./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt --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 65ac8b3a7ede43a6e2ccecadaabb7c8ce4681a84 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:13:21,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:13:21,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:13:21,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:13:21,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:13:21,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:13:21,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:13:21,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:13:21,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:13:21,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:13:21,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:13:21,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:13:21,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:13:21,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:13:21,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:13:21,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:13:21,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:13:21,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:13:21,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:13:21,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:13:21,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:13:21,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:13:21,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:13:21,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:13:21,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:13:21,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:13:21,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:13:21,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:13:21,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:13:21,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:13:21,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:13:21,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:13:21,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:13:21,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:13:21,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:13:21,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:13:21,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:13:21,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:13:21,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:13:21,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:13:21,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:13:21,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:13:21,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:13:21,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:13:21,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:13:21,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:13:21,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:13:21,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:13:21,664 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:13:21,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:13:21,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:13:21,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:13:21,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:13:21,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:13:21,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:13:21,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:13:21,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:13:21,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:13:21,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:13:21,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:13:21,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:13:21,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:13:21,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:13:21,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:13:21,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:13:21,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:13:21,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:13:21,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:13:21,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:13:21,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:13:21,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:13:21,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:13:21,670 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_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65ac8b3a7ede43a6e2ccecadaabb7c8ce4681a84 [2021-10-13 01:13:21,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:13:21,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:13:21,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:13:21,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:13:21,984 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:13:21,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/eca-rers2012/Problem03_label36.c [2021-10-13 01:13:22,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/data/18ef8eb81/d6cc2d203dd1472893e57b04689e5a65/FLAGab64a8874 [2021-10-13 01:13:22,722 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:13:22,722 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/sv-benchmarks/c/eca-rers2012/Problem03_label36.c [2021-10-13 01:13:22,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/data/18ef8eb81/d6cc2d203dd1472893e57b04689e5a65/FLAGab64a8874 [2021-10-13 01:13:22,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/data/18ef8eb81/d6cc2d203dd1472893e57b04689e5a65 [2021-10-13 01:13:22,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:13:22,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:13:22,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:13:22,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:13:22,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:13:22,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:13:22" (1/1) ... [2021-10-13 01:13:22,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdcbe19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:22, skipping insertion in model container [2021-10-13 01:13:22,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:13:22" (1/1) ... [2021-10-13 01:13:22,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:13:23,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:13:23,720 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_3bfd9ce5-df63-45a6-96c2-32f195f604b1/sv-benchmarks/c/eca-rers2012/Problem03_label36.c[58393,58406] [2021-10-13 01:13:23,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:13:23,768 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:13:24,061 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_3bfd9ce5-df63-45a6-96c2-32f195f604b1/sv-benchmarks/c/eca-rers2012/Problem03_label36.c[58393,58406] [2021-10-13 01:13:24,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:13:24,092 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:13:24,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24 WrapperNode [2021-10-13 01:13:24,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:13:24,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:13:24,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:13:24,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:13:24,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:13:24,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:13:24,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:13:24,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:13:24,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:13:24,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:13:24,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:13:24,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:13:24,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (1/1) ... [2021-10-13 01:13:24,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:13:24,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:13:24,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:13:24,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:13:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:13:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:13:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:13:24,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:13:26,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:13:26,429 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 01:13:26,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:13:26 BoogieIcfgContainer [2021-10-13 01:13:26,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:13:26,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:13:26,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:13:26,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:13:26,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:13:22" (1/3) ... [2021-10-13 01:13:26,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77398bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:13:26, skipping insertion in model container [2021-10-13 01:13:26,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:13:24" (2/3) ... [2021-10-13 01:13:26,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77398bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:13:26, skipping insertion in model container [2021-10-13 01:13:26,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:13:26" (3/3) ... [2021-10-13 01:13:26,445 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label36.c [2021-10-13 01:13:26,450 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:13:26,451 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:13:26,515 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:13:26,523 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 01:13:26,523 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:13:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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) [2021-10-13 01:13:26,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-13 01:13:26,576 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:26,577 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:26,578 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:26,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:26,583 INFO L82 PathProgramCache]: Analyzing trace with hash -946453597, now seen corresponding path program 1 times [2021-10-13 01:13:26,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:26,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353428812] [2021-10-13 01:13:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:26,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:13:27,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:27,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353428812] [2021-10-13 01:13:27,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353428812] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:27,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:27,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:13:27,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161910494] [2021-10-13 01:13:27,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:27,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:27,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:27,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:27,285 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:13:28,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:28,666 INFO L93 Difference]: Finished difference Result 857 states and 1498 transitions. [2021-10-13 01:13:28,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:28,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2021-10-13 01:13:28,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:28,702 INFO L225 Difference]: With dead ends: 857 [2021-10-13 01:13:28,702 INFO L226 Difference]: Without dead ends: 462 [2021-10-13 01:13:28,708 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:28,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-10-13 01:13:28,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2021-10-13 01:13:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 459 states have (on average 1.5381263616557734) internal successors, (706), 459 states have internal predecessors, (706), 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) [2021-10-13 01:13:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2021-10-13 01:13:28,786 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 179 [2021-10-13 01:13:28,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:28,788 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2021-10-13 01:13:28,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:13:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2021-10-13 01:13:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-10-13 01:13:28,795 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:28,795 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:28,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:13:28,796 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:28,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:28,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1056624732, now seen corresponding path program 1 times [2021-10-13 01:13:28,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:28,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558193494] [2021-10-13 01:13:28,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:28,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:28,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:13:28,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:28,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558193494] [2021-10-13 01:13:28,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558193494] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:28,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:28,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:13:28,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595983565] [2021-10-13 01:13:28,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:28,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:28,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:28,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:28,938 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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) [2021-10-13 01:13:29,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:29,903 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2021-10-13 01:13:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:29,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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 187 [2021-10-13 01:13:29,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:29,912 INFO L225 Difference]: With dead ends: 1344 [2021-10-13 01:13:29,912 INFO L226 Difference]: Without dead ends: 886 [2021-10-13 01:13:29,915 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-10-13 01:13:29,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2021-10-13 01:13:29,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5132336018411967) internal successors, (1315), 869 states have internal predecessors, (1315), 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) [2021-10-13 01:13:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1315 transitions. [2021-10-13 01:13:29,999 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1315 transitions. Word has length 187 [2021-10-13 01:13:29,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:30,000 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1315 transitions. [2021-10-13 01:13:30,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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) [2021-10-13 01:13:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1315 transitions. [2021-10-13 01:13:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-10-13 01:13:30,004 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:30,010 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:30,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:13:30,010 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:30,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:30,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1503064601, now seen corresponding path program 1 times [2021-10-13 01:13:30,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:30,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107123205] [2021-10-13 01:13:30,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:30,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 01:13:30,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:30,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107123205] [2021-10-13 01:13:30,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107123205] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:30,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:30,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:13:30,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236518625] [2021-10-13 01:13:30,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:13:30,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:30,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:13:30,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:13:30,395 INFO L87 Difference]: Start difference. First operand 870 states and 1315 transitions. Second operand has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 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) [2021-10-13 01:13:31,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:31,615 INFO L93 Difference]: Finished difference Result 1884 states and 2886 transitions. [2021-10-13 01:13:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:13:31,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 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 194 [2021-10-13 01:13:31,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:31,624 INFO L225 Difference]: With dead ends: 1884 [2021-10-13 01:13:31,624 INFO L226 Difference]: Without dead ends: 842 [2021-10-13 01:13:31,626 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:13:31,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-10-13 01:13:31,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2021-10-13 01:13:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 841 states have (on average 1.3650416171224733) internal successors, (1148), 841 states have internal predecessors, (1148), 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) [2021-10-13 01:13:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1148 transitions. [2021-10-13 01:13:31,663 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1148 transitions. Word has length 194 [2021-10-13 01:13:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:31,664 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1148 transitions. [2021-10-13 01:13:31,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 states have internal predecessors, (189), 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) [2021-10-13 01:13:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1148 transitions. [2021-10-13 01:13:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-10-13 01:13:31,668 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:31,669 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:31,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:13:31,669 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:31,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:31,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1846501408, now seen corresponding path program 1 times [2021-10-13 01:13:31,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:31,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682095785] [2021-10-13 01:13:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:31,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:13:31,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:31,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682095785] [2021-10-13 01:13:31,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682095785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:31,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:31,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:13:31,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895357438] [2021-10-13 01:13:31,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:31,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:31,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:31,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:31,763 INFO L87 Difference]: Start difference. First operand 842 states and 1148 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 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) [2021-10-13 01:13:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:32,558 INFO L93 Difference]: Finished difference Result 2504 states and 3420 transitions. [2021-10-13 01:13:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:32,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 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 202 [2021-10-13 01:13:32,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:32,570 INFO L225 Difference]: With dead ends: 2504 [2021-10-13 01:13:32,571 INFO L226 Difference]: Without dead ends: 1664 [2021-10-13 01:13:32,574 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:32,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2021-10-13 01:13:32,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1663. [2021-10-13 01:13:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1662 states have (on average 1.3243080625752106) internal successors, (2201), 1662 states have internal predecessors, (2201), 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) [2021-10-13 01:13:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2201 transitions. [2021-10-13 01:13:32,635 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2201 transitions. Word has length 202 [2021-10-13 01:13:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:32,635 INFO L470 AbstractCegarLoop]: Abstraction has 1663 states and 2201 transitions. [2021-10-13 01:13:32,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 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) [2021-10-13 01:13:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2201 transitions. [2021-10-13 01:13:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-13 01:13:32,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:32,644 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:32,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:13:32,644 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:32,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:32,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1042422668, now seen corresponding path program 1 times [2021-10-13 01:13:32,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:32,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697996237] [2021-10-13 01:13:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:32,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:13:33,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:33,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697996237] [2021-10-13 01:13:33,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697996237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:33,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:33,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:13:33,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346961206] [2021-10-13 01:13:33,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:13:33,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:33,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:13:33,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:13:33,050 INFO L87 Difference]: Start difference. First operand 1663 states and 2201 transitions. Second operand has 4 states, 4 states have (on average 52.5) internal successors, (210), 3 states have internal predecessors, (210), 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) [2021-10-13 01:13:34,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:34,545 INFO L93 Difference]: Finished difference Result 4323 states and 5738 transitions. [2021-10-13 01:13:34,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:13:34,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 3 states have internal predecessors, (210), 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 210 [2021-10-13 01:13:34,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:34,561 INFO L225 Difference]: With dead ends: 4323 [2021-10-13 01:13:34,561 INFO L226 Difference]: Without dead ends: 2488 [2021-10-13 01:13:34,564 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:13:34,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2021-10-13 01:13:34,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2487. [2021-10-13 01:13:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2486 states have (on average 1.3073209975864843) internal successors, (3250), 2486 states have internal predecessors, (3250), 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) [2021-10-13 01:13:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3250 transitions. [2021-10-13 01:13:34,625 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3250 transitions. Word has length 210 [2021-10-13 01:13:34,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:34,626 INFO L470 AbstractCegarLoop]: Abstraction has 2487 states and 3250 transitions. [2021-10-13 01:13:34,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 3 states have internal predecessors, (210), 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) [2021-10-13 01:13:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3250 transitions. [2021-10-13 01:13:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-10-13 01:13:34,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:34,633 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:34,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:13:34,634 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:34,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:34,635 INFO L82 PathProgramCache]: Analyzing trace with hash 356438585, now seen corresponding path program 1 times [2021-10-13 01:13:34,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:34,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015239044] [2021-10-13 01:13:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:34,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 01:13:34,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:34,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015239044] [2021-10-13 01:13:34,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015239044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:34,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:34,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:13:34,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144238779] [2021-10-13 01:13:34,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:34,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:34,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:34,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:34,723 INFO L87 Difference]: Start difference. First operand 2487 states and 3250 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 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) [2021-10-13 01:13:35,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:35,502 INFO L93 Difference]: Finished difference Result 6628 states and 8636 transitions. [2021-10-13 01:13:35,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:35,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 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 212 [2021-10-13 01:13:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:35,526 INFO L225 Difference]: With dead ends: 6628 [2021-10-13 01:13:35,527 INFO L226 Difference]: Without dead ends: 4143 [2021-10-13 01:13:35,537 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:35,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4143 states. [2021-10-13 01:13:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4143 to 4140. [2021-10-13 01:13:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4140 states, 4139 states have (on average 1.296206813239913) internal successors, (5365), 4139 states have internal predecessors, (5365), 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) [2021-10-13 01:13:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5365 transitions. [2021-10-13 01:13:35,645 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5365 transitions. Word has length 212 [2021-10-13 01:13:35,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:35,646 INFO L470 AbstractCegarLoop]: Abstraction has 4140 states and 5365 transitions. [2021-10-13 01:13:35,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 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) [2021-10-13 01:13:35,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5365 transitions. [2021-10-13 01:13:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-10-13 01:13:35,656 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:35,656 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:35,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 01:13:35,657 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:35,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:35,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1898458719, now seen corresponding path program 1 times [2021-10-13 01:13:35,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:35,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820374832] [2021-10-13 01:13:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:35,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:13:35,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:35,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820374832] [2021-10-13 01:13:35,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820374832] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:13:35,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767423639] [2021-10-13 01:13:35,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:35,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:13:35,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:13:35,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:13:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:35,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:13:36,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:13:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-13 01:13:36,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767423639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:36,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:13:36,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 01:13:36,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081461731] [2021-10-13 01:13:36,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:36,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:36,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:36,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:36,740 INFO L87 Difference]: Start difference. First operand 4140 states and 5365 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2021-10-13 01:13:37,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:37,536 INFO L93 Difference]: Finished difference Result 8287 states and 10744 transitions. [2021-10-13 01:13:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:37,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 217 [2021-10-13 01:13:37,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:37,561 INFO L225 Difference]: With dead ends: 8287 [2021-10-13 01:13:37,561 INFO L226 Difference]: Without dead ends: 4149 [2021-10-13 01:13:37,566 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:37,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4149 states. [2021-10-13 01:13:37,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4149 to 4140. [2021-10-13 01:13:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4140 states, 4139 states have (on average 1.285817830393815) internal successors, (5322), 4139 states have internal predecessors, (5322), 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) [2021-10-13 01:13:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5322 transitions. [2021-10-13 01:13:37,725 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5322 transitions. Word has length 217 [2021-10-13 01:13:37,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:37,726 INFO L470 AbstractCegarLoop]: Abstraction has 4140 states and 5322 transitions. [2021-10-13 01:13:37,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2021-10-13 01:13:37,726 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5322 transitions. [2021-10-13 01:13:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-10-13 01:13:37,736 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:37,737 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:37,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:13:37,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:37,952 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:37,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:37,952 INFO L82 PathProgramCache]: Analyzing trace with hash 206794107, now seen corresponding path program 1 times [2021-10-13 01:13:37,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:37,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430665074] [2021-10-13 01:13:37,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:37,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 01:13:38,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:38,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430665074] [2021-10-13 01:13:38,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430665074] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:13:38,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699382416] [2021-10-13 01:13:38,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:38,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:38,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:13:38,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:13:38,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 01:13:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:38,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:13:38,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:13:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 01:13:38,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699382416] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:38,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:13:38,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 01:13:38,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480912654] [2021-10-13 01:13:38,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:38,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:38,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:38,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:38,886 INFO L87 Difference]: Start difference. First operand 4140 states and 5322 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2021-10-13 01:13:39,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:39,673 INFO L93 Difference]: Finished difference Result 12344 states and 15868 transitions. [2021-10-13 01:13:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:39,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 223 [2021-10-13 01:13:39,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:39,717 INFO L225 Difference]: With dead ends: 12344 [2021-10-13 01:13:39,717 INFO L226 Difference]: Without dead ends: 8206 [2021-10-13 01:13:39,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:39,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8206 states. [2021-10-13 01:13:39,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8206 to 8200. [2021-10-13 01:13:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8200 states, 8199 states have (on average 1.1763629710940358) internal successors, (9645), 8199 states have internal predecessors, (9645), 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) [2021-10-13 01:13:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8200 states to 8200 states and 9645 transitions. [2021-10-13 01:13:39,945 INFO L78 Accepts]: Start accepts. Automaton has 8200 states and 9645 transitions. Word has length 223 [2021-10-13 01:13:39,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:39,946 INFO L470 AbstractCegarLoop]: Abstraction has 8200 states and 9645 transitions. [2021-10-13 01:13:39,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2021-10-13 01:13:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 8200 states and 9645 transitions. [2021-10-13 01:13:39,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-10-13 01:13:39,965 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:39,966 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:40,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:13:40,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-13 01:13:40,181 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:40,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:40,182 INFO L82 PathProgramCache]: Analyzing trace with hash -782148101, now seen corresponding path program 1 times [2021-10-13 01:13:40,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:40,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175471972] [2021-10-13 01:13:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:40,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 01:13:40,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:40,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175471972] [2021-10-13 01:13:40,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175471972] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:40,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:40,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:13:40,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159543131] [2021-10-13 01:13:40,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:40,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:40,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:40,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:40,276 INFO L87 Difference]: Start difference. First operand 8200 states and 9645 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) [2021-10-13 01:13:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:41,020 INFO L93 Difference]: Finished difference Result 20458 states and 24504 transitions. [2021-10-13 01:13:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:41,020 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 233 [2021-10-13 01:13:41,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:41,063 INFO L225 Difference]: With dead ends: 20458 [2021-10-13 01:13:41,063 INFO L226 Difference]: Without dead ends: 12260 [2021-10-13 01:13:41,073 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:41,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12260 states. [2021-10-13 01:13:41,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12260 to 12260. [2021-10-13 01:13:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12260 states, 12259 states have (on average 1.1418549637001387) internal successors, (13998), 12259 states have internal predecessors, (13998), 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) [2021-10-13 01:13:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 13998 transitions. [2021-10-13 01:13:41,374 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 13998 transitions. Word has length 233 [2021-10-13 01:13:41,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:41,374 INFO L470 AbstractCegarLoop]: Abstraction has 12260 states and 13998 transitions. [2021-10-13 01:13:41,375 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) [2021-10-13 01:13:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 13998 transitions. [2021-10-13 01:13:41,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-10-13 01:13:41,397 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:41,397 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:41,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 01:13:41,398 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:41,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:41,398 INFO L82 PathProgramCache]: Analyzing trace with hash -2131521666, now seen corresponding path program 1 times [2021-10-13 01:13:41,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:41,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660291471] [2021-10-13 01:13:41,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:41,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:13:41,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:41,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660291471] [2021-10-13 01:13:41,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660291471] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:41,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:41,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:13:41,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160420130] [2021-10-13 01:13:41,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:41,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:41,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:41,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:41,548 INFO L87 Difference]: Start difference. First operand 12260 states and 13998 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 2 states have internal predecessors, (254), 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) [2021-10-13 01:13:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:42,318 INFO L93 Difference]: Finished difference Result 35312 states and 40338 transitions. [2021-10-13 01:13:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:42,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 2 states have internal predecessors, (254), 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 254 [2021-10-13 01:13:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:42,438 INFO L225 Difference]: With dead ends: 35312 [2021-10-13 01:13:42,438 INFO L226 Difference]: Without dead ends: 23054 [2021-10-13 01:13:42,457 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:42,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23054 states. [2021-10-13 01:13:42,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23054 to 18965. [2021-10-13 01:13:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18965 states, 18964 states have (on average 1.1543450748787176) internal successors, (21891), 18964 states have internal predecessors, (21891), 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) [2021-10-13 01:13:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18965 states to 18965 states and 21891 transitions. [2021-10-13 01:13:42,951 INFO L78 Accepts]: Start accepts. Automaton has 18965 states and 21891 transitions. Word has length 254 [2021-10-13 01:13:42,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:42,951 INFO L470 AbstractCegarLoop]: Abstraction has 18965 states and 21891 transitions. [2021-10-13 01:13:42,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 2 states have internal predecessors, (254), 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) [2021-10-13 01:13:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 18965 states and 21891 transitions. [2021-10-13 01:13:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-10-13 01:13:42,984 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:42,985 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 01:13:42,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 01:13:42,986 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:42,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:42,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1057336978, now seen corresponding path program 1 times [2021-10-13 01:13:42,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:42,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254595841] [2021-10-13 01:13:42,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:42,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:13:43,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:43,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254595841] [2021-10-13 01:13:43,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254595841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:43,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:13:43,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:13:43,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688386455] [2021-10-13 01:13:43,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:43,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:43,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:43,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:43,273 INFO L87 Difference]: Start difference. First operand 18965 states and 21891 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2021-10-13 01:13:44,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:44,205 INFO L93 Difference]: Finished difference Result 49526 states and 57347 transitions. [2021-10-13 01:13:44,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:44,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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 275 [2021-10-13 01:13:44,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:44,273 INFO L225 Difference]: With dead ends: 49526 [2021-10-13 01:13:44,274 INFO L226 Difference]: Without dead ends: 30563 [2021-10-13 01:13:44,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:13:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30563 states. [2021-10-13 01:13:44,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30563 to 30554. [2021-10-13 01:13:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30554 states, 30553 states have (on average 1.1402808234870552) internal successors, (34839), 30553 states have internal predecessors, (34839), 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) [2021-10-13 01:13:44,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30554 states to 30554 states and 34839 transitions. [2021-10-13 01:13:44,756 INFO L78 Accepts]: Start accepts. Automaton has 30554 states and 34839 transitions. Word has length 275 [2021-10-13 01:13:44,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:44,757 INFO L470 AbstractCegarLoop]: Abstraction has 30554 states and 34839 transitions. [2021-10-13 01:13:44,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2021-10-13 01:13:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 30554 states and 34839 transitions. [2021-10-13 01:13:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-10-13 01:13:44,797 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:44,798 INFO L512 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:44,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 01:13:44,798 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:44,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:44,799 INFO L82 PathProgramCache]: Analyzing trace with hash 69326496, now seen corresponding path program 1 times [2021-10-13 01:13:44,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:44,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070980360] [2021-10-13 01:13:44,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:44,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-13 01:13:44,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:44,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070980360] [2021-10-13 01:13:44,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070980360] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:13:44,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763912104] [2021-10-13 01:13:44,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:44,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:44,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:13:44,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:13:44,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 01:13:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:45,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:13:45,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:13:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-13 01:13:46,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763912104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:46,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:13:46,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 01:13:46,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326889630] [2021-10-13 01:13:46,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:46,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:46,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:46,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:46,023 INFO L87 Difference]: Start difference. First operand 30554 states and 34839 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2021-10-13 01:13:46,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:46,959 INFO L93 Difference]: Finished difference Result 60909 states and 69479 transitions. [2021-10-13 01:13:46,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:46,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 287 [2021-10-13 01:13:46,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:47,005 INFO L225 Difference]: With dead ends: 60909 [2021-10-13 01:13:47,005 INFO L226 Difference]: Without dead ends: 30357 [2021-10-13 01:13:47,024 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:47,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30357 states. [2021-10-13 01:13:47,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30357 to 30148. [2021-10-13 01:13:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30148 states, 30147 states have (on average 1.1327826981125817) internal successors, (34150), 30147 states have internal predecessors, (34150), 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) [2021-10-13 01:13:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30148 states to 30148 states and 34150 transitions. [2021-10-13 01:13:47,591 INFO L78 Accepts]: Start accepts. Automaton has 30148 states and 34150 transitions. Word has length 287 [2021-10-13 01:13:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:47,592 INFO L470 AbstractCegarLoop]: Abstraction has 30148 states and 34150 transitions. [2021-10-13 01:13:47,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2021-10-13 01:13:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 30148 states and 34150 transitions. [2021-10-13 01:13:47,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-10-13 01:13:47,623 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:47,623 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:47,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-13 01:13:47,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-13 01:13:47,848 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:47,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1764230915, now seen corresponding path program 1 times [2021-10-13 01:13:47,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:47,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117402524] [2021-10-13 01:13:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:47,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-10-13 01:13:47,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:47,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117402524] [2021-10-13 01:13:47,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117402524] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:13:47,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980282422] [2021-10-13 01:13:47,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:47,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:47,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:13:47,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:13:48,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 01:13:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:48,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:13:48,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:13:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-13 01:13:49,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980282422] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:49,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:13:49,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 01:13:49,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411250763] [2021-10-13 01:13:49,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:49,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:49,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:49,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:49,174 INFO L87 Difference]: Start difference. First operand 30148 states and 34150 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2021-10-13 01:13:50,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:50,109 INFO L93 Difference]: Finished difference Result 57629 states and 65145 transitions. [2021-10-13 01:13:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:50,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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 329 [2021-10-13 01:13:50,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:50,161 INFO L225 Difference]: With dead ends: 57629 [2021-10-13 01:13:50,162 INFO L226 Difference]: Without dead ends: 27483 [2021-10-13 01:13:50,180 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:50,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27483 states. [2021-10-13 01:13:50,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27483 to 27480. [2021-10-13 01:13:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27480 states, 27479 states have (on average 1.1034608246297173) internal successors, (30322), 27479 states have internal predecessors, (30322), 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) [2021-10-13 01:13:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27480 states to 27480 states and 30322 transitions. [2021-10-13 01:13:50,771 INFO L78 Accepts]: Start accepts. Automaton has 27480 states and 30322 transitions. Word has length 329 [2021-10-13 01:13:50,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:50,772 INFO L470 AbstractCegarLoop]: Abstraction has 27480 states and 30322 transitions. [2021-10-13 01:13:50,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2021-10-13 01:13:50,773 INFO L276 IsEmpty]: Start isEmpty. Operand 27480 states and 30322 transitions. [2021-10-13 01:13:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-10-13 01:13:50,814 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:50,815 INFO L512 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 01:13:50,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:13:51,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:51,044 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:51,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1515580499, now seen corresponding path program 1 times [2021-10-13 01:13:51,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:51,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577034437] [2021-10-13 01:13:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:51,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-10-13 01:13:51,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:51,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577034437] [2021-10-13 01:13:51,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577034437] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:13:51,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534489525] [2021-10-13 01:13:51,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:51,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:13:51,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:13:51,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 01:13:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:51,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:13:51,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:13:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 01:13:52,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534489525] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:52,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:13:52,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 01:13:52,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955509665] [2021-10-13 01:13:52,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:52,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:52,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:52,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:52,618 INFO L87 Difference]: Start difference. First operand 27480 states and 30322 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2021-10-13 01:13:53,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:53,359 INFO L93 Difference]: Finished difference Result 54552 states and 60193 transitions. [2021-10-13 01:13:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:53,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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 347 [2021-10-13 01:13:53,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:53,402 INFO L225 Difference]: With dead ends: 54552 [2021-10-13 01:13:53,402 INFO L226 Difference]: Without dead ends: 27074 [2021-10-13 01:13:53,419 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:53,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27074 states. [2021-10-13 01:13:53,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27074 to 22603. [2021-10-13 01:13:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22603 states, 22602 states have (on average 1.0819838952305105) internal successors, (24455), 22602 states have internal predecessors, (24455), 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) [2021-10-13 01:13:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22603 states to 22603 states and 24455 transitions. [2021-10-13 01:13:53,968 INFO L78 Accepts]: Start accepts. Automaton has 22603 states and 24455 transitions. Word has length 347 [2021-10-13 01:13:53,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:53,969 INFO L470 AbstractCegarLoop]: Abstraction has 22603 states and 24455 transitions. [2021-10-13 01:13:53,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2021-10-13 01:13:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 22603 states and 24455 transitions. [2021-10-13 01:13:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-10-13 01:13:53,991 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:53,992 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:54,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:13:54,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:54,207 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:54,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:54,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1540798708, now seen corresponding path program 1 times [2021-10-13 01:13:54,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:54,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937929712] [2021-10-13 01:13:54,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:54,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 221 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-10-13 01:13:54,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:54,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937929712] [2021-10-13 01:13:54,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937929712] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:13:54,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403896953] [2021-10-13 01:13:54,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:54,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:54,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:13:54,398 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:13:54,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 01:13:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:55,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:13:55,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:13:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-13 01:13:55,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403896953] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:55,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:13:55,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-13 01:13:55,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778939397] [2021-10-13 01:13:55,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:55,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:55,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:55,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:55,930 INFO L87 Difference]: Start difference. First operand 22603 states and 24455 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 2 states have internal predecessors, (305), 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) [2021-10-13 01:13:56,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:56,527 INFO L93 Difference]: Finished difference Result 44802 states and 48451 transitions. [2021-10-13 01:13:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:56,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 2 states have internal predecessors, (305), 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 397 [2021-10-13 01:13:56,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:56,554 INFO L225 Difference]: With dead ends: 44802 [2021-10-13 01:13:56,554 INFO L226 Difference]: Without dead ends: 22201 [2021-10-13 01:13:56,566 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22201 states. [2021-10-13 01:13:56,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22201 to 21177. [2021-10-13 01:13:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21177 states, 21176 states have (on average 1.0671514922553835) internal successors, (22598), 21176 states have internal predecessors, (22598), 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) [2021-10-13 01:13:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21177 states to 21177 states and 22598 transitions. [2021-10-13 01:13:57,015 INFO L78 Accepts]: Start accepts. Automaton has 21177 states and 22598 transitions. Word has length 397 [2021-10-13 01:13:57,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:57,015 INFO L470 AbstractCegarLoop]: Abstraction has 21177 states and 22598 transitions. [2021-10-13 01:13:57,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 2 states have internal predecessors, (305), 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) [2021-10-13 01:13:57,016 INFO L276 IsEmpty]: Start isEmpty. Operand 21177 states and 22598 transitions. [2021-10-13 01:13:57,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-10-13 01:13:57,040 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:13:57,041 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:13:57,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:13:57,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-13 01:13:57,260 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:13:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:13:57,260 INFO L82 PathProgramCache]: Analyzing trace with hash 2020423567, now seen corresponding path program 1 times [2021-10-13 01:13:57,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:13:57,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511821612] [2021-10-13 01:13:57,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:57,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:13:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-10-13 01:13:57,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:13:57,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511821612] [2021-10-13 01:13:57,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511821612] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:13:57,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110096935] [2021-10-13 01:13:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:13:57,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:13:57,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:13:57,449 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:13:57,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 01:13:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:13:58,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:13:58,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:13:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-10-13 01:13:59,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110096935] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:13:59,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:13:59,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 01:13:59,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286460698] [2021-10-13 01:13:59,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:13:59,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:13:59,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:13:59,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:59,073 INFO L87 Difference]: Start difference. First operand 21177 states and 22598 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2021-10-13 01:13:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:13:59,678 INFO L93 Difference]: Finished difference Result 49271 states and 52538 transitions. [2021-10-13 01:13:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:13:59,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 401 [2021-10-13 01:13:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:13:59,679 INFO L225 Difference]: With dead ends: 49271 [2021-10-13 01:13:59,680 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:13:59,693 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:13:59,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:13:59,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:13:59,693 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) [2021-10-13 01:13:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:13:59,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2021-10-13 01:13:59,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:13:59,694 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:13:59,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2021-10-13 01:13:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:13:59,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:13:59,697 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:13:59,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:13:59,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-13 01:13:59,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:13:59,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:13:59,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:00,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:14:02,647 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-13 01:14:02,647 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-13 01:14:02,647 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,647 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-13 01:14:02,647 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,647 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,647 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,647 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,648 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,648 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,648 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,648 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,649 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,649 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,649 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-13 01:14:02,649 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-13 01:14:02,649 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-13 01:14:02,649 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,650 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-13 01:14:02,650 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-13 01:14:02,650 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,650 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,650 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,650 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,651 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,651 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,651 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,651 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,651 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,651 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-13 01:14:02,652 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-13 01:14:02,652 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-13 01:14:02,652 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,652 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,652 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,652 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,653 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,653 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,653 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-13 01:14:02,653 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-13 01:14:02,653 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,653 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-13 01:14:02,654 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,654 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-13 01:14:02,654 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-13 01:14:02,654 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,654 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,654 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,655 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,655 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,655 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,655 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,655 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-13 01:14:02,656 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,656 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-13 01:14:02,656 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-13 01:14:02,657 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,659 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,661 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,661 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,661 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-13 01:14:02,661 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-13 01:14:02,661 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,661 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,662 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,662 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,662 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,662 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,662 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,662 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,663 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,663 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,663 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-13 01:14:02,663 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-13 01:14:02,663 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-13 01:14:02,666 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,666 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,667 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,667 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,667 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,667 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,668 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-13 01:14:02,668 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-13 01:14:02,669 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-13 01:14:02,669 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,669 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,669 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,669 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,669 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,670 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,670 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-13 01:14:02,670 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-13 01:14:02,670 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-13 01:14:02,670 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,670 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,671 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,671 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-13 01:14:02,671 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,671 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-13 01:14:02,671 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:14:02,671 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,672 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,672 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-13 01:14:02,672 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-13 01:14:02,672 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,672 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,673 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,673 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,674 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,674 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,674 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,674 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-13 01:14:02,674 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-13 01:14:02,674 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-13 01:14:02,675 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-13 01:14:02,675 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-13 01:14:02,675 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,675 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,675 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,675 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,676 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,676 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,676 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,677 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,677 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,678 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,678 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-13 01:14:02,678 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-13 01:14:02,678 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-13 01:14:02,678 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,678 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,678 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,678 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1582) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-13 01:14:02,679 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-13 01:14:02,680 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,681 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-13 01:14:02,682 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-13 01:14:02,683 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-13 01:14:02,683 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-13 01:14:02,683 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,683 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,683 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,683 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse0 (= ~a15~0 1)) (.cse2 (<= 2 ~a3~0)) (.cse14 (<= ~a26~0 0)) (.cse4 (<= ~a12~0 0)) (.cse5 (= ~a27~0 1)) (.cse8 (= ~a26~0 1)) (.cse10 (= ~a11~0 1)) (.cse11 (<= ~a3~0 0)) (.cse7 (<= ~a6~0 0)) (.cse1 (= ~a5~0 1)) (.cse9 (= ~a12~0 1)) (.cse3 (= ~a11~0 0)) (.cse15 (= ~a3~0 1)) (.cse12 (= ~a6~0 1)) (.cse6 (= ~a18~0 1)) (.cse13 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse10 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse11 .cse10 .cse12 .cse6 .cse13) (and .cse8 .cse1 .cse11 .cse10 .cse4 .cse6 .cse13 .cse7) (and .cse1 .cse2 .cse10 .cse12 .cse4 .cse5 .cse6) (and .cse1 .cse9 .cse2 .cse3 .cse12 .cse5 .cse6) (and .cse1 .cse9 .cse14 .cse10 .cse15 .cse12 .cse6 .cse13) (and .cse8 .cse1 .cse9 .cse3 .cse12 .cse5 .cse6) (and .cse1 .cse9 .cse2 .cse14 .cse3 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse3 .cse15 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse9 .cse11 .cse3 .cse12 .cse6 .cse13) (and .cse1 .cse9 .cse14 .cse3 .cse12 .cse6 .cse13) (and .cse1 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse10 .cse15 .cse4 .cse6 .cse13 .cse7) (and .cse1 .cse14 .cse3 .cse15 .cse4 .cse6 .cse13 .cse7) (and .cse1 .cse10 .cse15 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse10 .cse12 .cse4 .cse6 .cse13) (and .cse8 .cse1 .cse3 .cse15 .cse4 .cse6 .cse13 .cse7) (and .cse8 .cse1 .cse9 .cse3 .cse12 .cse6 .cse13) (and .cse1 .cse14 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse2 .cse3 .cse6 .cse13 .cse7) (and .cse1 .cse2 .cse3 .cse12 .cse4 .cse6 .cse13) (and .cse0 .cse8 .cse1 .cse9 .cse10 .cse12 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse12 .cse4 .cse6 .cse13) (and .cse8 .cse1 .cse10 .cse12 .cse4 .cse5 .cse6) (and .cse1 .cse14 .cse10 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse11 .cse10 .cse12 .cse5 .cse6) (and .cse1 .cse3 .cse12 .cse4 .cse5 .cse6) (and .cse1 .cse11 .cse10 .cse12 .cse4 .cse6 .cse13) (and .cse0 .cse1 .cse9 .cse11 .cse10 .cse12 .cse5 .cse6) (and .cse1 .cse9 .cse2 .cse10 .cse12 .cse5 .cse6) (and .cse1 .cse2 .cse14 .cse10 .cse4 .cse6 .cse13 .cse7) (and .cse1 .cse11 .cse10 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse11 .cse10 .cse12 .cse4 .cse5 .cse6) (and .cse1 .cse11 .cse3 .cse12 .cse4 .cse6 .cse13) (and .cse8 .cse1 .cse10 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse10 .cse6 .cse13 .cse7) (and .cse1 .cse9 .cse11 .cse3 .cse6 .cse13 .cse7) (and .cse1 .cse9 .cse3 .cse15 .cse12 .cse6 .cse13))) [2021-10-13 01:14:02,683 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,683 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,684 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,684 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-13 01:14:02,684 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-13 01:14:02,684 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,684 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,684 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,684 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-13 01:14:02,684 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,684 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,685 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,685 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,685 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,685 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,685 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-13 01:14:02,685 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-13 01:14:02,686 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,686 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,686 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,686 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,686 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,686 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,687 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,687 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,687 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,687 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-13 01:14:02,687 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-13 01:14:02,687 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,688 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,688 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-13 01:14:02,688 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-13 01:14:02,688 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,689 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse0 (= ~a15~0 1)) (.cse2 (<= 2 ~a3~0)) (.cse14 (<= ~a26~0 0)) (.cse4 (<= ~a12~0 0)) (.cse5 (= ~a27~0 1)) (.cse8 (= ~a26~0 1)) (.cse10 (= ~a11~0 1)) (.cse11 (<= ~a3~0 0)) (.cse7 (<= ~a6~0 0)) (.cse1 (= ~a5~0 1)) (.cse9 (= ~a12~0 1)) (.cse3 (= ~a11~0 0)) (.cse15 (= ~a3~0 1)) (.cse12 (= ~a6~0 1)) (.cse6 (= ~a18~0 1)) (.cse13 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse10 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse11 .cse10 .cse12 .cse6 .cse13) (and .cse8 .cse1 .cse11 .cse10 .cse4 .cse6 .cse13 .cse7) (and .cse1 .cse2 .cse10 .cse12 .cse4 .cse5 .cse6) (and .cse1 .cse9 .cse2 .cse3 .cse12 .cse5 .cse6) (and .cse1 .cse9 .cse14 .cse10 .cse15 .cse12 .cse6 .cse13) (and .cse8 .cse1 .cse9 .cse3 .cse12 .cse5 .cse6) (and .cse1 .cse9 .cse2 .cse14 .cse3 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse3 .cse15 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse9 .cse11 .cse3 .cse12 .cse6 .cse13) (and .cse1 .cse9 .cse14 .cse3 .cse12 .cse6 .cse13) (and .cse1 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse10 .cse15 .cse4 .cse6 .cse13 .cse7) (and .cse1 .cse14 .cse3 .cse15 .cse4 .cse6 .cse13 .cse7) (and .cse1 .cse10 .cse15 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse10 .cse12 .cse4 .cse6 .cse13) (and .cse8 .cse1 .cse3 .cse15 .cse4 .cse6 .cse13 .cse7) (and .cse8 .cse1 .cse9 .cse3 .cse12 .cse6 .cse13) (and .cse1 .cse14 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse2 .cse3 .cse6 .cse13 .cse7) (and .cse1 .cse2 .cse3 .cse12 .cse4 .cse6 .cse13) (and .cse0 .cse8 .cse1 .cse9 .cse10 .cse12 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse12 .cse4 .cse6 .cse13) (and .cse8 .cse1 .cse10 .cse12 .cse4 .cse5 .cse6) (and .cse1 .cse14 .cse10 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse11 .cse10 .cse12 .cse5 .cse6) (and .cse1 .cse3 .cse12 .cse4 .cse5 .cse6) (and .cse1 .cse11 .cse10 .cse12 .cse4 .cse6 .cse13) (and .cse0 .cse1 .cse9 .cse11 .cse10 .cse12 .cse5 .cse6) (and .cse1 .cse9 .cse2 .cse10 .cse12 .cse5 .cse6) (and .cse1 .cse2 .cse14 .cse10 .cse4 .cse6 .cse13 .cse7) (and .cse1 .cse11 .cse10 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse11 .cse10 .cse12 .cse4 .cse5 .cse6) (and .cse1 .cse11 .cse3 .cse12 .cse4 .cse6 .cse13) (and .cse8 .cse1 .cse10 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse10 .cse6 .cse13 .cse7) (and .cse1 .cse9 .cse11 .cse3 .cse6 .cse13 .cse7) (and .cse1 .cse9 .cse3 .cse15 .cse12 .cse6 .cse13))) [2021-10-13 01:14:02,689 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,689 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,689 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,689 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,689 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-13 01:14:02,690 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-13 01:14:02,690 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,690 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,690 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,690 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,690 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,691 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,691 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,691 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,691 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:14:02,691 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-13 01:14:02,691 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-13 01:14:02,692 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-13 01:14:02,692 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,692 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-13 01:14:02,692 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,692 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,692 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-13 01:14:02,693 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,693 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,693 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,693 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,693 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,693 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-13 01:14:02,694 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,694 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-13 01:14:02,694 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-13 01:14:02,694 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-13 01:14:02,694 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,694 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,695 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,695 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,695 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,695 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,695 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,695 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,696 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-13 01:14:02,696 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-13 01:14:02,696 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,696 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,696 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-13 01:14:02,696 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-13 01:14:02,697 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-13 01:14:02,697 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,697 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,697 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,697 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,697 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,698 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:14:02,698 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,698 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,698 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,698 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,698 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,699 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,699 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-13 01:14:02,699 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-13 01:14:02,699 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-13 01:14:02,699 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,699 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,700 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,700 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,700 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,700 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,700 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,700 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-13 01:14:02,700 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-13 01:14:02,701 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,701 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-13 01:14:02,701 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-13 01:14:02,701 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-13 01:14:02,701 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,701 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,702 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,702 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,702 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-13 01:14:02,702 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-13 01:14:02,702 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-13 01:14:02,702 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,703 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,703 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-13 01:14:02,707 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:14:02,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:14:02 BoogieIcfgContainer [2021-10-13 01:14:02,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:14:02,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:14:02,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:14:02,759 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:14:02,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:13:26" (3/4) ... [2021-10-13 01:14:02,775 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:14:02,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 01:14:02,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 01:14:02,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:14:02,818 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:14:03,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:14:03,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:14:03,041 INFO L168 Benchmark]: Toolchain (without parser) took 40140.84 ms. Allocated memory was 115.3 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 81.1 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 965.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:03,042 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 115.3 MB. Free memory is still 70.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:14:03,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1191.44 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 81.1 MB in the beginning and 96.9 MB in the end (delta: -15.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:03,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.12 ms. Allocated memory is still 144.7 MB. Free memory was 96.9 MB in the beginning and 82.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:03,044 INFO L168 Benchmark]: Boogie Preprocessor took 123.24 ms. Allocated memory is still 144.7 MB. Free memory was 82.2 MB in the beginning and 71.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:03,044 INFO L168 Benchmark]: RCFGBuilder took 2053.29 ms. Allocated memory was 144.7 MB in the beginning and 228.6 MB in the end (delta: 83.9 MB). Free memory was 71.7 MB in the beginning and 143.3 MB in the end (delta: -71.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:03,045 INFO L168 Benchmark]: TraceAbstraction took 36320.16 ms. Allocated memory was 228.6 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 142.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 876.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:03,045 INFO L168 Benchmark]: Witness Printer took 281.20 ms. Allocated memory is still 3.0 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:03,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 115.3 MB. Free memory is still 70.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1191.44 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 81.1 MB in the beginning and 96.9 MB in the end (delta: -15.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 160.12 ms. Allocated memory is still 144.7 MB. Free memory was 96.9 MB in the beginning and 82.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.24 ms. Allocated memory is still 144.7 MB. Free memory was 82.2 MB in the beginning and 71.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2053.29 ms. Allocated memory was 144.7 MB in the beginning and 228.6 MB in the end (delta: 83.9 MB). Free memory was 71.7 MB in the beginning and 143.3 MB in the end (delta: -71.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36320.16 ms. Allocated memory was 228.6 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 142.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 876.0 MB. Max. memory is 16.1 GB. * Witness Printer took 281.20 ms. Allocated memory is still 3.0 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1582]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36194.2ms, OverallIterations: 16, TraceHistogramMax: 5, EmptinessCheckTime: 308.7ms, AutomataDifference: 15251.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2734.7ms, InitialAbstractionConstructionTime: 22.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2806 SDtfs, 2399 SDslu, 302 SDs, 0 SdLazy, 9491 SolverSat, 1458 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10160.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2237 GetRequests, 2205 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 133.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=30554occurred in iteration=11, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4203.6ms AutomataMinimizationTime, 16 MinimizatonAttempts, 9843 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 217 NumberOfFragments, 1841 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5800 FormulaSimplificationTreeSizeReduction, 563.8ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 1438 FormulaSimplificationTreeSizeReductionInter, 2161.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 785.8ms SsaConstructionTime, 1497.0ms SatisfiabilityAnalysisTime, 7319.0ms InterpolantComputationTime, 6348 NumberOfCodeBlocks, 6348 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 6325 ConstructedInterpolants, 0 QuantifiedInterpolants, 20312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4006 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 23 InterpolantComputations, 16 PerfectInterpolantSequences, 3094/3136 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((a15 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a26 <= 0) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 0) && a3 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 1) && a3 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a26 <= 0) && a11 == 0) && a3 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a11 == 1) && a3 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 0) && a3 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 0) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a11 == 0) && a3 == 1) && a6 == 1) && a18 == 1) && a27 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((a15 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a26 <= 0) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 0) && a3 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 1) && a3 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a26 <= 0) && a11 == 0) && a3 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a11 == 1) && a3 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 0) && a3 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 0) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a11 == 0) && a3 == 1) && a6 == 1) && a18 == 1) && a27 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-13 01:14:03,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bfd9ce5-df63-45a6-96c2-32f195f604b1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...