,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:59,388 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 1375 transitions. [2021-10-28 09:49:59,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:59,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1375 transitions. [2021-10-28 09:49:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-28 09:49:59,393 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:59,393 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:59,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:49:59,393 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:59,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:59,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1994243904, now seen corresponding path program 1 times [2021-10-28 09:49:59,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:59,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656803446] [2021-10-28 09:49:59,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:59,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:49:59,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:59,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656803446] [2021-10-28 09:49:59,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656803446] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:59,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:59,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:49:59,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759138778] [2021-10-28 09:49:59,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:59,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:59,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:59,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,446 INFO L87 Difference]: Start difference. First operand 1151 states and 1375 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:00,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:00,009 INFO L93 Difference]: Finished difference Result 3141 states and 3776 transitions. [2021-10-28 09:50:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:00,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-10-28 09:50:00,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:00,020 INFO L225 Difference]: With dead ends: 3141 [2021-10-28 09:50:00,021 INFO L226 Difference]: Without dead ends: 1992 [2021-10-28 09:50:00,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:00,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2021-10-28 09:50:00,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1992. [2021-10-28 09:50:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1991 states have (on average 1.1662481165243597) internal successors, (2322), 1991 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2322 transitions. [2021-10-28 09:50:00,076 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2322 transitions. Word has length 133 [2021-10-28 09:50:00,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:00,077 INFO L470 AbstractCegarLoop]: Abstraction has 1992 states and 2322 transitions. [2021-10-28 09:50:00,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2322 transitions. [2021-10-28 09:50:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-28 09:50:00,082 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:00,082 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:00,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:50:00,083 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:00,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1930928697, now seen corresponding path program 1 times [2021-10-28 09:50:00,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:00,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217782445] [2021-10-28 09:50:00,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:00,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:00,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:00,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217782445] [2021-10-28 09:50:00,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217782445] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:00,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848888499] [2021-10-28 09:50:00,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:00,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:00,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:00,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:50:00,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:50:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:00,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:00,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 09:50:00,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848888499] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:00,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:50:00,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:50:00,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526785239] [2021-10-28 09:50:00,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:00,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:00,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:00,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:50:00,977 INFO L87 Difference]: Start difference. First operand 1992 states and 2322 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:01,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:01,602 INFO L93 Difference]: Finished difference Result 4962 states and 5869 transitions. [2021-10-28 09:50:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:01,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-28 09:50:01,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:01,628 INFO L225 Difference]: With dead ends: 4962 [2021-10-28 09:50:01,629 INFO L226 Difference]: Without dead ends: 1706 [2021-10-28 09:50:01,633 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:50:01,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2021-10-28 09:50:01,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2021-10-28 09:50:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1705 states have (on average 1.1519061583577712) internal successors, (1964), 1705 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 1964 transitions. [2021-10-28 09:50:01,686 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 1964 transitions. Word has length 139 [2021-10-28 09:50:01,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:01,686 INFO L470 AbstractCegarLoop]: Abstraction has 1706 states and 1964 transitions. [2021-10-28 09:50:01,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 1964 transitions. [2021-10-28 09:50:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-10-28 09:50:01,691 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:01,692 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:01,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:01,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-28 09:50:01,920 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:01,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,920 INFO L85 PathProgramCache]: Analyzing trace with hash 2020686227, now seen corresponding path program 1 times [2021-10-28 09:50:01,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144933551] [2021-10-28 09:50:01,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 09:50:02,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:02,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144933551] [2021-10-28 09:50:02,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144933551] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:02,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:02,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:02,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335203457] [2021-10-28 09:50:02,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:50:02,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:02,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:50:02,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:50:02,123 INFO L87 Difference]: Start difference. First operand 1706 states and 1964 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:02,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:02,853 INFO L93 Difference]: Finished difference Result 3488 states and 4014 transitions. [2021-10-28 09:50:02,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:50:02,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2021-10-28 09:50:02,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:02,864 INFO L225 Difference]: With dead ends: 3488 [2021-10-28 09:50:02,865 INFO L226 Difference]: Without dead ends: 1701 [2021-10-28 09:50:02,867 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:50:02,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2021-10-28 09:50:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1561. [2021-10-28 09:50:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1560 states have (on average 1.1147435897435898) internal successors, (1739), 1560 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 1739 transitions. [2021-10-28 09:50:02,921 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 1739 transitions. Word has length 146 [2021-10-28 09:50:02,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:02,922 INFO L470 AbstractCegarLoop]: Abstraction has 1561 states and 1739 transitions. [2021-10-28 09:50:02,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1739 transitions. [2021-10-28 09:50:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-10-28 09:50:02,928 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:02,929 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:02,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:50:02,929 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:02,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:02,930 INFO L85 PathProgramCache]: Analyzing trace with hash -683765611, now seen corresponding path program 1 times [2021-10-28 09:50:02,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:02,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788359251] [2021-10-28 09:50:02,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:02,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-28 09:50:03,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:03,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788359251] [2021-10-28 09:50:03,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788359251] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:03,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:03,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:03,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042559119] [2021-10-28 09:50:03,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:03,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:03,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:03,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:03,023 INFO L87 Difference]: Start difference. First operand 1561 states and 1739 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:03,457 INFO L93 Difference]: Finished difference Result 3120 states and 3476 transitions. [2021-10-28 09:50:03,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:03,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2021-10-28 09:50:03,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:03,467 INFO L225 Difference]: With dead ends: 3120 [2021-10-28 09:50:03,467 INFO L226 Difference]: Without dead ends: 1561 [2021-10-28 09:50:03,470 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:03,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2021-10-28 09:50:03,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1561. [2021-10-28 09:50:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1560 states have (on average 1.096794871794872) internal successors, (1711), 1560 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 1711 transitions. [2021-10-28 09:50:03,508 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 1711 transitions. Word has length 168 [2021-10-28 09:50:03,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:03,509 INFO L470 AbstractCegarLoop]: Abstraction has 1561 states and 1711 transitions. [2021-10-28 09:50:03,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1711 transitions. [2021-10-28 09:50:03,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-10-28 09:50:03,514 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:03,515 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:03,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:50:03,515 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:03,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:03,516 INFO L85 PathProgramCache]: Analyzing trace with hash 77820767, now seen corresponding path program 1 times [2021-10-28 09:50:03,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:03,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331036046] [2021-10-28 09:50:03,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:03,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-28 09:50:03,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:03,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331036046] [2021-10-28 09:50:03,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331036046] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:03,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:03,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:03,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010905882] [2021-10-28 09:50:03,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:03,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:03,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:03,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:03,591 INFO L87 Difference]: Start difference. First operand 1561 states and 1711 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:04,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:04,007 INFO L93 Difference]: Finished difference Result 3825 states and 4231 transitions. [2021-10-28 09:50:04,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:04,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2021-10-28 09:50:04,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:04,019 INFO L225 Difference]: With dead ends: 3825 [2021-10-28 09:50:04,019 INFO L226 Difference]: Without dead ends: 2126 [2021-10-28 09:50:04,022 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:04,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2021-10-28 09:50:04,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 1983. [2021-10-28 09:50:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1982 states have (on average 1.0903128153380424) internal successors, (2161), 1982 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2161 transitions. [2021-10-28 09:50:04,071 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2161 transitions. Word has length 172 [2021-10-28 09:50:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:04,071 INFO L470 AbstractCegarLoop]: Abstraction has 1983 states and 2161 transitions. [2021-10-28 09:50:04,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2161 transitions. [2021-10-28 09:50:04,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-10-28 09:50:04,077 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:04,077 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:04,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:50:04,077 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:04,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:04,078 INFO L85 PathProgramCache]: Analyzing trace with hash 324896925, now seen corresponding path program 1 times [2021-10-28 09:50:04,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:04,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705787237] [2021-10-28 09:50:04,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:04,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:04,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:04,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705787237] [2021-10-28 09:50:04,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705787237] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:04,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792865574] [2021-10-28 09:50:04,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:04,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:04,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:04,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:50:04,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:50:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:04,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:04,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 09:50:04,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792865574] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:04,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:50:04,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:50:04,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596506427] [2021-10-28 09:50:04,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:04,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:04,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:04,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:50:04,936 INFO L87 Difference]: Start difference. First operand 1983 states and 2161 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:05,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:05,424 INFO L93 Difference]: Finished difference Result 3961 states and 4325 transitions. [2021-10-28 09:50:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:05,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2021-10-28 09:50:05,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:05,426 INFO L225 Difference]: With dead ends: 3961 [2021-10-28 09:50:05,426 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:50:05,431 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:50:05,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:50:05,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:50:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:50:05,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2021-10-28 09:50:05,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:05,432 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:50:05,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:50:05,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:50:05,436 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:50:05,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:05,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:05,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:50:05,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:05,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:05,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:05,896 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,896 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-28 09:50:05,897 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,898 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-28 09:50:05,899 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-28 09:50:05,900 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-28 09:50:05,901 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-28 09:50:05,902 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-28 09:50:05,903 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-28 09:50:05,903 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-28 09:50:05,903 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,903 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,903 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,903 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-28 09:50:05,903 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-28 09:50:05,905 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-28 09:50:05,905 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-28 09:50:05,905 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-28 09:50:05,905 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-28 09:50:05,905 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-28 09:50:05,906 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-28 09:50:05,906 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,906 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,906 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,906 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-28 09:50:05,906 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:50:05,907 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-28 09:50:05,907 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-28 09:50:05,907 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-28 09:50:05,907 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-28 09:50:05,907 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-28 09:50:05,907 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-28 09:50:05,907 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-28 09:50:05,908 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,908 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,908 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,908 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-28 09:50:05,908 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-28 09:50:05,908 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-28 09:50:05,909 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-28 09:50:05,909 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-28 09:50:05,909 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-28 09:50:05,909 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-28 09:50:05,909 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-28 09:50:05,909 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-28 09:50:05,910 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,910 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,910 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,910 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-28 09:50:05,910 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-28 09:50:05,910 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-28 09:50:05,910 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-28 09:50:05,911 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-28 09:50:05,911 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-28 09:50:05,911 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:50:05,911 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2021-10-28 09:50:05,911 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,912 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,912 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,912 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-28 09:50:05,912 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-28 09:50:05,912 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-28 09:50:05,912 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-28 09:50:05,912 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-28 09:50:05,913 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-28 09:50:05,913 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-28 09:50:05,913 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-28 09:50:05,913 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,913 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,913 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,914 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-28 09:50:05,914 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-28 09:50:05,914 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-28 09:50:05,914 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-28 09:50:05,914 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-28 09:50:05,914 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,915 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,915 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,915 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-28 09:50:05,915 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-28 09:50:05,915 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-28 09:50:05,915 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-28 09:50:05,916 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-28 09:50:05,916 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-28 09:50:05,916 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-28 09:50:05,916 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-28 09:50:05,916 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-28 09:50:05,916 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-28 09:50:05,916 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-28 09:50:05,917 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,917 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,917 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-28 09:50:05,917 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-28 09:50:05,917 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-28 09:50:05,917 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-28 09:50:05,918 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-28 09:50:05,918 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-28 09:50:05,918 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-28 09:50:05,918 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-28 09:50:05,918 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-28 09:50:05,919 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 9)) (.cse5 (not (= ~a11~0 1))) (.cse0 (= ~a17~0 8)) (.cse4 (= ~a25~0 1)) (.cse2 (= ~a21~0 1)) (.cse6 (<= ~a28~0 10)) (.cse3 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 11 ~a28~0) (not .cse4)) (<= ~a17~0 7) (and .cse1 .cse5) (and .cse4 .cse6 .cse5) (and .cse0 .cse2 .cse3 .cse5) (<= ~a28~0 7) (and .cse0 .cse4 .cse2 .cse6 .cse3))) [2021-10-28 09:50:05,919 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,919 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,919 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-28 09:50:05,919 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-28 09:50:05,919 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-28 09:50:05,920 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-28 09:50:05,920 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-28 09:50:05,920 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-28 09:50:05,920 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-28 09:50:05,920 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,920 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,921 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-28 09:50:05,921 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-28 09:50:05,921 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-28 09:50:05,921 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-28 09:50:05,921 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-28 09:50:05,921 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-28 09:50:05,922 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-28 09:50:05,922 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-28 09:50:05,922 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-28 09:50:05,922 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,922 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,922 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-28 09:50:05,922 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-28 09:50:05,923 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-28 09:50:05,923 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-28 09:50:05,923 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:50:05,923 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-28 09:50:05,923 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-28 09:50:05,924 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 9)) (.cse5 (not (= ~a11~0 1))) (.cse0 (= ~a17~0 8)) (.cse4 (= ~a25~0 1)) (.cse2 (= ~a21~0 1)) (.cse6 (<= ~a28~0 10)) (.cse3 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 11 ~a28~0) (not .cse4)) (<= ~a17~0 7) (and .cse1 .cse5) (and .cse4 .cse6 .cse5) (and .cse0 .cse2 .cse3 .cse5) (<= ~a28~0 7) (and .cse0 .cse4 .cse2 .cse6 .cse3))) [2021-10-28 09:50:05,924 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,924 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,924 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-28 09:50:05,924 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-28 09:50:05,924 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-28 09:50:05,925 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-28 09:50:05,925 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-28 09:50:05,925 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,925 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,925 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-28 09:50:05,925 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-28 09:50:05,926 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-28 09:50:05,926 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-28 09:50:05,926 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-28 09:50:05,926 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-28 09:50:05,926 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-28 09:50:05,926 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-28 09:50:05,927 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-28 09:50:05,927 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,927 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,927 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-28 09:50:05,927 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,927 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:50:05,927 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-28 09:50:05,928 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-28 09:50:05,928 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-28 09:50:05,928 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-28 09:50:05,928 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-28 09:50:05,928 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-28 09:50:05,928 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,929 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,929 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,929 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-28 09:50:05,929 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-28 09:50:05,929 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-28 09:50:05,929 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-28 09:50:05,930 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-28 09:50:05,930 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,930 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,930 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:05,930 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-28 09:50:05,930 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-28 09:50:05,931 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-28 09:50:05,931 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-28 09:50:05,931 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-28 09:50:05,931 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-28 09:50:05,935 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:05,937 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:50:05,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:50:05 BoogieIcfgContainer [2021-10-28 09:50:05,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:50:05,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:50:05,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:50:05,958 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:50:05,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55" (3/4) ... [2021-10-28 09:50:05,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:50:06,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:50:06,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:50:06,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:50:06,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:50:06,180 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:50:06,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:50:06,182 INFO L168 Benchmark]: Toolchain (without parser) took 12704.31 ms. Allocated memory was 109.1 MB in the beginning and 245.4 MB in the end (delta: 136.3 MB). Free memory was 77.8 MB in the beginning and 72.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 139.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:06,183 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:50:06,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.49 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 77.8 MB in the beginning and 94.4 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:06,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.30 ms. Allocated memory is still 136.3 MB. Free memory was 94.4 MB in the beginning and 88.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:06,185 INFO L168 Benchmark]: Boogie Preprocessor took 91.90 ms. Allocated memory is still 136.3 MB. Free memory was 88.9 MB in the beginning and 84.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:06,185 INFO L168 Benchmark]: RCFGBuilder took 1427.10 ms. Allocated memory is still 136.3 MB. Free memory was 84.7 MB in the beginning and 68.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:06,186 INFO L168 Benchmark]: TraceAbstraction took 10103.98 ms. Allocated memory was 136.3 MB in the beginning and 245.4 MB in the end (delta: 109.1 MB). Free memory was 67.7 MB in the beginning and 87.5 MB in the end (delta: -19.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:06,186 INFO L168 Benchmark]: Witness Printer took 222.57 ms. Allocated memory is still 245.4 MB. Free memory was 87.5 MB in the beginning and 72.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:06,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 736.49 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 77.8 MB in the beginning and 94.4 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.30 ms. Allocated memory is still 136.3 MB. Free memory was 94.4 MB in the beginning and 88.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.90 ms. Allocated memory is still 136.3 MB. Free memory was 88.9 MB in the beginning and 84.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1427.10 ms. Allocated memory is still 136.3 MB. Free memory was 84.7 MB in the beginning and 68.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10103.98 ms. Allocated memory was 136.3 MB in the beginning and 245.4 MB in the end (delta: 109.1 MB). Free memory was 67.7 MB in the beginning and 87.5 MB in the end (delta: -19.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. * Witness Printer took 222.57 ms. Allocated memory is still 245.4 MB. Free memory was 87.5 MB in the beginning and 72.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 518]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1335 SDtfs, 1125 SDslu, 157 SDs, 0 SdLazy, 3808 SolverSat, 748 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1992occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 429 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 57 NumberOfFragments, 155 HoareAnnotationTreeSize, 3 FomulaSimplifications, 710 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 150 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1744 NumberOfCodeBlocks, 1744 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1732 ConstructedInterpolants, 0 QuantifiedInterpolants, 8801 SizeOfPredicates, 0 NumberOfNonLiveVariables, 607 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 471/503 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((a17 == 8 && a28 <= 9) && a21 == 1) && a19 == 1) || (11 <= a28 && !(a25 == 1))) || a17 <= 7) || (a28 <= 9 && !(a11 == 1))) || ((a25 == 1 && a28 <= 10) && !(a11 == 1))) || (((a17 == 8 && a21 == 1) && a19 == 1) && !(a11 == 1))) || a28 <= 7) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a28 <= 10) && a19 == 1) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((a17 == 8 && a28 <= 9) && a21 == 1) && a19 == 1) || (11 <= a28 && !(a25 == 1))) || a17 <= 7) || (a28 <= 9 && !(a11 == 1))) || ((a25 == 1 && a28 <= 10) && !(a11 == 1))) || (((a17 == 8 && a21 == 1) && a19 == 1) && !(a11 == 1))) || a28 <= 7) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a28 <= 10) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:50:06,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186c1ef5-28c8-4f43-9f8a-e28bc4a74d9b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...