./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD --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 91ebea43abc6271e81b3eed447826b716b76bbe82349fcd855bbd6d5636a25a9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:14:51,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:14:51,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:14:51,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:14:51,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:14:51,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:14:51,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:14:51,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:14:51,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:14:51,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:14:51,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:14:51,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:14:51,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:14:51,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:14:51,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:14:51,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:14:51,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:14:51,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:14:51,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:14:51,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:14:51,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:14:51,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:14:51,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:14:51,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:14:51,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:14:51,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:14:51,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:14:51,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:14:51,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:14:51,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:14:51,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:14:51,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:14:51,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:14:51,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:14:51,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:14:51,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:14:51,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:14:51,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:14:51,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:14:51,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:14:51,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:14:51,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:14:51,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:14:51,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:14:51,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:14:51,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:14:51,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:14:51,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:14:51,818 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:14:51,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:14:51,819 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:14:51,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:14:51,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:14:51,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:14:51,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:14:51,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:14:51,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:14:51,821 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:14:51,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:14:51,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:14:51,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:14:51,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:14:51,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:14:51,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:14:51,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:14:51,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:14:51,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:14:51,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:14:51,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:14:51,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:14:51,824 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:14:51,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:14:51,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:14:51,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:14:51,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91ebea43abc6271e81b3eed447826b716b76bbe82349fcd855bbd6d5636a25a9 [2021-10-28 23:14:52,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:14:52,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:14:52,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:14:52,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:14:52,128 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:14:52,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem01_label41.c [2021-10-28 23:14:52,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/data/a63e45155/ff13b993be8741fcb8e64c7848c44424/FLAG6d9305f18 [2021-10-28 23:14:52,754 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:14:52,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/sv-benchmarks/c/eca-rers2012/Problem01_label41.c [2021-10-28 23:14:52,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/data/a63e45155/ff13b993be8741fcb8e64c7848c44424/FLAG6d9305f18 [2021-10-28 23:14:53,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/data/a63e45155/ff13b993be8741fcb8e64c7848c44424 [2021-10-28 23:14:53,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:14:53,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:14:53,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:53,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:14:53,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:14:53,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:53" (1/1) ... [2021-10-28 23:14:53,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c17e7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:53, skipping insertion in model container [2021-10-28 23:14:53,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:53" (1/1) ... [2021-10-28 23:14:53,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:14:53,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:14:54,010 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_ac290024-dd96-4dd4-b51b-62b0e29124da/sv-benchmarks/c/eca-rers2012/Problem01_label41.c[16127,16140] [2021-10-28 23:14:54,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:14:54,133 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:14:54,392 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_ac290024-dd96-4dd4-b51b-62b0e29124da/sv-benchmarks/c/eca-rers2012/Problem01_label41.c[16127,16140] [2021-10-28 23:14:54,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:14:54,483 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:14:54,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54 WrapperNode [2021-10-28 23:14:54,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:54,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:14:54,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:14:54,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:14:54,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:14:54,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:14:54,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:14:54,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:14:54,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:14:54,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:14:54,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:14:54,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:14:54,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (1/1) ... [2021-10-28 23:14:54,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:14:54,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:54,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:54,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:14:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:14:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:14:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:14:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:14:56,096 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:14:56,097 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:14:56,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:56 BoogieIcfgContainer [2021-10-28 23:14:56,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:14:56,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:14:56,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:14:56,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:14:56,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:14:53" (1/3) ... [2021-10-28 23:14:56,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229d84de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:14:56, skipping insertion in model container [2021-10-28 23:14:56,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:54" (2/3) ... [2021-10-28 23:14:56,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229d84de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:14:56, skipping insertion in model container [2021-10-28 23:14:56,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:56" (3/3) ... [2021-10-28 23:14:56,109 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2021-10-28 23:14:56,117 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:14:56,117 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:14:56,165 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:14:56,176 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:14:56,177 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:14:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 23:14:56,208 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:14:56,208 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:56,209 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:14:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:56,214 INFO L85 PathProgramCache]: Analyzing trace with hash 867355110, now seen corresponding path program 1 times [2021-10-28 23:14:56,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:56,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547514267] [2021-10-28 23:14:56,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:56,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:14:56,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:56,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547514267] [2021-10-28 23:14:56,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547514267] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:14:56,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:14:56,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:14:56,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593825590] [2021-10-28 23:14:56,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:14:56,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:56,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:14:56,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:56,684 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:57,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:57,460 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-10-28 23:14:57,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:14:57,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 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 85 [2021-10-28 23:14:57,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:14:57,477 INFO L225 Difference]: With dead ends: 528 [2021-10-28 23:14:57,477 INFO L226 Difference]: Without dead ends: 266 [2021-10-28 23:14:57,482 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:57,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-28 23:14:57,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-10-28 23:14:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4566037735849056) internal successors, (386), 265 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2021-10-28 23:14:57,545 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 85 [2021-10-28 23:14:57,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:14:57,546 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2021-10-28 23:14:57,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2021-10-28 23:14:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-28 23:14:57,552 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:14:57,552 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:14:57,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:14:57,553 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:14:57,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:57,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1655802317, now seen corresponding path program 1 times [2021-10-28 23:14:57,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:57,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084536360] [2021-10-28 23:14:57,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:57,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:14:57,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:57,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084536360] [2021-10-28 23:14:57,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084536360] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:14:57,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:14:57,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:14:57,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483279255] [2021-10-28 23:14:57,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:14:57,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:57,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:14:57,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:57,663 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:58,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:58,233 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2021-10-28 23:14:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:14:58,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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 91 [2021-10-28 23:14:58,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:14:58,240 INFO L225 Difference]: With dead ends: 792 [2021-10-28 23:14:58,241 INFO L226 Difference]: Without dead ends: 528 [2021-10-28 23:14:58,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:58,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-28 23:14:58,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-10-28 23:14:58,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3776091081593929) internal successors, (726), 527 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:58,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 726 transitions. [2021-10-28 23:14:58,287 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 726 transitions. Word has length 91 [2021-10-28 23:14:58,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:14:58,288 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 726 transitions. [2021-10-28 23:14:58,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 726 transitions. [2021-10-28 23:14:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 23:14:58,294 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:14:58,294 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:58,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:14:58,295 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:14:58,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:58,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1589093430, now seen corresponding path program 1 times [2021-10-28 23:14:58,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:58,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374833941] [2021-10-28 23:14:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:58,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:14:58,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:58,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374833941] [2021-10-28 23:14:58,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374833941] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:14:58,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:14:58,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:14:58,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514832621] [2021-10-28 23:14:58,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:14:58,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:58,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:14:58,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:58,435 INFO L87 Difference]: Start difference. First operand 528 states and 726 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:58,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:58,963 INFO L93 Difference]: Finished difference Result 1578 states and 2173 transitions. [2021-10-28 23:14:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:14:58,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 106 [2021-10-28 23:14:58,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:14:58,972 INFO L225 Difference]: With dead ends: 1578 [2021-10-28 23:14:58,972 INFO L226 Difference]: Without dead ends: 1052 [2021-10-28 23:14:58,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:58,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2021-10-28 23:14:59,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2021-10-28 23:14:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.3092293054234063) internal successors, (1376), 1051 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:59,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1376 transitions. [2021-10-28 23:14:59,016 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1376 transitions. Word has length 106 [2021-10-28 23:14:59,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:14:59,017 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1376 transitions. [2021-10-28 23:14:59,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:59,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1376 transitions. [2021-10-28 23:14:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-28 23:14:59,028 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:14:59,029 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:59,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:14:59,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:14:59,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:59,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1915873080, now seen corresponding path program 1 times [2021-10-28 23:14:59,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:59,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415320442] [2021-10-28 23:14:59,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:59,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:14:59,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:59,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415320442] [2021-10-28 23:14:59,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415320442] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:14:59,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:14:59,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:14:59,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133132343] [2021-10-28 23:14:59,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:14:59,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:59,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:14:59,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:59,195 INFO L87 Difference]: Start difference. First operand 1052 states and 1376 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:59,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:59,749 INFO L93 Difference]: Finished difference Result 2495 states and 3288 transitions. [2021-10-28 23:14:59,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:14:59,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 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 119 [2021-10-28 23:14:59,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:14:59,759 INFO L225 Difference]: With dead ends: 2495 [2021-10-28 23:14:59,759 INFO L226 Difference]: Without dead ends: 1445 [2021-10-28 23:14:59,762 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:59,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2021-10-28 23:14:59,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1052. [2021-10-28 23:14:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.3044719314938154) internal successors, (1371), 1051 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1371 transitions. [2021-10-28 23:14:59,796 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1371 transitions. Word has length 119 [2021-10-28 23:14:59,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:14:59,797 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1371 transitions. [2021-10-28 23:14:59,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1371 transitions. [2021-10-28 23:14:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-28 23:14:59,800 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:14:59,800 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:59,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:14:59,801 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:14:59,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:59,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2700462, now seen corresponding path program 1 times [2021-10-28 23:14:59,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:59,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328544193] [2021-10-28 23:14:59,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:59,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-28 23:14:59,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:59,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328544193] [2021-10-28 23:14:59,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328544193] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:14:59,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:14:59,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:14:59,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002390410] [2021-10-28 23:14:59,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:14:59,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:59,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:14:59,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:14:59,867 INFO L87 Difference]: Start difference. First operand 1052 states and 1371 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:00,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:00,304 INFO L93 Difference]: Finished difference Result 2626 states and 3390 transitions. [2021-10-28 23:15:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:00,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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 123 [2021-10-28 23:15:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:00,314 INFO L225 Difference]: With dead ends: 2626 [2021-10-28 23:15:00,314 INFO L226 Difference]: Without dead ends: 1576 [2021-10-28 23:15:00,315 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:00,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-10-28 23:15:00,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1314. [2021-10-28 23:15:00,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1313 states have (on average 1.2711348057882712) internal successors, (1669), 1313 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1669 transitions. [2021-10-28 23:15:00,355 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1669 transitions. Word has length 123 [2021-10-28 23:15:00,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:00,356 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 1669 transitions. [2021-10-28 23:15:00,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:00,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1669 transitions. [2021-10-28 23:15:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-28 23:15:00,360 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:00,361 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:00,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:15:00,361 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:00,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:00,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1985753384, now seen corresponding path program 1 times [2021-10-28 23:15:00,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:00,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045775008] [2021-10-28 23:15:00,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:00,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-28 23:15:00,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:00,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045775008] [2021-10-28 23:15:00,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045775008] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:00,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:00,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:00,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862056255] [2021-10-28 23:15:00,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:00,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:00,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:00,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:00,414 INFO L87 Difference]: Start difference. First operand 1314 states and 1669 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:00,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:00,907 INFO L93 Difference]: Finished difference Result 3281 states and 4117 transitions. [2021-10-28 23:15:00,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:00,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 136 [2021-10-28 23:15:00,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:00,919 INFO L225 Difference]: With dead ends: 3281 [2021-10-28 23:15:00,920 INFO L226 Difference]: Without dead ends: 1969 [2021-10-28 23:15:00,922 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:00,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-10-28 23:15:00,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1576. [2021-10-28 23:15:00,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.245079365079365) internal successors, (1961), 1575 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1961 transitions. [2021-10-28 23:15:00,975 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1961 transitions. Word has length 136 [2021-10-28 23:15:00,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:00,976 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1961 transitions. [2021-10-28 23:15:00,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:00,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1961 transitions. [2021-10-28 23:15:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-28 23:15:00,980 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:00,981 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:00,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:15:00,981 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:00,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:00,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1308978639, now seen corresponding path program 1 times [2021-10-28 23:15:00,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:00,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851865087] [2021-10-28 23:15:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:00,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-28 23:15:01,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:01,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851865087] [2021-10-28 23:15:01,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851865087] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:01,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:01,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:01,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336710646] [2021-10-28 23:15:01,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:01,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:01,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:01,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:01,055 INFO L87 Difference]: Start difference. First operand 1576 states and 1961 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:01,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:01,508 INFO L93 Difference]: Finished difference Result 3412 states and 4260 transitions. [2021-10-28 23:15:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:01,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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 138 [2021-10-28 23:15:01,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:01,522 INFO L225 Difference]: With dead ends: 3412 [2021-10-28 23:15:01,522 INFO L226 Difference]: Without dead ends: 1838 [2021-10-28 23:15:01,524 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:01,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2021-10-28 23:15:01,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2021-10-28 23:15:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.2368112543962486) internal successors, (2110), 1706 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2110 transitions. [2021-10-28 23:15:01,572 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2110 transitions. Word has length 138 [2021-10-28 23:15:01,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:01,572 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 2110 transitions. [2021-10-28 23:15:01,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2110 transitions. [2021-10-28 23:15:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-10-28 23:15:01,577 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:01,577 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:15:01,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:15:01,578 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:01,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:01,578 INFO L85 PathProgramCache]: Analyzing trace with hash 931813, now seen corresponding path program 1 times [2021-10-28 23:15:01,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:01,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295214694] [2021-10-28 23:15:01,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:01,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-28 23:15:01,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:01,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295214694] [2021-10-28 23:15:01,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295214694] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:01,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826119571] [2021-10-28 23:15:01,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:01,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:01,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:01,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:01,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:15:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:01,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:15:01,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-28 23:15:02,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826119571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:02,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:02,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:15:02,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790368008] [2021-10-28 23:15:02,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:02,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:02,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:02,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:02,323 INFO L87 Difference]: Start difference. First operand 1707 states and 2110 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:02,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:02,744 INFO L93 Difference]: Finished difference Result 2102 states and 2577 transitions. [2021-10-28 23:15:02,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:02,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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 154 [2021-10-28 23:15:02,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:02,757 INFO L225 Difference]: With dead ends: 2102 [2021-10-28 23:15:02,757 INFO L226 Difference]: Without dead ends: 2100 [2021-10-28 23:15:02,758 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:02,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-10-28 23:15:02,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1707. [2021-10-28 23:15:02,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.2368112543962486) internal successors, (2110), 1706 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:02,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2110 transitions. [2021-10-28 23:15:02,827 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2110 transitions. Word has length 154 [2021-10-28 23:15:02,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:02,828 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 2110 transitions. [2021-10-28 23:15:02,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:02,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2110 transitions. [2021-10-28 23:15:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-10-28 23:15:02,833 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:02,833 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:15:02,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:03,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:03,048 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:03,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:03,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1276757716, now seen corresponding path program 1 times [2021-10-28 23:15:03,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:03,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297639220] [2021-10-28 23:15:03,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:03,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-28 23:15:03,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:03,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297639220] [2021-10-28 23:15:03,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297639220] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:03,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368060017] [2021-10-28 23:15:03,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:03,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:03,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:03,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:15:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:03,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:15:03,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-28 23:15:03,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368060017] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:03,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:03,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:15:03,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021779646] [2021-10-28 23:15:03,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:03,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:03,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:03,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:03,756 INFO L87 Difference]: Start difference. First operand 1707 states and 2110 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:04,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:04,200 INFO L93 Difference]: Finished difference Result 3412 states and 4218 transitions. [2021-10-28 23:15:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:04,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 160 [2021-10-28 23:15:04,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:04,211 INFO L225 Difference]: With dead ends: 3412 [2021-10-28 23:15:04,211 INFO L226 Difference]: Without dead ends: 1707 [2021-10-28 23:15:04,214 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:04,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-10-28 23:15:04,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2021-10-28 23:15:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.195983379501385) internal successors, (1727), 1444 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1727 transitions. [2021-10-28 23:15:04,255 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1727 transitions. Word has length 160 [2021-10-28 23:15:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:04,255 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1727 transitions. [2021-10-28 23:15:04,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1727 transitions. [2021-10-28 23:15:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-10-28 23:15:04,259 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:04,260 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:15:04,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:04,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-28 23:15:04,476 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:04,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:04,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1476523833, now seen corresponding path program 1 times [2021-10-28 23:15:04,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:04,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932714601] [2021-10-28 23:15:04,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:04,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-28 23:15:04,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:04,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932714601] [2021-10-28 23:15:04,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932714601] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:04,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:04,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:04,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953597847] [2021-10-28 23:15:04,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:04,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:04,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:04,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:04,718 INFO L87 Difference]: Start difference. First operand 1445 states and 1727 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:05,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:05,422 INFO L93 Difference]: Finished difference Result 3412 states and 4042 transitions. [2021-10-28 23:15:05,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:05,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2021-10-28 23:15:05,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:05,434 INFO L225 Difference]: With dead ends: 3412 [2021-10-28 23:15:05,434 INFO L226 Difference]: Without dead ends: 1969 [2021-10-28 23:15:05,436 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:05,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-10-28 23:15:05,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2021-10-28 23:15:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.1764361078546308) internal successors, (2007), 1706 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:05,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2007 transitions. [2021-10-28 23:15:05,488 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2007 transitions. Word has length 172 [2021-10-28 23:15:05,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:05,488 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 2007 transitions. [2021-10-28 23:15:05,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2007 transitions. [2021-10-28 23:15:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-10-28 23:15:05,493 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:05,494 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:05,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:15:05,494 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:05,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1669631844, now seen corresponding path program 1 times [2021-10-28 23:15:05,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:05,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346565614] [2021-10-28 23:15:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:05,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 57 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:05,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:05,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346565614] [2021-10-28 23:15:05,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346565614] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:05,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691908529] [2021-10-28 23:15:05,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:05,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:05,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:05,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:05,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:15:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:06,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:15:06,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-28 23:15:06,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691908529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:06,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:06,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-28 23:15:06,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192588160] [2021-10-28 23:15:06,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:06,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:06,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:06,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:15:06,538 INFO L87 Difference]: Start difference. First operand 1707 states and 2007 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:07,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:07,054 INFO L93 Difference]: Finished difference Result 3541 states and 4166 transitions. [2021-10-28 23:15:07,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:07,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 189 [2021-10-28 23:15:07,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:07,056 INFO L225 Difference]: With dead ends: 3541 [2021-10-28 23:15:07,057 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:15:07,061 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:15:07,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:15:07,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:15:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:15:07,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2021-10-28 23:15:07,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:07,065 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:15:07,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:15:07,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:15:07,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:15:07,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:07,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:07,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:15:07,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:15:07,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:15:07,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:15:07,601 INFO L857 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-10-28 23:15:07,601 INFO L857 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-10-28 23:15:07,601 INFO L857 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-10-28 23:15:07,602 INFO L857 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-10-28 23:15:07,602 INFO L857 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-10-28 23:15:07,602 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-10-28 23:15:07,602 INFO L857 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-10-28 23:15:07,602 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-10-28 23:15:07,602 INFO L857 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,602 INFO L857 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,602 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-10-28 23:15:07,603 INFO L857 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-10-28 23:15:07,604 INFO L857 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-10-28 23:15:07,604 INFO L857 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-10-28 23:15:07,604 INFO L857 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-10-28 23:15:07,604 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-10-28 23:15:07,604 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-10-28 23:15:07,604 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-10-28 23:15:07,604 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-10-28 23:15:07,605 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,605 INFO L857 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,605 INFO L857 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,605 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,605 INFO L857 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,605 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-10-28 23:15:07,605 INFO L857 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,605 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-10-28 23:15:07,606 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-10-28 23:15:07,606 INFO L857 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-10-28 23:15:07,606 INFO L857 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-10-28 23:15:07,606 INFO L857 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-10-28 23:15:07,606 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-28 23:15:07,606 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-28 23:15:07,606 INFO L857 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,607 INFO L857 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,608 INFO L857 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,608 INFO L857 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,608 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,608 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-10-28 23:15:07,608 INFO L857 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-10-28 23:15:07,608 INFO L857 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-10-28 23:15:07,608 INFO L857 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-28 23:15:07,608 INFO L857 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-10-28 23:15:07,609 INFO L857 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-28 23:15:07,609 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-28 23:15:07,609 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-10-28 23:15:07,609 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-10-28 23:15:07,609 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-10-28 23:15:07,609 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-10-28 23:15:07,609 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-10-28 23:15:07,610 INFO L857 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,610 INFO L857 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,610 INFO L857 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,610 INFO L857 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,610 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,610 INFO L857 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,610 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-10-28 23:15:07,610 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-10-28 23:15:07,611 INFO L857 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-10-28 23:15:07,611 INFO L857 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-10-28 23:15:07,611 INFO L857 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-10-28 23:15:07,611 INFO L857 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-10-28 23:15:07,611 INFO L857 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-10-28 23:15:07,611 INFO L857 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-10-28 23:15:07,611 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-10-28 23:15:07,612 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-10-28 23:15:07,612 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,612 INFO L857 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,612 INFO L857 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,612 INFO L857 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,612 INFO L857 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,612 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,613 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-10-28 23:15:07,613 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-10-28 23:15:07,613 INFO L857 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-10-28 23:15:07,613 INFO L857 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-10-28 23:15:07,613 INFO L857 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-10-28 23:15:07,613 INFO L857 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-10-28 23:15:07,613 INFO L857 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-28 23:15:07,614 INFO L857 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-10-28 23:15:07,614 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-10-28 23:15:07,614 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-10-28 23:15:07,614 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-10-28 23:15:07,614 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-10-28 23:15:07,614 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-10-28 23:15:07,614 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-10-28 23:15:07,615 INFO L857 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-10-28 23:15:07,615 INFO L857 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,615 INFO L857 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,615 INFO L857 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,615 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,615 INFO L857 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,615 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:15:07,616 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-10-28 23:15:07,616 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-10-28 23:15:07,616 INFO L857 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-10-28 23:15:07,616 INFO L857 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-10-28 23:15:07,616 INFO L857 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-10-28 23:15:07,616 INFO L857 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-10-28 23:15:07,616 INFO L857 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-28 23:15:07,617 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-28 23:15:07,617 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-10-28 23:15:07,617 INFO L853 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse3 (<= ~a21~0 0)) (.cse2 (= ~a20~0 1)) (.cse1 (= ~a17~0 1)) (.cse5 (<= 14 ~a8~0)) (.cse6 (<= ~a17~0 0)) (.cse0 (= ~a21~0 1)) (.cse4 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse2) (and (or (and .cse0 (<= 15 ~a8~0)) (and (<= 5 ~a16~0) .cse0)) .cse5 .cse1) (and .cse6 .cse5 .cse0) (and .cse6 .cse0 .cse4))) [2021-10-28 23:15:07,617 INFO L857 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,617 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,618 INFO L857 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,618 INFO L857 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,618 INFO L857 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,618 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-10-28 23:15:07,618 INFO L857 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-10-28 23:15:07,618 INFO L857 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-10-28 23:15:07,618 INFO L857 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-10-28 23:15:07,619 INFO L857 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-10-28 23:15:07,619 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-28 23:15:07,619 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-10-28 23:15:07,619 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-10-28 23:15:07,619 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-10-28 23:15:07,619 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-10-28 23:15:07,619 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-10-28 23:15:07,620 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-10-28 23:15:07,620 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:15:07,620 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-10-28 23:15:07,620 INFO L860 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-10-28 23:15:07,620 INFO L857 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,620 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,621 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,621 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,621 INFO L857 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,621 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-10-28 23:15:07,621 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-10-28 23:15:07,621 INFO L857 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-10-28 23:15:07,621 INFO L857 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-10-28 23:15:07,622 INFO L857 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-10-28 23:15:07,622 INFO L857 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-10-28 23:15:07,622 INFO L857 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-10-28 23:15:07,622 INFO L857 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-10-28 23:15:07,622 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-10-28 23:15:07,622 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:15:07,622 INFO L857 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,623 INFO L857 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,623 INFO L857 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,623 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,623 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-10-28 23:15:07,623 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,623 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-10-28 23:15:07,623 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-10-28 23:15:07,624 INFO L857 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-28 23:15:07,624 INFO L857 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-10-28 23:15:07,624 INFO L857 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-10-28 23:15:07,624 INFO L857 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-28 23:15:07,624 INFO L857 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-10-28 23:15:07,624 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-10-28 23:15:07,624 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-10-28 23:15:07,625 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-10-28 23:15:07,625 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-10-28 23:15:07,625 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-10-28 23:15:07,625 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-10-28 23:15:07,625 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,625 INFO L853 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse3 (<= ~a21~0 0)) (.cse2 (= ~a20~0 1)) (.cse1 (= ~a17~0 1)) (.cse5 (<= 14 ~a8~0)) (.cse6 (<= ~a17~0 0)) (.cse0 (= ~a21~0 1)) (.cse4 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse2) (and (or (and .cse0 (<= 15 ~a8~0)) (and (<= 5 ~a16~0) .cse0)) .cse5 .cse1) (and .cse6 .cse5 .cse0) (and .cse6 .cse0 .cse4))) [2021-10-28 23:15:07,626 INFO L857 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,626 INFO L857 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,626 INFO L857 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,626 INFO L857 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,626 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-10-28 23:15:07,626 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:15:07,627 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-28 23:15:07,627 INFO L857 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-10-28 23:15:07,627 INFO L857 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-10-28 23:15:07,627 INFO L857 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-10-28 23:15:07,627 INFO L857 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-10-28 23:15:07,627 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-28 23:15:07,627 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-10-28 23:15:07,627 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-10-28 23:15:07,628 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,628 INFO L857 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,628 INFO L857 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,628 INFO L857 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,628 INFO L857 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 23:15:07,628 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-10-28 23:15:07,629 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-10-28 23:15:07,629 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-10-28 23:15:07,629 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-10-28 23:15:07,632 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:07,634 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:15:07,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:15:07 BoogieIcfgContainer [2021-10-28 23:15:07,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:15:07,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:15:07,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:15:07,656 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:15:07,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:56" (3/4) ... [2021-10-28 23:15:07,660 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:15:07,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:15:07,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:15:07,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:15:07,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:15:07,830 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:15:07,831 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:15:07,832 INFO L168 Benchmark]: Toolchain (without parser) took 14821.58 ms. Allocated memory was 142.6 MB in the beginning and 281.0 MB in the end (delta: 138.4 MB). Free memory was 104.1 MB in the beginning and 170.7 MB in the end (delta: -66.5 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:07,833 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 151.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:15:07,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1457.48 ms. Allocated memory is still 142.6 MB. Free memory was 104.0 MB in the beginning and 99.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:07,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.99 ms. Allocated memory is still 142.6 MB. Free memory was 99.6 MB in the beginning and 94.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:07,834 INFO L168 Benchmark]: Boogie Preprocessor took 99.33 ms. Allocated memory is still 142.6 MB. Free memory was 94.0 MB in the beginning and 89.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:07,835 INFO L168 Benchmark]: RCFGBuilder took 1386.11 ms. Allocated memory is still 142.6 MB. Free memory was 89.8 MB in the beginning and 90.4 MB in the end (delta: -634.4 kB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:07,835 INFO L168 Benchmark]: TraceAbstraction took 11553.12 ms. Allocated memory was 142.6 MB in the beginning and 281.0 MB in the end (delta: 138.4 MB). Free memory was 89.9 MB in the beginning and 184.5 MB in the end (delta: -94.5 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:07,835 INFO L168 Benchmark]: Witness Printer took 175.46 ms. Allocated memory is still 281.0 MB. Free memory was 184.5 MB in the beginning and 170.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:15:07,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 151.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1457.48 ms. Allocated memory is still 142.6 MB. Free memory was 104.0 MB in the beginning and 99.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.99 ms. Allocated memory is still 142.6 MB. Free memory was 99.6 MB in the beginning and 94.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.33 ms. Allocated memory is still 142.6 MB. Free memory was 94.0 MB in the beginning and 89.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1386.11 ms. Allocated memory is still 142.6 MB. Free memory was 89.8 MB in the beginning and 90.4 MB in the end (delta: -634.4 kB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11553.12 ms. Allocated memory was 142.6 MB in the beginning and 281.0 MB in the end (delta: 138.4 MB). Free memory was 89.9 MB in the beginning and 184.5 MB in the end (delta: -94.5 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. * Witness Printer took 175.46 ms. Allocated memory is still 281.0 MB. Free memory was 184.5 MB in the beginning and 170.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 441]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 690 SDtfs, 1473 SDslu, 60 SDs, 0 SdLazy, 3874 SolverSat, 702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 531 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1707occurred in iteration=7, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 2096 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 135 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2024 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1976 NumberOfCodeBlocks, 1976 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1962 ConstructedInterpolants, 0 QuantifiedInterpolants, 6728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1084 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1075/1185 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: 593]: Loop Invariant Derived loop invariant: ((((((a21 == 1 && a17 == 1) && a20 == 1) || (a21 <= 0 && a16 <= 5)) || (a21 <= 0 && a20 == 1)) || ((((a21 == 1 && 15 <= a8) || (5 <= a16 && a21 == 1)) && 14 <= a8) && a17 == 1)) || ((a17 <= 0 && 14 <= a8) && a21 == 1)) || ((a17 <= 0 && a21 == 1) && a16 <= 5) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((a21 == 1 && a17 == 1) && a20 == 1) || (a21 <= 0 && a16 <= 5)) || (a21 <= 0 && a20 == 1)) || ((((a21 == 1 && 15 <= a8) || (5 <= a16 && a21 == 1)) && 14 <= a8) && a17 == 1)) || ((a17 <= 0 && 14 <= a8) && a21 == 1)) || ((a17 <= 0 && a21 == 1) && a16 <= 5) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:15:07,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac290024-dd96-4dd4-b51b-62b0e29124da/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...