./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be --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 83003e08d0b0727d8396cfdc2be95d1bd0956c017aa98740983eff57678f4a43 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:22:17,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:22:17,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:22:17,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:22:17,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:22:17,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:22:17,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:22:17,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:22:17,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:22:17,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:22:17,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:22:17,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:22:17,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:22:17,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:22:17,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:22:17,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:22:17,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:22:17,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:22:17,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:22:17,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:22:17,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:22:17,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:22:17,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:22:17,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:22:17,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:22:17,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:22:17,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:22:17,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:22:17,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:22:17,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:22:17,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:22:17,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:22:17,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:22:17,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:22:17,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:22:17,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:22:17,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:22:17,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:22:17,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:22:17,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:22:17,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:22:17,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:22:17,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:22:17,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:22:17,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:22:17,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:22:17,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:22:17,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:22:17,816 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:22:17,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:22:17,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:22:17,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:22:17,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:22:17,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:22:17,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:22:17,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:22:17,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:22:17,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:22:17,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:22:17,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:22:17,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:22:17,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:22:17,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:22:17,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:22:17,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:22:17,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:22:17,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:22:17,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:22:17,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:22:17,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:22:17,823 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:22:17,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:22:17,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:22:17,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:22:17,825 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_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83003e08d0b0727d8396cfdc2be95d1bd0956c017aa98740983eff57678f4a43 [2021-10-21 19:22:18,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:22:18,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:22:18,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:22:18,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:22:18,106 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:22:18,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem02_label08.c [2021-10-21 19:22:18,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/data/22dc3c786/31b72777efde417c8a9cdfeb14445fda/FLAGc7b73db3d [2021-10-21 19:22:18,878 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:22:18,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/sv-benchmarks/c/eca-rers2012/Problem02_label08.c [2021-10-21 19:22:18,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/data/22dc3c786/31b72777efde417c8a9cdfeb14445fda/FLAGc7b73db3d [2021-10-21 19:22:19,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/data/22dc3c786/31b72777efde417c8a9cdfeb14445fda [2021-10-21 19:22:19,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:22:19,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:22:19,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:22:19,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:22:19,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:22:19,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed3be9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19, skipping insertion in model container [2021-10-21 19:22:19,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:22:19,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:22:19,579 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_c7cf1848-9e25-42f8-a580-6f04c450008e/sv-benchmarks/c/eca-rers2012/Problem02_label08.c[19283,19296] [2021-10-21 19:22:19,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:22:19,628 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:22:19,739 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_c7cf1848-9e25-42f8-a580-6f04c450008e/sv-benchmarks/c/eca-rers2012/Problem02_label08.c[19283,19296] [2021-10-21 19:22:19,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:22:19,780 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:22:19,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19 WrapperNode [2021-10-21 19:22:19,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:22:19,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:22:19,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:22:19,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:22:19,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:22:19,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:22:19,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:22:19,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:22:19,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:22:19,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:22:19,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:22:19,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:22:19,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (1/1) ... [2021-10-21 19:22:19,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:22:20,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:22:20,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:22:20,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:22:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:22:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:22:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:22:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:22:21,329 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:22:21,329 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:22:21,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:22:21 BoogieIcfgContainer [2021-10-21 19:22:21,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:22:21,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:22:21,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:22:21,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:22:21,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:22:19" (1/3) ... [2021-10-21 19:22:21,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53da3bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:22:21, skipping insertion in model container [2021-10-21 19:22:21,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:19" (2/3) ... [2021-10-21 19:22:21,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53da3bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:22:21, skipping insertion in model container [2021-10-21 19:22:21,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:22:21" (3/3) ... [2021-10-21 19:22:21,347 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label08.c [2021-10-21 19:22:21,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:22:21,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:22:21,397 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:22:21,404 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 [2021-10-21 19:22:21,405 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:22:21,432 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) [2021-10-21 19:22:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-21 19:22:21,451 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:21,452 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:21,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:21,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:21,459 INFO L82 PathProgramCache]: Analyzing trace with hash -266760851, now seen corresponding path program 1 times [2021-10-21 19:22:21,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:21,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460160189] [2021-10-21 19:22:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:21,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:22:22,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:22,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460160189] [2021-10-21 19:22:22,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460160189] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:22,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:22,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:22:22,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451072855] [2021-10-21 19:22:22,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:22,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:22,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:22,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:22,063 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 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2021-10-21 19:22:22,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:22,913 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2021-10-21 19:22:22,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:22,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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 122 [2021-10-21 19:22:22,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:22,931 INFO L225 Difference]: With dead ends: 596 [2021-10-21 19:22:22,932 INFO L226 Difference]: Without dead ends: 305 [2021-10-21 19:22:22,936 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:22,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-21 19:22:23,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-10-21 19:22:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.5263157894736843) internal successors, (464), 304 states have internal predecessors, (464), 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) [2021-10-21 19:22:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2021-10-21 19:22:23,021 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 122 [2021-10-21 19:22:23,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:23,023 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2021-10-21 19:22:23,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2021-10-21 19:22:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2021-10-21 19:22:23,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-21 19:22:23,029 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:23,030 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:23,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:22:23,030 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:23,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:23,031 INFO L82 PathProgramCache]: Analyzing trace with hash -953262679, now seen corresponding path program 1 times [2021-10-21 19:22:23,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:23,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040482483] [2021-10-21 19:22:23,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:23,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:22:23,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:23,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040482483] [2021-10-21 19:22:23,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040482483] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:23,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:23,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:22:23,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817896012] [2021-10-21 19:22:23,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:23,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:23,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:23,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:23,153 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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) [2021-10-21 19:22:23,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:23,664 INFO L93 Difference]: Finished difference Result 900 states and 1374 transitions. [2021-10-21 19:22:23,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:23,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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 [2021-10-21 19:22:23,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:23,680 INFO L225 Difference]: With dead ends: 900 [2021-10-21 19:22:23,680 INFO L226 Difference]: Without dead ends: 597 [2021-10-21 19:22:23,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:23,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-10-21 19:22:23,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 456. [2021-10-21 19:22:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 455 states have (on average 1.4901098901098901) internal successors, (678), 455 states have internal predecessors, (678), 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) [2021-10-21 19:22:23,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 678 transitions. [2021-10-21 19:22:23,725 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 678 transitions. Word has length 133 [2021-10-21 19:22:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:23,725 INFO L470 AbstractCegarLoop]: Abstraction has 456 states and 678 transitions. [2021-10-21 19:22:23,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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) [2021-10-21 19:22:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 678 transitions. [2021-10-21 19:22:23,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-21 19:22:23,731 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:23,732 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:23,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:22:23,732 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:23,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:23,733 INFO L82 PathProgramCache]: Analyzing trace with hash 796838958, now seen corresponding path program 1 times [2021-10-21 19:22:23,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:23,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471399133] [2021-10-21 19:22:23,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:23,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:22:23,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:23,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471399133] [2021-10-21 19:22:23,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471399133] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:23,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:23,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:22:23,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57778125] [2021-10-21 19:22:23,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:23,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:23,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:23,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:23,827 INFO L87 Difference]: Start difference. First operand 456 states and 678 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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) [2021-10-21 19:22:24,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:24,310 INFO L93 Difference]: Finished difference Result 1352 states and 2016 transitions. [2021-10-21 19:22:24,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:24,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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 140 [2021-10-21 19:22:24,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:24,316 INFO L225 Difference]: With dead ends: 1352 [2021-10-21 19:22:24,317 INFO L226 Difference]: Without dead ends: 898 [2021-10-21 19:22:24,318 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:24,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2021-10-21 19:22:24,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 889. [2021-10-21 19:22:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 888 states have (on average 1.4391891891891893) internal successors, (1278), 888 states have internal predecessors, (1278), 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) [2021-10-21 19:22:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1278 transitions. [2021-10-21 19:22:24,370 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1278 transitions. Word has length 140 [2021-10-21 19:22:24,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:24,370 INFO L470 AbstractCegarLoop]: Abstraction has 889 states and 1278 transitions. [2021-10-21 19:22:24,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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) [2021-10-21 19:22:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1278 transitions. [2021-10-21 19:22:24,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-21 19:22:24,385 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:24,385 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:24,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:22:24,386 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:24,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:24,387 INFO L82 PathProgramCache]: Analyzing trace with hash -2093077735, now seen corresponding path program 1 times [2021-10-21 19:22:24,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:24,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762406229] [2021-10-21 19:22:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:24,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:22:24,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:24,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762406229] [2021-10-21 19:22:24,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762406229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:24,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:24,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:22:24,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300952706] [2021-10-21 19:22:24,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:24,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:24,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:24,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:24,484 INFO L87 Difference]: Start difference. First operand 889 states and 1278 transitions. Second operand has 3 states, 3 states have (on average 48.0) 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) [2021-10-21 19:22:25,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:25,003 INFO L93 Difference]: Finished difference Result 2619 states and 3774 transitions. [2021-10-21 19:22:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:25,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) 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 144 [2021-10-21 19:22:25,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:25,016 INFO L225 Difference]: With dead ends: 2619 [2021-10-21 19:22:25,016 INFO L226 Difference]: Without dead ends: 1732 [2021-10-21 19:22:25,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:25,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2021-10-21 19:22:25,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1452. [2021-10-21 19:22:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1451 states have (on average 1.377670572019297) internal successors, (1999), 1451 states have internal predecessors, (1999), 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) [2021-10-21 19:22:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1999 transitions. [2021-10-21 19:22:25,107 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1999 transitions. Word has length 144 [2021-10-21 19:22:25,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:25,108 INFO L470 AbstractCegarLoop]: Abstraction has 1452 states and 1999 transitions. [2021-10-21 19:22:25,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) 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) [2021-10-21 19:22:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1999 transitions. [2021-10-21 19:22:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-21 19:22:25,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:25,114 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:25,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:22:25,114 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:25,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:25,115 INFO L82 PathProgramCache]: Analyzing trace with hash 594620078, now seen corresponding path program 1 times [2021-10-21 19:22:25,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:25,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919607679] [2021-10-21 19:22:25,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:25,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-21 19:22:25,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:25,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919607679] [2021-10-21 19:22:25,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919607679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:25,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:25,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:22:25,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125017410] [2021-10-21 19:22:25,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:25,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:25,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:25,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:25,171 INFO L87 Difference]: Start difference. First operand 1452 states and 1999 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) [2021-10-21 19:22:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:25,611 INFO L93 Difference]: Finished difference Result 2761 states and 3780 transitions. [2021-10-21 19:22:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:25,611 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 149 [2021-10-21 19:22:25,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:25,619 INFO L225 Difference]: With dead ends: 2761 [2021-10-21 19:22:25,619 INFO L226 Difference]: Without dead ends: 1311 [2021-10-21 19:22:25,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:25,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2021-10-21 19:22:25,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1303. [2021-10-21 19:22:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1302 states have (on average 1.2972350230414746) internal successors, (1689), 1302 states have internal predecessors, (1689), 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) [2021-10-21 19:22:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1689 transitions. [2021-10-21 19:22:25,673 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1689 transitions. Word has length 149 [2021-10-21 19:22:25,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:25,673 INFO L470 AbstractCegarLoop]: Abstraction has 1303 states and 1689 transitions. [2021-10-21 19:22:25,674 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) [2021-10-21 19:22:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1689 transitions. [2021-10-21 19:22:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-21 19:22:25,678 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:25,679 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:25,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:22:25,679 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:25,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:25,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1721690927, now seen corresponding path program 1 times [2021-10-21 19:22:25,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:25,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707324708] [2021-10-21 19:22:25,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:25,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:22:25,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:25,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707324708] [2021-10-21 19:22:25,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707324708] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:22:25,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291902442] [2021-10-21 19:22:25,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:25,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:22:25,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:22:25,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:22:26,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:22:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:26,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:22:26,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:22:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:22:26,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291902442] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:26,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:22:26,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:22:26,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963842919] [2021-10-21 19:22:26,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:26,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:26,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:26,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:22:26,687 INFO L87 Difference]: Start difference. First operand 1303 states and 1689 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) [2021-10-21 19:22:27,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:27,198 INFO L93 Difference]: Finished difference Result 3308 states and 4336 transitions. [2021-10-21 19:22:27,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:27,199 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 149 [2021-10-21 19:22:27,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:27,214 INFO L225 Difference]: With dead ends: 3308 [2021-10-21 19:22:27,214 INFO L226 Difference]: Without dead ends: 2007 [2021-10-21 19:22:27,217 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 19.6ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:22:27,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2021-10-21 19:22:27,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1863. [2021-10-21 19:22:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1862 states have (on average 1.301825993555317) internal successors, (2424), 1862 states have internal predecessors, (2424), 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) [2021-10-21 19:22:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2424 transitions. [2021-10-21 19:22:27,301 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2424 transitions. Word has length 149 [2021-10-21 19:22:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:27,302 INFO L470 AbstractCegarLoop]: Abstraction has 1863 states and 2424 transitions. [2021-10-21 19:22:27,302 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) [2021-10-21 19:22:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2424 transitions. [2021-10-21 19:22:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-21 19:22:27,308 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:27,309 INFO L512 BasicCegarLoop]: trace histogram [3, 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, 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] [2021-10-21 19:22:27,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:22:27,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:22:27,536 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:27,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:27,537 INFO L82 PathProgramCache]: Analyzing trace with hash -539158663, now seen corresponding path program 1 times [2021-10-21 19:22:27,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:27,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107274197] [2021-10-21 19:22:27,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:27,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-21 19:22:27,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:27,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107274197] [2021-10-21 19:22:27,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107274197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:27,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:27,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:22:27,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793742861] [2021-10-21 19:22:27,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:27,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:27,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:27,595 INFO L87 Difference]: Start difference. First operand 1863 states and 2424 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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) [2021-10-21 19:22:28,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:28,101 INFO L93 Difference]: Finished difference Result 4844 states and 6271 transitions. [2021-10-21 19:22:28,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:28,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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 205 [2021-10-21 19:22:28,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:28,119 INFO L225 Difference]: With dead ends: 4844 [2021-10-21 19:22:28,120 INFO L226 Difference]: Without dead ends: 2983 [2021-10-21 19:22:28,123 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:28,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2021-10-21 19:22:28,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2983. [2021-10-21 19:22:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2982 states have (on average 1.2132796780684105) internal successors, (3618), 2982 states have internal predecessors, (3618), 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) [2021-10-21 19:22:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 3618 transitions. [2021-10-21 19:22:28,200 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 3618 transitions. Word has length 205 [2021-10-21 19:22:28,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:28,200 INFO L470 AbstractCegarLoop]: Abstraction has 2983 states and 3618 transitions. [2021-10-21 19:22:28,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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) [2021-10-21 19:22:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3618 transitions. [2021-10-21 19:22:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-10-21 19:22:28,208 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:28,208 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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] [2021-10-21 19:22:28,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:22:28,209 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:28,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:28,210 INFO L82 PathProgramCache]: Analyzing trace with hash -278689933, now seen corresponding path program 1 times [2021-10-21 19:22:28,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:28,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986856941] [2021-10-21 19:22:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:28,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-21 19:22:28,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:28,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986856941] [2021-10-21 19:22:28,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986856941] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:28,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:28,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:22:28,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748338135] [2021-10-21 19:22:28,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:28,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:28,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:28,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:28,301 INFO L87 Difference]: Start difference. First operand 2983 states and 3618 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2021-10-21 19:22:28,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:28,737 INFO L93 Difference]: Finished difference Result 5530 states and 6682 transitions. [2021-10-21 19:22:28,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:28,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 211 [2021-10-21 19:22:28,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:28,751 INFO L225 Difference]: With dead ends: 5530 [2021-10-21 19:22:28,752 INFO L226 Difference]: Without dead ends: 2549 [2021-10-21 19:22:28,755 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:28,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2021-10-21 19:22:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 1849. [2021-10-21 19:22:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1848 states have (on average 1.149891774891775) internal successors, (2125), 1848 states have internal predecessors, (2125), 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) [2021-10-21 19:22:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2125 transitions. [2021-10-21 19:22:28,811 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2125 transitions. Word has length 211 [2021-10-21 19:22:28,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:28,812 INFO L470 AbstractCegarLoop]: Abstraction has 1849 states and 2125 transitions. [2021-10-21 19:22:28,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2021-10-21 19:22:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2125 transitions. [2021-10-21 19:22:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-10-21 19:22:28,818 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:28,819 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:28,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:22:28,819 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:28,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:28,820 INFO L82 PathProgramCache]: Analyzing trace with hash -851116301, now seen corresponding path program 1 times [2021-10-21 19:22:28,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:28,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921799444] [2021-10-21 19:22:28,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:28,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:22:28,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:28,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921799444] [2021-10-21 19:22:28,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921799444] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:22:28,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910201488] [2021-10-21 19:22:28,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:28,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:22:28,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:22:28,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:22:28,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:22:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:29,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:22:29,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:22:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:22:29,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910201488] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:29,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:22:29,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-21 19:22:29,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794929959] [2021-10-21 19:22:29,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:29,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:29,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:22:29,634 INFO L87 Difference]: Start difference. First operand 1849 states and 2125 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2021-10-21 19:22:30,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:30,069 INFO L93 Difference]: Finished difference Result 3833 states and 4385 transitions. [2021-10-21 19:22:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:30,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 222 [2021-10-21 19:22:30,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:30,079 INFO L225 Difference]: With dead ends: 3833 [2021-10-21 19:22:30,079 INFO L226 Difference]: Without dead ends: 1706 [2021-10-21 19:22:30,082 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:22:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2021-10-21 19:22:30,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2021-10-21 19:22:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1705 states have (on average 1.098533724340176) internal successors, (1873), 1705 states have internal predecessors, (1873), 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) [2021-10-21 19:22:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 1873 transitions. [2021-10-21 19:22:30,123 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 1873 transitions. Word has length 222 [2021-10-21 19:22:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:30,123 INFO L470 AbstractCegarLoop]: Abstraction has 1706 states and 1873 transitions. [2021-10-21 19:22:30,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2021-10-21 19:22:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 1873 transitions. [2021-10-21 19:22:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-10-21 19:22:30,129 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:30,130 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:30,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:22:30,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:22:30,352 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:30,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:30,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1830719886, now seen corresponding path program 1 times [2021-10-21 19:22:30,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:30,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716851602] [2021-10-21 19:22:30,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:30,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-21 19:22:30,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:30,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716851602] [2021-10-21 19:22:30,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716851602] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:30,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:30,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:22:30,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933405860] [2021-10-21 19:22:30,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:22:30,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:30,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:22:30,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:30,437 INFO L87 Difference]: Start difference. First operand 1706 states and 1873 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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) [2021-10-21 19:22:30,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:30,652 INFO L93 Difference]: Finished difference Result 2976 states and 3271 transitions. [2021-10-21 19:22:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:22:30,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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 224 [2021-10-21 19:22:30,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:30,653 INFO L225 Difference]: With dead ends: 2976 [2021-10-21 19:22:30,654 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:22:30,656 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:22:30,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:22:30,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:22:30,657 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) [2021-10-21 19:22:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:22:30,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2021-10-21 19:22:30,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:30,658 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:22:30,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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) [2021-10-21 19:22:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:22:30,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:22:30,661 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:22:30,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:22:30,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:22:30,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:22:30,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:22:30,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:22:31,005 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,005 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,005 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,005 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-21 19:22:31,005 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-21 19:22:31,005 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,006 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-21 19:22:31,007 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-21 19:22:31,007 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-21 19:22:31,007 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-21 19:22:31,007 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-21 19:22:31,007 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,007 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,007 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,007 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-21 19:22:31,008 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-21 19:22:31,009 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-21 19:22:31,010 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-21 19:22:31,011 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-21 19:22:31,011 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-21 19:22:31,011 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,011 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,011 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,011 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-21 19:22:31,011 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-21 19:22:31,017 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-21 19:22:31,017 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-21 19:22:31,018 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-21 19:22:31,018 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,018 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,018 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,018 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-21 19:22:31,019 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-21 19:22:31,019 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-21 19:22:31,019 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-21 19:22:31,019 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-21 19:22:31,019 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-21 19:22:31,019 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-21 19:22:31,020 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-21 19:22:31,020 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,020 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,020 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,020 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-21 19:22:31,020 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:22:31,021 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-21 19:22:31,021 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-21 19:22:31,021 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-21 19:22:31,021 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-21 19:22:31,021 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-21 19:22:31,021 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-21 19:22:31,022 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-21 19:22:31,022 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,022 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,022 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,022 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-21 19:22:31,022 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-21 19:22:31,023 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-21 19:22:31,023 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-21 19:22:31,025 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-21 19:22:31,025 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-21 19:22:31,025 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-21 19:22:31,025 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-21 19:22:31,026 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-21 19:22:31,026 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,026 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,026 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,026 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-21 19:22:31,026 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-21 19:22:31,027 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-21 19:22:31,027 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-21 19:22:31,027 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-21 19:22:31,027 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-21 19:22:31,027 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:22:31,027 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2021-10-21 19:22:31,028 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,028 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,028 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,029 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-21 19:22:31,029 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-21 19:22:31,029 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-21 19:22:31,029 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-21 19:22:31,030 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-21 19:22:31,030 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-21 19:22:31,030 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-21 19:22:31,030 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-21 19:22:31,030 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,030 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,031 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,031 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-21 19:22:31,031 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-21 19:22:31,032 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-21 19:22:31,032 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-21 19:22:31,032 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-21 19:22:31,032 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,033 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,033 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,033 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-21 19:22:31,033 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-21 19:22:31,033 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-21 19:22:31,033 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-21 19:22:31,034 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-21 19:22:31,034 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-21 19:22:31,034 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-21 19:22:31,034 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-21 19:22:31,034 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-21 19:22:31,034 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-21 19:22:31,035 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-21 19:22:31,035 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,035 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,035 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-21 19:22:31,035 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-21 19:22:31,035 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-21 19:22:31,036 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-21 19:22:31,036 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-21 19:22:31,036 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-21 19:22:31,036 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-21 19:22:31,036 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-21 19:22:31,036 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-21 19:22:31,040 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 9)) (.cse8 (= ~a25~0 1)) (.cse5 (= ~a11~0 1)) (.cse6 (<= ~a28~0 10)) (.cse9 (= ~a19~0 1))) (let ((.cse4 (<= ~a19~0 0)) (.cse7 (or (and .cse8 .cse0 .cse5) (and .cse8 (<= 8 ~a17~0) .cse5 .cse6 .cse9))) (.cse3 (<= ~a25~0 0)) (.cse1 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse4) (and .cse8 .cse1 .cse2 .cse6 .cse4) (and .cse7 .cse2) (and .cse1 .cse2 .cse6 .cse9 .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse8 .cse1 .cse2 .cse9)))) [2021-10-21 19:22:31,040 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,041 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,041 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-21 19:22:31,041 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-21 19:22:31,041 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-21 19:22:31,041 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-21 19:22:31,041 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-21 19:22:31,042 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-21 19:22:31,042 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-21 19:22:31,042 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,042 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,042 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-21 19:22:31,042 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-21 19:22:31,042 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-21 19:22:31,043 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-21 19:22:31,043 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-21 19:22:31,043 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-21 19:22:31,043 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-21 19:22:31,043 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-21 19:22:31,046 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-21 19:22:31,046 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,046 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,046 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-21 19:22:31,046 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-21 19:22:31,047 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-21 19:22:31,047 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-21 19:22:31,047 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:22:31,047 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-21 19:22:31,047 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-21 19:22:31,048 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 9)) (.cse8 (= ~a25~0 1)) (.cse5 (= ~a11~0 1)) (.cse6 (<= ~a28~0 10)) (.cse9 (= ~a19~0 1))) (let ((.cse4 (<= ~a19~0 0)) (.cse7 (or (and .cse8 .cse0 .cse5) (and .cse8 (<= 8 ~a17~0) .cse5 .cse6 .cse9))) (.cse3 (<= ~a25~0 0)) (.cse1 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse4) (and .cse8 .cse1 .cse2 .cse6 .cse4) (and .cse7 .cse2) (and .cse1 .cse2 .cse6 .cse9 .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse8 .cse1 .cse2 .cse9)))) [2021-10-21 19:22:31,048 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,048 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,048 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-21 19:22:31,049 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-21 19:22:31,049 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-21 19:22:31,049 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-21 19:22:31,049 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-21 19:22:31,049 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,049 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,049 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-21 19:22:31,050 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-21 19:22:31,050 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-21 19:22:31,050 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-21 19:22:31,050 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-21 19:22:31,050 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-21 19:22:31,050 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-21 19:22:31,051 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-21 19:22:31,051 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-21 19:22:31,051 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,051 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,051 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-21 19:22:31,051 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,052 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:22:31,052 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-21 19:22:31,052 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-21 19:22:31,052 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-21 19:22:31,052 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-21 19:22:31,052 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-21 19:22:31,052 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-21 19:22:31,053 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,053 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,053 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,053 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-21 19:22:31,053 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-21 19:22:31,053 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-21 19:22:31,053 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-21 19:22:31,054 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-21 19:22:31,054 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,054 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,054 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-21 19:22:31,054 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-21 19:22:31,054 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-21 19:22:31,055 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-21 19:22:31,055 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-21 19:22:31,055 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-21 19:22:31,055 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-21 19:22:31,060 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:22:31,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:22:31 BoogieIcfgContainer [2021-10-21 19:22:31,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:22:31,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:22:31,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:22:31,104 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:22:31,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:22:21" (3/4) ... [2021-10-21 19:22:31,107 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:22:31,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:22:31,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:22:31,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:22:31,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:22:31,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:22:31,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:22:31,290 INFO L168 Benchmark]: Toolchain (without parser) took 12192.48 ms. Allocated memory was 119.5 MB in the beginning and 203.4 MB in the end (delta: 83.9 MB). Free memory was 83.5 MB in the beginning and 135.1 MB in the end (delta: -51.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:31,292 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 60.4 MB in the beginning and 60.4 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:22:31,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.99 ms. Allocated memory is still 119.5 MB. Free memory was 83.2 MB in the beginning and 77.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:31,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.20 ms. Allocated memory is still 119.5 MB. Free memory was 77.8 MB in the beginning and 72.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:31,293 INFO L168 Benchmark]: Boogie Preprocessor took 84.77 ms. Allocated memory is still 119.5 MB. Free memory was 72.6 MB in the beginning and 68.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:31,294 INFO L168 Benchmark]: RCFGBuilder took 1366.82 ms. Allocated memory is still 119.5 MB. Free memory was 68.3 MB in the beginning and 67.7 MB in the end (delta: 649.6 kB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:31,294 INFO L168 Benchmark]: TraceAbstraction took 9766.80 ms. Allocated memory was 119.5 MB in the beginning and 203.4 MB in the end (delta: 83.9 MB). Free memory was 67.0 MB in the beginning and 149.7 MB in the end (delta: -82.7 MB). Peak memory consumption was 98.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:31,294 INFO L168 Benchmark]: Witness Printer took 185.39 ms. Allocated memory is still 203.4 MB. Free memory was 149.7 MB in the beginning and 135.1 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:31,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 60.4 MB in the beginning and 60.4 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 681.99 ms. Allocated memory is still 119.5 MB. Free memory was 83.2 MB in the beginning and 77.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.20 ms. Allocated memory is still 119.5 MB. Free memory was 77.8 MB in the beginning and 72.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.77 ms. Allocated memory is still 119.5 MB. Free memory was 72.6 MB in the beginning and 68.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1366.82 ms. Allocated memory is still 119.5 MB. Free memory was 68.3 MB in the beginning and 67.7 MB in the end (delta: 649.6 kB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9766.80 ms. Allocated memory was 119.5 MB in the beginning and 203.4 MB in the end (delta: 83.9 MB). Free memory was 67.0 MB in the beginning and 149.7 MB in the end (delta: -82.7 MB). Peak memory consumption was 98.0 MB. Max. memory is 16.1 GB. * Witness Printer took 185.39 ms. Allocated memory is still 203.4 MB. Free memory was 149.7 MB in the beginning and 135.1 MB in the end (delta: 14.6 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 548]: 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: 9664.6ms, OverallIterations: 10, TraceHistogramMax: 4, EmptinessCheckTime: 84.6ms, AutomataDifference: 5089.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 342.5ms, InitialAbstractionConstructionTime: 19.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1106 SDtfs, 1432 SDslu, 151 SDs, 0 SdLazy, 3514 SolverSat, 714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3427.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 46.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2983occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 555.3ms AutomataMinimizationTime, 10 MinimizatonAttempts, 1282 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 27 NumberOfFragments, 301 HoareAnnotationTreeSize, 3 FomulaSimplifications, 716 FormulaSimplificationTreeSizeReduction, 52.9ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 281.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 168.2ms SsaConstructionTime, 485.7ms SatisfiabilityAnalysisTime, 1979.6ms InterpolantComputationTime, 2070 NumberOfCodeBlocks, 2070 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2058 ConstructedInterpolants, 0 QuantifiedInterpolants, 4907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 684 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 709/741 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: ((((((((((a28 <= 9 && a11 == 0) && a17 <= 8) && a25 <= 0) && a19 <= 0) || (((a11 == 1 && a28 <= 10) && a25 <= 0) && a19 <= 0)) || ((((a25 == 1 && a28 <= 9) && a11 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 1) && a28 <= 10) && a19 == 1)) && a19 <= 0)) || ((((a25 == 1 && a11 == 0) && a17 <= 8) && a28 <= 10) && a19 <= 0)) || ((((a25 == 1 && a28 <= 9) && a11 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 1) && a28 <= 10) && a19 == 1)) && a17 <= 8)) || ((((a11 == 0 && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 <= 0)) || (((a11 == 1 && a17 <= 8) && a28 <= 10) && a25 <= 0)) || (((a25 == 1 && a11 == 0) && a17 <= 8) && a19 == 1) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((a28 <= 9 && a11 == 0) && a17 <= 8) && a25 <= 0) && a19 <= 0) || (((a11 == 1 && a28 <= 10) && a25 <= 0) && a19 <= 0)) || ((((a25 == 1 && a28 <= 9) && a11 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 1) && a28 <= 10) && a19 == 1)) && a19 <= 0)) || ((((a25 == 1 && a11 == 0) && a17 <= 8) && a28 <= 10) && a19 <= 0)) || ((((a25 == 1 && a28 <= 9) && a11 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 1) && a28 <= 10) && a19 == 1)) && a17 <= 8)) || ((((a11 == 0 && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 <= 0)) || (((a11 == 1 && a17 <= 8) && a28 <= 10) && a25 <= 0)) || (((a25 == 1 && a11 == 0) && a17 <= 8) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:22:31,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cf1848-9e25-42f8-a580-6f04c450008e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...