./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label21.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_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/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_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/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_043d3e4a-dd35-4690-964c-e0ef202e7775/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 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:01:36,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:01:36,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:01:36,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:01:36,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:01:36,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:01:36,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:01:36,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:01:36,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:01:36,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:01:36,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:01:36,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:01:36,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:01:36,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:01:36,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:01:36,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:01:36,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:01:36,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:01:36,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:01:36,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:01:36,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:01:36,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:01:36,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:01:36,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:01:36,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:01:36,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:01:36,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:01:36,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:01:36,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:01:36,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:01:36,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:01:37,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:01:37,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:01:37,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:01:37,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:01:37,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:01:37,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:01:37,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:01:37,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:01:37,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:01:37,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:01:37,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:01:37,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:01:37,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:01:37,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:01:37,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:01:37,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:01:37,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:01:37,095 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:01:37,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:01:37,095 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:01:37,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:01:37,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:01:37,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:01:37,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:01:37,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:01:37,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:01:37,097 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:01:37,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:01:37,098 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:01:37,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:01:37,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:01:37,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:01:37,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:01:37,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:01:37,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:01:37,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:01:37,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:01:37,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:01:37,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:01:37,100 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:01:37,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:01:37,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:01:37,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:01:37,101 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_043d3e4a-dd35-4690-964c-e0ef202e7775/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 [2021-10-21 20:01:37,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:01:37,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:01:37,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:01:37,488 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:01:37,489 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:01:37,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2021-10-21 20:01:37,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/data/433c175ac/75e865e9368f416ba1a9723b2706eba0/FLAGf802d1f97 [2021-10-21 20:01:38,405 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:01:38,405 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2021-10-21 20:01:38,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/data/433c175ac/75e865e9368f416ba1a9723b2706eba0/FLAGf802d1f97 [2021-10-21 20:01:38,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/data/433c175ac/75e865e9368f416ba1a9723b2706eba0 [2021-10-21 20:01:38,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:01:38,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:01:38,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:01:38,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:01:38,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:01:38,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:01:38" (1/1) ... [2021-10-21 20:01:38,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6462a793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:38, skipping insertion in model container [2021-10-21 20:01:38,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:01:38" (1/1) ... [2021-10-21 20:01:38,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:01:38,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:01:38,980 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_043d3e4a-dd35-4690-964c-e0ef202e7775/sv-benchmarks/c/eca-rers2012/Problem16_label21.c[4121,4134] [2021-10-21 20:01:39,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:01:39,617 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:01:39,645 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_043d3e4a-dd35-4690-964c-e0ef202e7775/sv-benchmarks/c/eca-rers2012/Problem16_label21.c[4121,4134] [2021-10-21 20:01:39,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:01:39,932 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:01:39,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39 WrapperNode [2021-10-21 20:01:39,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:01:39,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:01:39,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:01:39,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:01:39,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:01:40,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:01:40,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:01:40,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:01:40,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:01:40,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:01:40,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:01:40,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:01:40,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (1/1) ... [2021-10-21 20:01:40,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:01:40,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:01:40,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:01:40,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:01:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:01:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:01:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:01:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:01:43,714 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:01:43,714 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 20:01:43,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:01:43 BoogieIcfgContainer [2021-10-21 20:01:43,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:01:43,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:01:43,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:01:43,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:01:43,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:01:38" (1/3) ... [2021-10-21 20:01:43,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9f6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:01:43, skipping insertion in model container [2021-10-21 20:01:43,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:39" (2/3) ... [2021-10-21 20:01:43,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9f6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:01:43, skipping insertion in model container [2021-10-21 20:01:43,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:01:43" (3/3) ... [2021-10-21 20:01:43,730 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label21.c [2021-10-21 20:01:43,740 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:01:43,740 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:01:43,812 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:01:43,824 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 20:01:43,824 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:01:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 20:01:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-21 20:01:43,879 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:01:43,880 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] [2021-10-21 20:01:43,881 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:01:43,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:43,898 INFO L82 PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times [2021-10-21 20:01:43,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:43,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894016819] [2021-10-21 20:01:43,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:43,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:44,209 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 20:01:44,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:44,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894016819] [2021-10-21 20:01:44,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894016819] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:44,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:44,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:01:44,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698349746] [2021-10-21 20:01:44,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:01:44,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:44,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:01:44,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:01:44,237 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 20:01:48,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:01:48,674 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2021-10-21 20:01:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:01:48,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2021-10-21 20:01:48,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:01:48,709 INFO L225 Difference]: With dead ends: 1456 [2021-10-21 20:01:48,709 INFO L226 Difference]: Without dead ends: 991 [2021-10-21 20:01:48,716 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:01:48,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-10-21 20:01:48,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-10-21 20:01:48,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.497979797979798) internal successors, (1483), 990 states have internal predecessors, (1483), 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 20:01:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1483 transitions. [2021-10-21 20:01:48,862 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1483 transitions. Word has length 38 [2021-10-21 20:01:48,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:01:48,864 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1483 transitions. [2021-10-21 20:01:48,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 20:01:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1483 transitions. [2021-10-21 20:01:48,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-10-21 20:01:48,886 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:01:48,887 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-21 20:01:48,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:01:48,888 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:01:48,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:48,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1339527614, now seen corresponding path program 1 times [2021-10-21 20:01:48,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:48,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091554139] [2021-10-21 20:01:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:48,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:01:49,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:49,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091554139] [2021-10-21 20:01:49,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091554139] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:49,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:49,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:01:49,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494573242] [2021-10-21 20:01:49,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:01:49,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:49,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:01:49,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:01:49,338 INFO L87 Difference]: Start difference. First operand 991 states and 1483 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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 20:01:51,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:01:51,204 INFO L93 Difference]: Finished difference Result 1980 states and 3168 transitions. [2021-10-21 20:01:51,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:01:51,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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 228 [2021-10-21 20:01:51,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:01:51,217 INFO L225 Difference]: With dead ends: 1980 [2021-10-21 20:01:51,217 INFO L226 Difference]: Without dead ends: 1320 [2021-10-21 20:01:51,219 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:01:51,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-10-21 20:01:51,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-10-21 20:01:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.423805913570887) internal successors, (1878), 1319 states have internal predecessors, (1878), 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 20:01:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1878 transitions. [2021-10-21 20:01:51,270 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1878 transitions. Word has length 228 [2021-10-21 20:01:51,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:01:51,272 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1878 transitions. [2021-10-21 20:01:51,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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 20:01:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1878 transitions. [2021-10-21 20:01:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-21 20:01:51,281 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:01:51,281 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-21 20:01:51,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:01:51,282 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:01:51,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:51,283 INFO L82 PathProgramCache]: Analyzing trace with hash -324745580, now seen corresponding path program 1 times [2021-10-21 20:01:51,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:51,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356280589] [2021-10-21 20:01:51,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:51,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-21 20:01:51,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:51,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356280589] [2021-10-21 20:01:51,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356280589] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:51,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:51,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:01:51,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715537264] [2021-10-21 20:01:51,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:01:51,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:51,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:01:51,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:01:51,581 INFO L87 Difference]: Start difference. First operand 1320 states and 1878 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:53,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:01:53,631 INFO L93 Difference]: Finished difference Result 3296 states and 4947 transitions. [2021-10-21 20:01:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:01:53,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-21 20:01:53,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:01:53,648 INFO L225 Difference]: With dead ends: 3296 [2021-10-21 20:01:53,649 INFO L226 Difference]: Without dead ends: 1978 [2021-10-21 20:01:53,652 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:01:53,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-10-21 20:01:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-10-21 20:01:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.1335356600910471) internal successors, (2241), 1977 states have internal predecessors, (2241), 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 20:01:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2241 transitions. [2021-10-21 20:01:53,762 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2241 transitions. Word has length 231 [2021-10-21 20:01:53,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:01:53,764 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2241 transitions. [2021-10-21 20:01:53,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2241 transitions. [2021-10-21 20:01:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-10-21 20:01:53,777 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:01:53,778 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:01:53,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:01:53,779 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:01:53,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:53,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1462404787, now seen corresponding path program 1 times [2021-10-21 20:01:53,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:53,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113837883] [2021-10-21 20:01:53,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:53,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-10-21 20:01:53,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:53,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113837883] [2021-10-21 20:01:53,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113837883] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:53,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:53,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:01:53,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233763826] [2021-10-21 20:01:53,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:01:53,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:53,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:01:53,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:01:53,997 INFO L87 Difference]: Start difference. First operand 1978 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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 20:01:55,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:01:55,277 INFO L93 Difference]: Finished difference Result 3954 states and 4508 transitions. [2021-10-21 20:01:55,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:01:55,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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 357 [2021-10-21 20:01:55,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:01:55,293 INFO L225 Difference]: With dead ends: 3954 [2021-10-21 20:01:55,294 INFO L226 Difference]: Without dead ends: 2307 [2021-10-21 20:01:55,297 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:01:55,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2021-10-21 20:01:55,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2021-10-21 20:01:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.092801387684302) internal successors, (2520), 2306 states have internal predecessors, (2520), 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 20:01:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2520 transitions. [2021-10-21 20:01:55,361 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2520 transitions. Word has length 357 [2021-10-21 20:01:55,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:01:55,361 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 2520 transitions. [2021-10-21 20:01:55,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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 20:01:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2520 transitions. [2021-10-21 20:01:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2021-10-21 20:01:55,381 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:01:55,382 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:01:55,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:01:55,382 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:01:55,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:55,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1707840837, now seen corresponding path program 1 times [2021-10-21 20:01:55,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:55,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552630145] [2021-10-21 20:01:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:55,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-10-21 20:01:55,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:55,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552630145] [2021-10-21 20:01:55,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552630145] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:55,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:55,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:01:55,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349429121] [2021-10-21 20:01:55,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:01:55,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:55,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:01:55,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:01:55,855 INFO L87 Difference]: Start difference. First operand 2307 states and 2520 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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 20:01:58,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:01:58,078 INFO L93 Difference]: Finished difference Result 7902 states and 8695 transitions. [2021-10-21 20:01:58,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:01:58,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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 615 [2021-10-21 20:01:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:01:58,132 INFO L225 Difference]: With dead ends: 7902 [2021-10-21 20:01:58,132 INFO L226 Difference]: Without dead ends: 5926 [2021-10-21 20:01:58,137 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:01:58,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2021-10-21 20:01:58,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926. [2021-10-21 20:01:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.0778059071729957) internal successors, (6386), 5925 states have internal predecessors, (6386), 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 20:01:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 6386 transitions. [2021-10-21 20:01:58,384 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 6386 transitions. Word has length 615 [2021-10-21 20:01:58,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:01:58,385 INFO L470 AbstractCegarLoop]: Abstraction has 5926 states and 6386 transitions. [2021-10-21 20:01:58,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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 20:01:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 6386 transitions. [2021-10-21 20:01:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2021-10-21 20:01:58,420 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:01:58,421 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:01:58,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:01:58,422 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:01:58,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:58,423 INFO L82 PathProgramCache]: Analyzing trace with hash 228242809, now seen corresponding path program 1 times [2021-10-21 20:01:58,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:58,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18010172] [2021-10-21 20:01:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:58,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 698 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2021-10-21 20:01:58,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:58,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18010172] [2021-10-21 20:01:58,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18010172] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:58,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:58,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:01:58,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568203756] [2021-10-21 20:01:58,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:01:58,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:58,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:01:58,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:01:58,836 INFO L87 Difference]: Start difference. First operand 5926 states and 6386 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 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 20:02:00,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:00,139 INFO L93 Difference]: Finished difference Result 13824 states and 14963 transitions. [2021-10-21 20:02:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:00,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 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 711 [2021-10-21 20:02:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:00,200 INFO L225 Difference]: With dead ends: 13824 [2021-10-21 20:02:00,200 INFO L226 Difference]: Without dead ends: 8229 [2021-10-21 20:02:00,210 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:00,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2021-10-21 20:02:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 7900. [2021-10-21 20:02:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0783643499177111) internal successors, (8518), 7899 states have internal predecessors, (8518), 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 20:02:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8518 transitions. [2021-10-21 20:02:00,487 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8518 transitions. Word has length 711 [2021-10-21 20:02:00,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:00,488 INFO L470 AbstractCegarLoop]: Abstraction has 7900 states and 8518 transitions. [2021-10-21 20:02:00,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 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 20:02:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8518 transitions. [2021-10-21 20:02:00,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2021-10-21 20:02:00,521 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:00,522 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:00,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:02:00,523 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:00,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:00,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1717053680, now seen corresponding path program 1 times [2021-10-21 20:02:00,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:00,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924433118] [2021-10-21 20:02:00,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:00,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1594 backedges. 1151 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2021-10-21 20:02:00,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:00,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924433118] [2021-10-21 20:02:00,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924433118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:00,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:00,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:02:00,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254433150] [2021-10-21 20:02:00,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:00,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:00,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:00,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:00,895 INFO L87 Difference]: Start difference. First operand 7900 states and 8518 transitions. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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 20:02:02,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:02,231 INFO L93 Difference]: Finished difference Result 19088 states and 20689 transitions. [2021-10-21 20:02:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:02,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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 786 [2021-10-21 20:02:02,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:02,319 INFO L225 Difference]: With dead ends: 19088 [2021-10-21 20:02:02,323 INFO L226 Difference]: Without dead ends: 11848 [2021-10-21 20:02:02,335 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:02,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-10-21 20:02:02,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-10-21 20:02:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0752933232041868) internal successors, (12739), 11847 states have internal predecessors, (12739), 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 20:02:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12739 transitions. [2021-10-21 20:02:02,713 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12739 transitions. Word has length 786 [2021-10-21 20:02:02,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:02,715 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12739 transitions. [2021-10-21 20:02:02,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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 20:02:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12739 transitions. [2021-10-21 20:02:02,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1044 [2021-10-21 20:02:02,742 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:02,743 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:02,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:02:02,744 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:02,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:02,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1833353310, now seen corresponding path program 1 times [2021-10-21 20:02:02,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:02,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144682031] [2021-10-21 20:02:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:02,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2920 backedges. 1446 proven. 0 refuted. 0 times theorem prover too weak. 1474 trivial. 0 not checked. [2021-10-21 20:02:03,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:03,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144682031] [2021-10-21 20:02:03,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144682031] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:03,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:03,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:02:03,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758585169] [2021-10-21 20:02:03,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:02:03,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:03,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:02:03,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:02:03,445 INFO L87 Difference]: Start difference. First operand 11848 states and 12739 transitions. Second operand has 4 states, 4 states have (on average 134.75) internal successors, (539), 3 states have internal predecessors, (539), 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 20:02:04,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:04,711 INFO L93 Difference]: Finished difference Result 23036 states and 24809 transitions. [2021-10-21 20:02:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:04,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.75) internal successors, (539), 3 states have internal predecessors, (539), 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 1043 [2021-10-21 20:02:04,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:04,739 INFO L225 Difference]: With dead ends: 23036 [2021-10-21 20:02:04,739 INFO L226 Difference]: Without dead ends: 11848 [2021-10-21 20:02:04,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:02:04,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-10-21 20:02:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-10-21 20:02:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0750400945387018) internal successors, (12736), 11847 states have internal predecessors, (12736), 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 20:02:05,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12736 transitions. [2021-10-21 20:02:05,098 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12736 transitions. Word has length 1043 [2021-10-21 20:02:05,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:05,099 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12736 transitions. [2021-10-21 20:02:05,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.75) internal successors, (539), 3 states have internal predecessors, (539), 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 20:02:05,100 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12736 transitions. [2021-10-21 20:02:05,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2021-10-21 20:02:05,139 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:05,140 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:05,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:02:05,141 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:05,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:05,142 INFO L82 PathProgramCache]: Analyzing trace with hash -2136979894, now seen corresponding path program 1 times [2021-10-21 20:02:05,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:05,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599228594] [2021-10-21 20:02:05,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:05,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2920 backedges. 1289 proven. 157 refuted. 0 times theorem prover too weak. 1474 trivial. 0 not checked. [2021-10-21 20:02:05,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:05,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599228594] [2021-10-21 20:02:05,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599228594] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:05,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732700231] [2021-10-21 20:02:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:05,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:05,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:05,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:05,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:02:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:06,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:02:06,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2920 backedges. 1972 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2021-10-21 20:02:09,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732700231] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:09,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:02:09,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 20:02:09,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964453254] [2021-10-21 20:02:09,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:09,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:09,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:09,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:09,643 INFO L87 Difference]: Start difference. First operand 11848 states and 12736 transitions. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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 20:02:10,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:10,877 INFO L93 Difference]: Finished difference Result 25997 states and 28027 transitions. [2021-10-21 20:02:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:10,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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 1051 [2021-10-21 20:02:10,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:10,915 INFO L225 Difference]: With dead ends: 25997 [2021-10-21 20:02:10,915 INFO L226 Difference]: Without dead ends: 14809 [2021-10-21 20:02:10,929 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 1050 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 49.6ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:10,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-10-21 20:02:11,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 13493. [2021-10-21 20:02:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0787874295879039) internal successors, (14555), 13492 states have internal predecessors, (14555), 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 20:02:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14555 transitions. [2021-10-21 20:02:11,188 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14555 transitions. Word has length 1051 [2021-10-21 20:02:11,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:11,190 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 14555 transitions. [2021-10-21 20:02:11,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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 20:02:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14555 transitions. [2021-10-21 20:02:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2021-10-21 20:02:11,218 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:11,219 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:11,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:11,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:11,444 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:11,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:11,445 INFO L82 PathProgramCache]: Analyzing trace with hash -976901889, now seen corresponding path program 1 times [2021-10-21 20:02:11,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:11,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881343908] [2021-10-21 20:02:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:11,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1291 proven. 157 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2021-10-21 20:02:12,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:12,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881343908] [2021-10-21 20:02:12,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881343908] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:12,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77889199] [2021-10-21 20:02:12,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:12,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:12,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:12,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:12,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:02:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:12,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 1307 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:02:12,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1787 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2021-10-21 20:02:15,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77889199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:15,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:02:15,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 20:02:15,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023532129] [2021-10-21 20:02:15,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:15,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:15,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:15,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:15,646 INFO L87 Difference]: Start difference. First operand 13493 states and 14555 transitions. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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 20:02:16,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:16,601 INFO L93 Difference]: Finished difference Result 28300 states and 30539 transitions. [2021-10-21 20:02:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:16,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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 1052 [2021-10-21 20:02:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:16,644 INFO L225 Difference]: With dead ends: 28300 [2021-10-21 20:02:16,644 INFO L226 Difference]: Without dead ends: 15467 [2021-10-21 20:02:16,659 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1056 GetRequests, 1051 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 47.9ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:16,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2021-10-21 20:02:16,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 14151. [2021-10-21 20:02:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0534982332155478) internal successors, (14907), 14150 states have internal predecessors, (14907), 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 20:02:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14907 transitions. [2021-10-21 20:02:16,956 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14907 transitions. Word has length 1052 [2021-10-21 20:02:16,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:16,958 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14907 transitions. [2021-10-21 20:02:16,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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 20:02:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14907 transitions. [2021-10-21 20:02:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1094 [2021-10-21 20:02:16,988 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:16,989 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-21 20:02:17,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:17,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 20:02:17,204 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:17,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:17,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2140013688, now seen corresponding path program 1 times [2021-10-21 20:02:17,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:17,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441069044] [2021-10-21 20:02:17,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:17,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1283 proven. 157 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2021-10-21 20:02:17,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:17,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441069044] [2021-10-21 20:02:17,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441069044] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:17,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208708376] [2021-10-21 20:02:17,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:17,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:17,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:17,893 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:17,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:02:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:18,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:02:18,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1370 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-10-21 20:02:21,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208708376] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:21,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:02:21,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 20:02:21,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436491203] [2021-10-21 20:02:21,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:21,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:21,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:21,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:21,948 INFO L87 Difference]: Start difference. First operand 14151 states and 14907 transitions. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 20:02:23,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:23,004 INFO L93 Difference]: Finished difference Result 27642 states and 29148 transitions. [2021-10-21 20:02:23,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:23,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 1093 [2021-10-21 20:02:23,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:23,022 INFO L225 Difference]: With dead ends: 27642 [2021-10-21 20:02:23,023 INFO L226 Difference]: Without dead ends: 14151 [2021-10-21 20:02:23,034 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1097 GetRequests, 1092 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 41.9ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:23,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-10-21 20:02:23,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13822. [2021-10-21 20:02:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0458722234281166) internal successors, (14455), 13821 states have internal predecessors, (14455), 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 20:02:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14455 transitions. [2021-10-21 20:02:23,242 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14455 transitions. Word has length 1093 [2021-10-21 20:02:23,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:23,245 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14455 transitions. [2021-10-21 20:02:23,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 20:02:23,245 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14455 transitions. [2021-10-21 20:02:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1326 [2021-10-21 20:02:23,280 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:23,282 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-21 20:02:23,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:23,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-21 20:02:23,508 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:23,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:23,509 INFO L82 PathProgramCache]: Analyzing trace with hash -15328814, now seen corresponding path program 1 times [2021-10-21 20:02:23,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:23,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668359711] [2021-10-21 20:02:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:23,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3157 backedges. 1554 proven. 157 refuted. 0 times theorem prover too weak. 1446 trivial. 0 not checked. [2021-10-21 20:02:24,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:24,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668359711] [2021-10-21 20:02:24,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668359711] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:24,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530439852] [2021-10-21 20:02:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:24,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:24,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:24,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:24,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 20:02:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:25,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:02:25,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3157 backedges. 2100 proven. 0 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2021-10-21 20:02:28,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530439852] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:28,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:02:28,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 20:02:28,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502593206] [2021-10-21 20:02:28,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:28,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:28,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:28,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:28,765 INFO L87 Difference]: Start difference. First operand 13822 states and 14455 transitions. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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 20:02:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:29,815 INFO L93 Difference]: Finished difference Result 29945 states and 31417 transitions. [2021-10-21 20:02:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:29,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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 1325 [2021-10-21 20:02:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:29,841 INFO L225 Difference]: With dead ends: 29945 [2021-10-21 20:02:29,841 INFO L226 Difference]: Without dead ends: 16783 [2021-10-21 20:02:29,851 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1329 GetRequests, 1324 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 48.2ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:29,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-21 20:02:30,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16783. [2021-10-21 20:02:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0417709450601835) internal successors, (17483), 16782 states have internal predecessors, (17483), 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 20:02:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17483 transitions. [2021-10-21 20:02:30,188 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17483 transitions. Word has length 1325 [2021-10-21 20:02:30,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:30,189 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17483 transitions. [2021-10-21 20:02:30,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 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 20:02:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17483 transitions. [2021-10-21 20:02:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2021-10-21 20:02:30,231 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:30,232 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:30,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:30,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:30,461 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:30,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:30,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1465152405, now seen corresponding path program 1 times [2021-10-21 20:02:30,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:30,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437089501] [2021-10-21 20:02:30,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:30,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3092 backedges. 1994 proven. 0 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2021-10-21 20:02:31,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:31,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437089501] [2021-10-21 20:02:31,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437089501] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:31,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:31,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:02:31,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301334048] [2021-10-21 20:02:31,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:02:31,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:31,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:02:31,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:02:31,384 INFO L87 Difference]: Start difference. First operand 16783 states and 17483 transitions. Second operand has 6 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 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 20:02:33,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:33,208 INFO L93 Difference]: Finished difference Result 33027 states and 34421 transitions. [2021-10-21 20:02:33,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:02:33,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 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 1389 [2021-10-21 20:02:33,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:33,231 INFO L225 Difference]: With dead ends: 33027 [2021-10-21 20:02:33,231 INFO L226 Difference]: Without dead ends: 16904 [2021-10-21 20:02:33,242 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 52.8ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:02:33,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16904 states. [2021-10-21 20:02:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16904 to 16783. [2021-10-21 20:02:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0415325944464306) internal successors, (17479), 16782 states have internal predecessors, (17479), 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 20:02:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17479 transitions. [2021-10-21 20:02:33,508 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17479 transitions. Word has length 1389 [2021-10-21 20:02:33,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:33,510 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17479 transitions. [2021-10-21 20:02:33,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 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 20:02:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17479 transitions. [2021-10-21 20:02:33,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1394 [2021-10-21 20:02:33,647 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:33,648 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:33,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 20:02:33,649 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:33,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:33,650 INFO L82 PathProgramCache]: Analyzing trace with hash 153120386, now seen corresponding path program 1 times [2021-10-21 20:02:33,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:33,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35423308] [2021-10-21 20:02:33,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:33,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3648 backedges. 2526 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2021-10-21 20:02:34,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:34,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35423308] [2021-10-21 20:02:34,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35423308] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:34,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:34,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:02:34,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640607608] [2021-10-21 20:02:34,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:34,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:34,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:34,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:34,368 INFO L87 Difference]: Start difference. First operand 16783 states and 17479 transitions. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 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 20:02:35,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:35,609 INFO L93 Difference]: Finished difference Result 33893 states and 35298 transitions. [2021-10-21 20:02:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:35,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 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 1393 [2021-10-21 20:02:35,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:35,635 INFO L225 Difference]: With dead ends: 33893 [2021-10-21 20:02:35,635 INFO L226 Difference]: Without dead ends: 17770 [2021-10-21 20:02:35,648 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:35,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-21 20:02:35,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17441. [2021-10-21 20:02:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0375) internal successors, (18094), 17440 states have internal predecessors, (18094), 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 20:02:36,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 18094 transitions. [2021-10-21 20:02:36,020 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 18094 transitions. Word has length 1393 [2021-10-21 20:02:36,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:36,021 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 18094 transitions. [2021-10-21 20:02:36,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 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 20:02:36,021 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 18094 transitions. [2021-10-21 20:02:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1404 [2021-10-21 20:02:36,053 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:36,054 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:36,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 20:02:36,055 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:36,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:36,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1569505004, now seen corresponding path program 1 times [2021-10-21 20:02:36,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:36,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557426946] [2021-10-21 20:02:36,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:36,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2995 backedges. 1253 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-10-21 20:02:36,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:36,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557426946] [2021-10-21 20:02:36,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557426946] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:36,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:36,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:02:36,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330747379] [2021-10-21 20:02:36,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:36,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:36,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:36,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:36,826 INFO L87 Difference]: Start difference. First operand 17441 states and 18094 transitions. Second operand has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 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 20:02:38,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:38,165 INFO L93 Difference]: Finished difference Result 34551 states and 35855 transitions. [2021-10-21 20:02:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:38,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 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 1403 [2021-10-21 20:02:38,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:38,183 INFO L225 Difference]: With dead ends: 34551 [2021-10-21 20:02:38,183 INFO L226 Difference]: Without dead ends: 17441 [2021-10-21 20:02:38,193 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:38,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-21 20:02:38,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17112. [2021-10-21 20:02:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0293378528432002) internal successors, (17613), 17111 states have internal predecessors, (17613), 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 20:02:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17613 transitions. [2021-10-21 20:02:38,445 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17613 transitions. Word has length 1403 [2021-10-21 20:02:38,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:38,447 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17613 transitions. [2021-10-21 20:02:38,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 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 20:02:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17613 transitions. [2021-10-21 20:02:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1424 [2021-10-21 20:02:38,482 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:38,483 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:38,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:02:38,483 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:38,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:38,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1838327801, now seen corresponding path program 1 times [2021-10-21 20:02:38,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:38,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87934318] [2021-10-21 20:02:38,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:38,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3726 backedges. 2190 proven. 258 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-10-21 20:02:39,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:39,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87934318] [2021-10-21 20:02:39,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87934318] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:39,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648909727] [2021-10-21 20:02:39,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:39,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:39,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:39,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:39,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 20:02:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:41,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:02:41,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3726 backedges. 1919 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2021-10-21 20:02:45,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648909727] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:45,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:02:45,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-10-21 20:02:45,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19229426] [2021-10-21 20:02:45,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:45,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:45,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:45,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:02:45,247 INFO L87 Difference]: Start difference. First operand 17112 states and 17613 transitions. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 20:02:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:46,301 INFO L93 Difference]: Finished difference Result 35209 states and 36280 transitions. [2021-10-21 20:02:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:46,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 1423 [2021-10-21 20:02:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:46,318 INFO L225 Difference]: With dead ends: 35209 [2021-10-21 20:02:46,318 INFO L226 Difference]: Without dead ends: 18757 [2021-10-21 20:02:46,325 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1428 GetRequests, 1422 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 52.5ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:02:46,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2021-10-21 20:02:46,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 18757. [2021-10-21 20:02:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18757 states, 18756 states have (on average 1.0288974194924292) internal successors, (19298), 18756 states have internal predecessors, (19298), 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 20:02:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18757 states to 18757 states and 19298 transitions. [2021-10-21 20:02:46,528 INFO L78 Accepts]: Start accepts. Automaton has 18757 states and 19298 transitions. Word has length 1423 [2021-10-21 20:02:46,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:46,529 INFO L470 AbstractCegarLoop]: Abstraction has 18757 states and 19298 transitions. [2021-10-21 20:02:46,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 20:02:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 18757 states and 19298 transitions. [2021-10-21 20:02:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2021-10-21 20:02:46,566 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:46,567 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:46,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-21 20:02:46,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-21 20:02:46,784 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:46,785 INFO L82 PathProgramCache]: Analyzing trace with hash 501325222, now seen corresponding path program 1 times [2021-10-21 20:02:46,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:46,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634260711] [2021-10-21 20:02:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:46,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3438 backedges. 1358 proven. 0 refuted. 0 times theorem prover too weak. 2080 trivial. 0 not checked. [2021-10-21 20:02:47,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:47,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634260711] [2021-10-21 20:02:47,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634260711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:47,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:47,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:02:47,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639746647] [2021-10-21 20:02:47,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:47,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:47,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:47,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:47,675 INFO L87 Difference]: Start difference. First operand 18757 states and 19298 transitions. Second operand has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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 20:02:48,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:48,948 INFO L93 Difference]: Finished difference Result 36854 states and 37932 transitions. [2021-10-21 20:02:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:48,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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 1472 [2021-10-21 20:02:48,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:48,971 INFO L225 Difference]: With dead ends: 36854 [2021-10-21 20:02:48,971 INFO L226 Difference]: Without dead ends: 18757 [2021-10-21 20:02:48,980 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:48,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2021-10-21 20:02:49,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 18757. [2021-10-21 20:02:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18757 states, 18756 states have (on average 1.027831094049904) internal successors, (19278), 18756 states have internal predecessors, (19278), 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 20:02:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18757 states to 18757 states and 19278 transitions. [2021-10-21 20:02:49,290 INFO L78 Accepts]: Start accepts. Automaton has 18757 states and 19278 transitions. Word has length 1472 [2021-10-21 20:02:49,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:49,292 INFO L470 AbstractCegarLoop]: Abstraction has 18757 states and 19278 transitions. [2021-10-21 20:02:49,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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 20:02:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 18757 states and 19278 transitions. [2021-10-21 20:02:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1475 [2021-10-21 20:02:49,329 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:49,331 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:49,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 20:02:49,332 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:49,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:49,333 INFO L82 PathProgramCache]: Analyzing trace with hash -394394162, now seen corresponding path program 1 times [2021-10-21 20:02:49,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:49,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038926897] [2021-10-21 20:02:49,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:49,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3812 backedges. 1378 proven. 18 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2021-10-21 20:02:50,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:50,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038926897] [2021-10-21 20:02:50,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038926897] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:50,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188021007] [2021-10-21 20:02:50,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:50,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:50,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:50,140 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:50,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 20:02:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:52,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1740 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:02:52,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3812 backedges. 1396 proven. 0 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2021-10-21 20:02:57,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188021007] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:57,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:02:57,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-21 20:02:57,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628625863] [2021-10-21 20:02:57,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:57,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:02:57,362 INFO L87 Difference]: Start difference. First operand 18757 states and 19278 transitions. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 20:02:58,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:58,367 INFO L93 Difference]: Finished difference Result 36854 states and 37892 transitions. [2021-10-21 20:02:58,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:02:58,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 1474 [2021-10-21 20:02:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:58,388 INFO L225 Difference]: With dead ends: 36854 [2021-10-21 20:02:58,389 INFO L226 Difference]: Without dead ends: 18757 [2021-10-21 20:02:58,398 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1480 GetRequests, 1476 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.0ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:02:58,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2021-10-21 20:02:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 18428. [2021-10-21 20:02:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18428 states, 18427 states have (on average 1.0261030010310956) internal successors, (18908), 18427 states have internal predecessors, (18908), 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 20:02:58,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 18908 transitions. [2021-10-21 20:02:58,662 INFO L78 Accepts]: Start accepts. Automaton has 18428 states and 18908 transitions. Word has length 1474 [2021-10-21 20:02:58,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:58,664 INFO L470 AbstractCegarLoop]: Abstraction has 18428 states and 18908 transitions. [2021-10-21 20:02:58,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 20:02:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 18428 states and 18908 transitions. [2021-10-21 20:02:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1660 [2021-10-21 20:02:58,719 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:58,720 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:58,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:58,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-21 20:02:58,939 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:58,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:58,940 INFO L82 PathProgramCache]: Analyzing trace with hash 608304572, now seen corresponding path program 1 times [2021-10-21 20:02:58,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:58,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938411044] [2021-10-21 20:02:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:58,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 2903 proven. 0 refuted. 0 times theorem prover too weak. 1938 trivial. 0 not checked. [2021-10-21 20:02:59,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:59,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938411044] [2021-10-21 20:02:59,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938411044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:59,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:59,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:02:59,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478332942] [2021-10-21 20:02:59,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:02:59,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:59,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:02:59,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:02:59,804 INFO L87 Difference]: Start difference. First operand 18428 states and 18908 transitions. Second operand has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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 20:03:00,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:00,865 INFO L93 Difference]: Finished difference Result 37512 states and 38486 transitions. [2021-10-21 20:03:00,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:00,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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 1659 [2021-10-21 20:03:00,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:00,883 INFO L225 Difference]: With dead ends: 37512 [2021-10-21 20:03:00,883 INFO L226 Difference]: Without dead ends: 18099 [2021-10-21 20:03:00,892 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 20:03:00,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2021-10-21 20:03:01,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 17112. [2021-10-21 20:03:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0219157267254981) internal successors, (17486), 17111 states have internal predecessors, (17486), 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 20:03:01,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17486 transitions. [2021-10-21 20:03:01,203 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17486 transitions. Word has length 1659 [2021-10-21 20:03:01,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:01,204 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17486 transitions. [2021-10-21 20:03:01,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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 20:03:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17486 transitions. [2021-10-21 20:03:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1678 [2021-10-21 20:03:01,236 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:01,237 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:01,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 20:03:01,237 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:01,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:01,238 INFO L82 PathProgramCache]: Analyzing trace with hash -981728914, now seen corresponding path program 1 times [2021-10-21 20:03:01,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:01,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184920694] [2021-10-21 20:03:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:01,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:01,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5393 backedges. 3672 proven. 0 refuted. 0 times theorem prover too weak. 1721 trivial. 0 not checked. [2021-10-21 20:03:01,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:01,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184920694] [2021-10-21 20:03:01,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184920694] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:01,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:01,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:03:01,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202821041] [2021-10-21 20:03:01,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:01,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:01,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:01,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:01,929 INFO L87 Difference]: Start difference. First operand 17112 states and 17486 transitions. Second operand has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 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 20:03:03,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:03,257 INFO L93 Difference]: Finished difference Result 33564 states and 34308 transitions. [2021-10-21 20:03:03,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:03,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 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 1677 [2021-10-21 20:03:03,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:03,279 INFO L225 Difference]: With dead ends: 33564 [2021-10-21 20:03:03,280 INFO L226 Difference]: Without dead ends: 17112 [2021-10-21 20:03:03,286 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:03,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-21 20:03:03,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-10-21 20:03:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0216819589737596) internal successors, (17482), 17111 states have internal predecessors, (17482), 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 20:03:03,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17482 transitions. [2021-10-21 20:03:03,528 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17482 transitions. Word has length 1677 [2021-10-21 20:03:03,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:03,529 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17482 transitions. [2021-10-21 20:03:03,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 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 20:03:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17482 transitions. [2021-10-21 20:03:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1887 [2021-10-21 20:03:03,577 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:03,579 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:03,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 20:03:03,579 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:03,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:03,582 INFO L82 PathProgramCache]: Analyzing trace with hash 874342585, now seen corresponding path program 1 times [2021-10-21 20:03:03,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:03,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923955289] [2021-10-21 20:03:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:03,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:05,017 INFO L134 CoverageAnalysis]: Checked inductivity of 7455 backedges. 5394 proven. 2 refuted. 0 times theorem prover too weak. 2059 trivial. 0 not checked. [2021-10-21 20:03:05,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:05,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923955289] [2021-10-21 20:03:05,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923955289] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:03:05,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875022068] [2021-10-21 20:03:05,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:05,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:03:05,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:05,022 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:03:05,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 20:03:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:08,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 2215 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:03:08,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7455 backedges. 4749 proven. 0 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2021-10-21 20:03:14,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875022068] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:14,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:03:14,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-21 20:03:14,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872859703] [2021-10-21 20:03:14,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:14,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:14,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:14,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:03:14,061 INFO L87 Difference]: Start difference. First operand 17112 states and 17482 transitions. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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 20:03:15,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:15,378 INFO L93 Difference]: Finished difference Result 34551 states and 35308 transitions. [2021-10-21 20:03:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:15,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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 1886 [2021-10-21 20:03:15,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:15,397 INFO L225 Difference]: With dead ends: 34551 [2021-10-21 20:03:15,397 INFO L226 Difference]: Without dead ends: 18099 [2021-10-21 20:03:15,407 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1890 GetRequests, 1886 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:03:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2021-10-21 20:03:15,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 18099. [2021-10-21 20:03:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18099 states, 18098 states have (on average 1.0202784838103658) internal successors, (18465), 18098 states have internal predecessors, (18465), 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 20:03:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18465 transitions. [2021-10-21 20:03:15,671 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18465 transitions. Word has length 1886 [2021-10-21 20:03:15,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:15,673 INFO L470 AbstractCegarLoop]: Abstraction has 18099 states and 18465 transitions. [2021-10-21 20:03:15,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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 20:03:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18465 transitions. [2021-10-21 20:03:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1910 [2021-10-21 20:03:15,712 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:15,713 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 20:03:15,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:15,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-21 20:03:15,914 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:15,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:15,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1308947768, now seen corresponding path program 1 times [2021-10-21 20:03:15,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:15,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80938893] [2021-10-21 20:03:15,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:15,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 7262 backedges. 3630 proven. 0 refuted. 0 times theorem prover too weak. 3632 trivial. 0 not checked. [2021-10-21 20:03:17,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:17,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80938893] [2021-10-21 20:03:17,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80938893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:17,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:17,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:03:17,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497510670] [2021-10-21 20:03:17,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:17,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:17,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:17,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:17,020 INFO L87 Difference]: Start difference. First operand 18099 states and 18465 transitions. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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 20:03:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:18,277 INFO L93 Difference]: Finished difference Result 39159 states and 39955 transitions. [2021-10-21 20:03:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:18,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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 1909 [2021-10-21 20:03:18,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:18,298 INFO L225 Difference]: With dead ends: 39159 [2021-10-21 20:03:18,298 INFO L226 Difference]: Without dead ends: 21720 [2021-10-21 20:03:18,306 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:18,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21720 states. [2021-10-21 20:03:18,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21720 to 19415. [2021-10-21 20:03:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19415 states, 19414 states have (on average 1.0203976511795612) internal successors, (19810), 19414 states have internal predecessors, (19810), 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 20:03:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19415 states to 19415 states and 19810 transitions. [2021-10-21 20:03:18,639 INFO L78 Accepts]: Start accepts. Automaton has 19415 states and 19810 transitions. Word has length 1909 [2021-10-21 20:03:18,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:18,641 INFO L470 AbstractCegarLoop]: Abstraction has 19415 states and 19810 transitions. [2021-10-21 20:03:18,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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 20:03:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 19415 states and 19810 transitions. [2021-10-21 20:03:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1951 [2021-10-21 20:03:18,688 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:18,689 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-10-21 20:03:18,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-21 20:03:18,690 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:18,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:18,690 INFO L82 PathProgramCache]: Analyzing trace with hash -2024146123, now seen corresponding path program 1 times [2021-10-21 20:03:18,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:18,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271114166] [2021-10-21 20:03:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:18,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 7632 trivial. 0 not checked. [2021-10-21 20:03:20,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:20,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271114166] [2021-10-21 20:03:20,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271114166] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:20,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:20,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:03:20,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566538827] [2021-10-21 20:03:20,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:20,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:20,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:20,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:20,017 INFO L87 Difference]: Start difference. First operand 19415 states and 19810 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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 20:03:21,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:21,380 INFO L93 Difference]: Finished difference Result 41131 states and 41982 transitions. [2021-10-21 20:03:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:21,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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 1950 [2021-10-21 20:03:21,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:21,401 INFO L225 Difference]: With dead ends: 41131 [2021-10-21 20:03:21,401 INFO L226 Difference]: Without dead ends: 22047 [2021-10-21 20:03:21,410 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22047 states. [2021-10-21 20:03:21,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22047 to 18099. [2021-10-21 20:03:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18099 states, 18098 states have (on average 1.0188418609791137) internal successors, (18439), 18098 states have internal predecessors, (18439), 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 20:03:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18439 transitions. [2021-10-21 20:03:21,651 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18439 transitions. Word has length 1950 [2021-10-21 20:03:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:21,653 INFO L470 AbstractCegarLoop]: Abstraction has 18099 states and 18439 transitions. [2021-10-21 20:03:21,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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 20:03:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18439 transitions. [2021-10-21 20:03:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1996 [2021-10-21 20:03:21,718 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:21,720 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:21,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-21 20:03:21,720 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:21,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:21,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1031305262, now seen corresponding path program 1 times [2021-10-21 20:03:21,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:21,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273097447] [2021-10-21 20:03:21,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:21,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 7212 backedges. 3778 proven. 75 refuted. 0 times theorem prover too weak. 3359 trivial. 0 not checked. [2021-10-21 20:03:23,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:23,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273097447] [2021-10-21 20:03:23,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273097447] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:03:23,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992092715] [2021-10-21 20:03:23,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:23,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:03:23,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:23,482 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:03:23,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 20:03:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:27,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:03:27,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 7212 backedges. 2025 proven. 0 refuted. 0 times theorem prover too weak. 5187 trivial. 0 not checked. [2021-10-21 20:03:32,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992092715] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:32,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:03:32,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-10-21 20:03:32,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668654252] [2021-10-21 20:03:32,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:32,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:32,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:32,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:03:32,088 INFO L87 Difference]: Start difference. First operand 18099 states and 18439 transitions. Second operand has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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 20:03:33,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:33,216 INFO L93 Difference]: Finished difference Result 35209 states and 35878 transitions. [2021-10-21 20:03:33,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:33,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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 1995 [2021-10-21 20:03:33,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:33,237 INFO L225 Difference]: With dead ends: 35209 [2021-10-21 20:03:33,237 INFO L226 Difference]: Without dead ends: 17770 [2021-10-21 20:03:33,246 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2002 GetRequests, 1996 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 45.7ms TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:03:33,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-21 20:03:33,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 16783. [2021-10-21 20:03:33,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0153736145870575) internal successors, (17040), 16782 states have internal predecessors, (17040), 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 20:03:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17040 transitions. [2021-10-21 20:03:33,502 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17040 transitions. Word has length 1995 [2021-10-21 20:03:33,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:33,504 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17040 transitions. [2021-10-21 20:03:33,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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 20:03:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17040 transitions. [2021-10-21 20:03:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2157 [2021-10-21 20:03:33,551 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:33,553 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:33,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:33,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-21 20:03:33,754 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:33,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:33,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2121824706, now seen corresponding path program 1 times [2021-10-21 20:03:33,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:33,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088624652] [2021-10-21 20:03:33,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:33,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8675 backedges. 6168 proven. 140 refuted. 0 times theorem prover too weak. 2367 trivial. 0 not checked. [2021-10-21 20:03:35,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:35,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088624652] [2021-10-21 20:03:35,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088624652] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:03:35,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412066163] [2021-10-21 20:03:35,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:35,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:03:35,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:35,064 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:03:35,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 20:03:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:39,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 2510 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:03:39,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 8675 backedges. 5017 proven. 0 refuted. 0 times theorem prover too weak. 3658 trivial. 0 not checked. [2021-10-21 20:03:44,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412066163] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:44,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:03:44,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 20:03:44,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645595502] [2021-10-21 20:03:44,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:44,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:44,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:44,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:03:44,499 INFO L87 Difference]: Start difference. First operand 16783 states and 17040 transitions. Second operand has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 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 20:03:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:45,849 INFO L93 Difference]: Finished difference Result 34880 states and 35422 transitions. [2021-10-21 20:03:45,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:45,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 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 2156 [2021-10-21 20:03:45,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:45,865 INFO L225 Difference]: With dead ends: 34880 [2021-10-21 20:03:45,865 INFO L226 Difference]: Without dead ends: 18757 [2021-10-21 20:03:45,871 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2161 GetRequests, 2156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 37.0ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:03:45,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2021-10-21 20:03:46,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 17770. [2021-10-21 20:03:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17770 states, 17769 states have (on average 1.0149136135967134) internal successors, (18034), 17769 states have internal predecessors, (18034), 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 20:03:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17770 states to 17770 states and 18034 transitions. [2021-10-21 20:03:46,066 INFO L78 Accepts]: Start accepts. Automaton has 17770 states and 18034 transitions. Word has length 2156 [2021-10-21 20:03:46,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:46,067 INFO L470 AbstractCegarLoop]: Abstraction has 17770 states and 18034 transitions. [2021-10-21 20:03:46,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 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 20:03:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 17770 states and 18034 transitions. [2021-10-21 20:03:46,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2281 [2021-10-21 20:03:46,117 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:46,118 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:46,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-21 20:03:46,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-10-21 20:03:46,319 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:46,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:46,320 INFO L82 PathProgramCache]: Analyzing trace with hash 766470637, now seen corresponding path program 1 times [2021-10-21 20:03:46,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:46,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995934787] [2021-10-21 20:03:46,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:46,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9187 backedges. 6598 proven. 140 refuted. 0 times theorem prover too weak. 2449 trivial. 0 not checked. [2021-10-21 20:03:47,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:47,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995934787] [2021-10-21 20:03:47,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995934787] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:03:47,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409992447] [2021-10-21 20:03:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:47,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:03:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:47,855 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:03:47,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-21 20:03:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:53,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 2611 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:03:53,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 9187 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 8792 trivial. 0 not checked. [2021-10-21 20:03:58,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409992447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:58,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:03:58,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 20:03:58,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131195487] [2021-10-21 20:03:58,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:58,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:58,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:58,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:03:58,306 INFO L87 Difference]: Start difference. First operand 17770 states and 18034 transitions. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 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 20:03:59,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:59,626 INFO L93 Difference]: Finished difference Result 36523 states and 37068 transitions. [2021-10-21 20:03:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:59,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 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) Word has length 2280 [2021-10-21 20:03:59,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:59,630 INFO L225 Difference]: With dead ends: 36523 [2021-10-21 20:03:59,630 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:03:59,640 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2285 GetRequests, 2280 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 42.0ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:03:59,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:03:59,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:03:59,641 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 20:03:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:03:59,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2280 [2021-10-21 20:03:59,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:59,643 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:03:59,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 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 20:03:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:03:59,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:03:59,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:03:59,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:59,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-21 20:03:59,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:03:59,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:00,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:00,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:01,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,090 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 20:04:05,091 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,092 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,092 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,092 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,092 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,092 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,092 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,092 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,093 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,093 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,093 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,093 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,093 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,093 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,094 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,094 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,094 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,094 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,094 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 20:04:05,095 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 20:04:05,095 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 20:04:05,095 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,095 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,095 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,096 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,096 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,096 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,096 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,096 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,097 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,097 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,097 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 20:04:05,097 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 20:04:05,097 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 20:04:05,098 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,098 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,098 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,098 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,098 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,099 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,099 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,099 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,099 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,099 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,100 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,100 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,100 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,100 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,100 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,100 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,101 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,101 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,101 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,101 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 20:04:05,101 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,102 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 20:04:05,102 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 20:04:05,102 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse22 (+ 87 ~a18~0)) (.cse5 (= ~a16~0 9))) (let ((.cse1 (= ~a16~0 8)) (.cse2 (not (= 3 ULTIMATE.start_calculate_output_~input))) (.cse3 (= ~a15~0 4)) (.cse4 (= 7 ~a12~0)) (.cse17 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse16 (not .cse5)) (.cse11 (= ~a12~0 8)) (.cse12 (<= ~a18~0 132)) (.cse8 (<= ~a12~0 5)) (.cse0 (<= 0 .cse22)) (.cse7 (<= ~a12~0 7)) (.cse15 (<= 7 ~a12~0)) (.cse21 (<= (+ ~a18~0 79) 0)) (.cse13 (= ~a12~0 9)) (.cse9 (<= ~a15~0 3)) (.cse20 (<= .cse22 0)) (.cse18 (<= ~a12~0 6)) (.cse19 (<= ~a16~0 11)) (.cse10 (<= ~a16~0 8)) (.cse6 (<= (+ ~a18~0 156) 0)) (.cse14 (<= ~a12~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse9) (and .cse8 .cse1) (and .cse10 .cse0 .cse11 .cse12) (and .cse10 .cse13) (and .cse9 .cse12 .cse14 .cse15 .cse16) (and .cse9 .cse11 .cse17) (and .cse18 .cse19 (<= 4 ~a15~0) (<= 6 ~a12~0)) (and .cse0 .cse13 .cse9) (and .cse0 .cse9 .cse16 .cse18) (and .cse13 .cse9 .cse20 .cse19) (and .cse0 .cse5 .cse9 .cse15) (and .cse9 .cse14 .cse16 .cse19) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse17 .cse16 .cse18 .cse19) (and .cse8 .cse9 .cse16) (and .cse5 .cse11 .cse12) (and .cse21 .cse8 .cse19) (and .cse0 .cse5 .cse7 .cse15) (and .cse21 .cse13 .cse5) (and .cse10 .cse9) (and .cse13 .cse9 .cse6) (and .cse9 .cse20 .cse18 .cse19) (and .cse10 .cse6 .cse14 (<= 8 ~a12~0))))) [2021-10-21 20:04:05,103 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,103 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,103 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,103 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,103 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,104 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,104 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,104 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,104 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,104 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,105 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 20:04:05,105 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 20:04:05,105 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,105 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 20:04:05,105 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,106 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,106 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,106 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,106 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,106 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,107 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,107 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,107 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,107 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,107 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,107 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,108 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,108 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,108 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,108 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,108 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,109 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 20:04:05,109 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,109 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 20:04:05,109 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 20:04:05,109 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,110 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,110 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,110 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,111 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,111 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,111 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,112 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,112 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,112 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,112 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,112 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 20:04:05,113 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 20:04:05,113 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,113 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 20:04:05,113 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,114 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse21 (+ 87 ~a18~0)) (.cse5 (= ~a16~0 9))) (let ((.cse1 (= ~a16~0 8)) (.cse2 (not (= 3 ULTIMATE.start_calculate_output_~input))) (.cse3 (= ~a15~0 4)) (.cse4 (= 7 ~a12~0)) (.cse17 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse16 (not .cse5)) (.cse11 (= ~a12~0 8)) (.cse12 (<= ~a18~0 132)) (.cse8 (<= ~a12~0 5)) (.cse0 (<= 0 .cse21)) (.cse7 (<= ~a12~0 7)) (.cse15 (<= 7 ~a12~0)) (.cse20 (<= (+ ~a18~0 79) 0)) (.cse13 (= ~a12~0 9)) (.cse9 (<= ~a15~0 3)) (.cse10 (<= ~a16~0 8)) (.cse6 (<= (+ ~a18~0 156) 0)) (.cse14 (<= ~a12~0 8)) (.cse18 (<= ~a12~0 6)) (.cse19 (<= ~a16~0 11))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse9) (and .cse8 .cse1) (and .cse10 .cse0 .cse11 .cse12) (and .cse10 .cse13) (and .cse9 .cse12 .cse14 .cse15 .cse16) (and .cse9 .cse11 .cse17) (and .cse18 .cse19 (<= 4 ~a15~0) (<= 6 ~a12~0)) (and .cse13 .cse9 .cse19) (and .cse0 .cse13 .cse9) (and .cse0 .cse9 .cse16 .cse18) (and .cse0 .cse5 .cse9 .cse15) (and .cse9 .cse14 .cse16 .cse19) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse17 .cse16 .cse18 .cse19) (and .cse8 .cse9 .cse16) (and .cse5 .cse11 .cse12) (and .cse20 .cse8 .cse19) (and .cse0 .cse5 .cse7 .cse15) (and .cse20 .cse13 .cse5) (and .cse10 .cse9) (and .cse13 .cse9 .cse6) (and .cse10 .cse6 .cse14 (<= 8 ~a12~0)) (and (<= .cse21 0) .cse18 .cse19)))) [2021-10-21 20:04:05,114 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,114 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,114 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,114 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,115 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,115 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,115 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,115 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,115 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:04:05,116 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,116 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,117 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,117 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,118 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,118 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,118 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 20:04:05,119 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,119 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 20:04:05,119 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 20:04:05,120 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,120 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-21 20:04:05,120 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,120 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,120 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,120 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,120 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,120 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,121 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,121 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,121 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,121 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,121 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,121 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 20:04:05,122 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,122 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 20:04:05,122 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,122 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 20:04:05,122 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,122 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,122 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,122 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,123 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,123 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,123 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,123 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,123 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,123 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,124 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,124 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,124 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,124 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,124 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,125 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,125 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 20:04:05,125 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 20:04:05,125 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 20:04:05,125 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:04:05,126 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2021-10-21 20:04:05,126 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse22 (+ 87 ~a18~0)) (.cse5 (= ~a16~0 9))) (let ((.cse1 (= ~a16~0 8)) (.cse2 (not (= 3 ULTIMATE.start_calculate_output_~input))) (.cse3 (= ~a15~0 4)) (.cse4 (= 7 ~a12~0)) (.cse17 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse16 (not .cse5)) (.cse11 (= ~a12~0 8)) (.cse12 (<= ~a18~0 132)) (.cse8 (<= ~a12~0 5)) (.cse0 (<= 0 .cse22)) (.cse7 (<= ~a12~0 7)) (.cse15 (<= 7 ~a12~0)) (.cse21 (<= (+ ~a18~0 79) 0)) (.cse13 (= ~a12~0 9)) (.cse9 (<= ~a15~0 3)) (.cse20 (<= .cse22 0)) (.cse18 (<= ~a12~0 6)) (.cse19 (<= ~a16~0 11)) (.cse10 (<= ~a16~0 8)) (.cse6 (<= (+ ~a18~0 156) 0)) (.cse14 (<= ~a12~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse9) (and .cse8 .cse1) (and .cse10 .cse0 .cse11 .cse12) (and .cse10 .cse13) (and .cse9 .cse12 .cse14 .cse15 .cse16) (and .cse9 .cse11 .cse17) (and .cse18 .cse19 (<= 4 ~a15~0) (<= 6 ~a12~0)) (and .cse0 .cse13 .cse9) (and .cse0 .cse9 .cse16 .cse18) (and .cse13 .cse9 .cse20 .cse19) (and .cse0 .cse5 .cse9 .cse15) (and .cse9 .cse14 .cse16 .cse19) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse17 .cse16 .cse18 .cse19) (and .cse8 .cse9 .cse16) (and .cse5 .cse11 .cse12) (and .cse21 .cse8 .cse19) (and .cse0 .cse5 .cse7 .cse15) (and .cse21 .cse13 .cse5) (and .cse10 .cse9) (and .cse13 .cse9 .cse6) (and .cse9 .cse20 .cse18 .cse19) (and .cse10 .cse6 .cse14 (<= 8 ~a12~0))))) [2021-10-21 20:04:05,126 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,126 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,127 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,127 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,127 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,127 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,127 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,128 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,128 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,128 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,128 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,128 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,129 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,129 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,129 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 20:04:05,129 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,129 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 20:04:05,130 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 20:04:05,130 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,130 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,130 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,130 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,131 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,131 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,131 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,131 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,131 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,132 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,132 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,132 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,132 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-21 20:04:05,132 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,133 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,133 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,133 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,133 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,133 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 20:04:05,134 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 20:04:05,134 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 20:04:05,134 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,134 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,134 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,134 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,135 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,135 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,135 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,135 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,135 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,136 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,136 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,136 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,136 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,136 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 20:04:05,137 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,137 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 20:04:05,137 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 20:04:05,137 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,137 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,138 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,138 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,138 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,138 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,138 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,139 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,139 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,139 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,139 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,139 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,140 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,140 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,140 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 20:04:05,140 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 20:04:05,140 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 20:04:05,141 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,141 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,141 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,141 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,141 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,142 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,142 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,142 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,142 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,142 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,143 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,143 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,143 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,143 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,143 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 20:04:05,144 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,144 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 20:04:05,144 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 20:04:05,144 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,144 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,145 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,145 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,145 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,145 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,145 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,146 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,146 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,146 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,146 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,146 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,146 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,147 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,147 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-21 20:04:05,147 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 20:04:05,147 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 20:04:05,147 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,148 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,148 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,148 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,148 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,148 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,149 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,149 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,149 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,149 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,149 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,150 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,150 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,150 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,150 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:04:05,150 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,151 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 20:04:05,151 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 20:04:05,151 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,151 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,151 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,152 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,152 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,152 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,152 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,152 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,152 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,153 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,153 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,153 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,153 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 20:04:05,153 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 20:04:05,154 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,154 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,154 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,154 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,154 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,155 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,155 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,155 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,155 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,155 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,156 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,156 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,156 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,156 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,156 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,156 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,157 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 20:04:05,157 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 20:04:05,157 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,157 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,157 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,158 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,158 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,158 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,158 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,158 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,159 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,159 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:04:05,159 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,159 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,159 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 20:04:05,160 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 20:04:05,160 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,160 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,160 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,160 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,161 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,161 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,161 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,161 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,161 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,162 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,162 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,162 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,162 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,162 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,162 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,163 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,163 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,163 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 20:04:05,163 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 20:04:05,163 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,164 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,164 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,164 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,164 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,164 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,165 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-21 20:04:05,165 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,165 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,165 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,165 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-21 20:04:05,166 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:04:05,166 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,166 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,166 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-21 20:04:05,166 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 20:04:05,167 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 20:04:05,167 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 20:04:05,173 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:04:05,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:04:05 BoogieIcfgContainer [2021-10-21 20:04:05,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:04:05,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:04:05,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:04:05,223 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:04:05,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:01:43" (3/4) ... [2021-10-21 20:04:05,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:04:05,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 20:04:05,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:04:05,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:04:05,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:04:05,572 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:04:05,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:04:05,575 INFO L168 Benchmark]: Toolchain (without parser) took 147044.90 ms. Allocated memory was 102.8 MB in the beginning and 5.7 GB in the end (delta: 5.6 GB). Free memory was 66.1 MB in the beginning and 3.9 GB in the end (delta: -3.8 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2021-10-21 20:04:05,576 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 56.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:04:05,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1403.62 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 66.1 MB in the beginning and 77.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:05,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 304.08 ms. Allocated memory is still 123.7 MB. Free memory was 77.8 MB in the beginning and 79.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:05,577 INFO L168 Benchmark]: Boogie Preprocessor took 285.37 ms. Allocated memory is still 123.7 MB. Free memory was 79.5 MB in the beginning and 70.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:05,578 INFO L168 Benchmark]: RCFGBuilder took 3192.89 ms. Allocated memory was 123.7 MB in the beginning and 207.6 MB in the end (delta: 83.9 MB). Free memory was 70.3 MB in the beginning and 126.2 MB in the end (delta: -55.9 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:05,579 INFO L168 Benchmark]: TraceAbstraction took 141500.56 ms. Allocated memory was 207.6 MB in the beginning and 5.7 GB in the end (delta: 5.5 GB). Free memory was 125.2 MB in the beginning and 3.9 GB in the end (delta: -3.8 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2021-10-21 20:04:05,579 INFO L168 Benchmark]: Witness Printer took 350.61 ms. Allocated memory is still 5.7 GB. Free memory was 3.9 GB in the beginning and 3.9 GB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:05,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 56.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1403.62 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 66.1 MB in the beginning and 77.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 304.08 ms. Allocated memory is still 123.7 MB. Free memory was 77.8 MB in the beginning and 79.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 285.37 ms. Allocated memory is still 123.7 MB. Free memory was 79.5 MB in the beginning and 70.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3192.89 ms. Allocated memory was 123.7 MB in the beginning and 207.6 MB in the end (delta: 83.9 MB). Free memory was 70.3 MB in the beginning and 126.2 MB in the end (delta: -55.9 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 141500.56 ms. Allocated memory was 207.6 MB in the beginning and 5.7 GB in the end (delta: 5.5 GB). Free memory was 125.2 MB in the beginning and 3.9 GB in the end (delta: -3.8 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. * Witness Printer took 350.61 ms. Allocated memory is still 5.7 GB. Free memory was 3.9 GB in the beginning and 3.9 GB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 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: 131]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 141361.8ms, OverallIterations: 26, TraceHistogramMax: 13, EmptinessCheckTime: 999.7ms, AutomataDifference: 38927.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5217.0ms, InitialAbstractionConstructionTime: 33.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7042 SDtfs, 5993 SDslu, 281 SDs, 0 SdLazy, 22093 SolverSat, 2752 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27912.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15834 GetRequests, 15760 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 557.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19415occurred in iteration=22, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6199.1ms AutomataMinimizationTime, 26 MinimizatonAttempts, 13612 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 205 NumberOfFragments, 1010 HoareAnnotationTreeSize, 4 FomulaSimplifications, 15459 FormulaSimplificationTreeSizeReduction, 1197.2ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 8323 FormulaSimplificationTreeSizeReductionInter, 4003.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1979.3ms SsaConstructionTime, 6705.1ms SatisfiabilityAnalysisTime, 57352.9ms InterpolantComputationTime, 48331 NumberOfCodeBlocks, 48331 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 48295 ConstructedInterpolants, 0 QuantifiedInterpolants, 120801 SizeOfPredicates, 1 NumberOfNonLiveVariables, 18587 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 36 InterpolantComputations, 26 PerfectInterpolantSequences, 147983/149244 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: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12) || ((a16 == 9 && a18 + 156 <= 0) && a12 <= 7)) || ((a12 <= 5 && 0 < (a18 + -135) / 299932 + 1) && a15 <= 3)) || (a12 <= 5 && a16 == 8)) || (((a16 <= 8 && 0 <= 87 + a18) && a12 == 8) && a18 <= 132)) || (a16 <= 8 && a12 == 9)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && !(a16 == 9)) && a12 <= 6)) || (((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12)) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 156 <= 0) && 7 == a12)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || ((a12 <= 5 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a18 + 79 <= 0 && a12 <= 5) && a16 <= 11)) || (((0 <= 87 + a18 && a16 == 9) && a12 <= 7) && 7 <= a12)) || ((a18 + 79 <= 0 && a12 == 9) && a16 == 9)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 8 <= a12)) || ((87 + a18 <= 0 && a12 <= 6) && a16 <= 11) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12) || ((a16 == 9 && a18 + 156 <= 0) && a12 <= 7)) || ((a12 <= 5 && 0 < (a18 + -135) / 299932 + 1) && a15 <= 3)) || (a12 <= 5 && a16 == 8)) || (((a16 <= 8 && 0 <= 87 + a18) && a12 == 8) && a18 <= 132)) || (a16 <= 8 && a12 == 9)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && !(a16 == 9)) && a12 <= 6)) || (((a12 == 9 && a15 <= 3) && 87 + a18 <= 0) && a16 <= 11)) || (((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12)) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 156 <= 0) && 7 == a12)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || ((a12 <= 5 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a18 + 79 <= 0 && a12 <= 5) && a16 <= 11)) || (((0 <= 87 + a18 && a16 == 9) && a12 <= 7) && 7 <= a12)) || ((a18 + 79 <= 0 && a12 == 9) && a16 == 9)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 87 + a18 <= 0) && a12 <= 6) && a16 <= 11)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 8 <= a12) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12) || ((a16 == 9 && a18 + 156 <= 0) && a12 <= 7)) || ((a12 <= 5 && 0 < (a18 + -135) / 299932 + 1) && a15 <= 3)) || (a12 <= 5 && a16 == 8)) || (((a16 <= 8 && 0 <= 87 + a18) && a12 == 8) && a18 <= 132)) || (a16 <= 8 && a12 == 9)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && !(a16 == 9)) && a12 <= 6)) || (((a12 == 9 && a15 <= 3) && 87 + a18 <= 0) && a16 <= 11)) || (((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12)) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 156 <= 0) && 7 == a12)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || ((a12 <= 5 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a18 + 79 <= 0 && a12 <= 5) && a16 <= 11)) || (((0 <= 87 + a18 && a16 == 9) && a12 <= 7) && 7 <= a12)) || ((a18 + 79 <= 0 && a12 == 9) && a16 == 9)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 87 + a18 <= 0) && a12 <= 6) && a16 <= 11)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 8 <= a12) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:04:05,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_043d3e4a-dd35-4690-964c-e0ef202e7775/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...