./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label00.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_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/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_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/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_a3da7150-43d2-4941-b637-b1c6a03fbe6c/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 6b49fbf439c6d5cf33b5a144a2382feff3c2b3eeb58f6496beb37cacb5d6cd07 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:54:06,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:54:06,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:54:06,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:54:06,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:54:06,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:54:06,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:54:06,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:54:06,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:54:06,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:54:06,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:54:06,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:54:06,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:54:06,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:54:06,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:54:06,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:54:06,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:54:06,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:54:06,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:54:06,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:54:06,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:54:06,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:54:06,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:54:06,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:54:06,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:54:06,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:54:06,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:54:06,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:54:06,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:54:06,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:54:06,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:54:06,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:54:06,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:54:06,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:54:06,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:54:06,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:54:06,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:54:06,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:54:06,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:54:06,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:54:06,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:54:06,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:54:06,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:54:06,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:54:06,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:54:06,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:54:06,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:54:06,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:54:06,725 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:54:06,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:54:06,725 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:54:06,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:54:06,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:54:06,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:54:06,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:54:06,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:54:06,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:54:06,728 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:54:06,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:54:06,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:54:06,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:54:06,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:54:06,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:54:06,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:54:06,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:54:06,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:54:06,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:54:06,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:54:06,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:54:06,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:54:06,731 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:54:06,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:54:06,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:54:06,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:54:06,733 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_a3da7150-43d2-4941-b637-b1c6a03fbe6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b49fbf439c6d5cf33b5a144a2382feff3c2b3eeb58f6496beb37cacb5d6cd07 [2021-10-28 23:54:06,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:54:07,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:54:07,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:54:07,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:54:07,014 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:54:07,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem10_label00.c [2021-10-28 23:54:07,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/data/175538e9c/02cd33cfc5b84e8b8a99d2845e692988/FLAG52d2bfa93 [2021-10-28 23:54:07,665 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:54:07,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/sv-benchmarks/c/eca-rers2012/Problem10_label00.c [2021-10-28 23:54:07,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/data/175538e9c/02cd33cfc5b84e8b8a99d2845e692988/FLAG52d2bfa93 [2021-10-28 23:54:07,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/data/175538e9c/02cd33cfc5b84e8b8a99d2845e692988 [2021-10-28 23:54:07,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:54:07,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:54:07,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:54:07,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:54:07,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:54:07,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:54:07" (1/1) ... [2021-10-28 23:54:07,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180ca7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:07, skipping insertion in model container [2021-10-28 23:54:07,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:54:07" (1/1) ... [2021-10-28 23:54:07,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:54:08,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:54:08,299 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_a3da7150-43d2-4941-b637-b1c6a03fbe6c/sv-benchmarks/c/eca-rers2012/Problem10_label00.c[5445,5458] [2021-10-28 23:54:08,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:54:08,481 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:54:08,530 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_a3da7150-43d2-4941-b637-b1c6a03fbe6c/sv-benchmarks/c/eca-rers2012/Problem10_label00.c[5445,5458] [2021-10-28 23:54:08,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:54:08,628 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:54:08,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08 WrapperNode [2021-10-28 23:54:08,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:54:08,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:54:08,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:54:08,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:54:08,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:54:08,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:54:08,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:54:08,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:54:08,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:54:08,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:54:08,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:54:08,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:54:08,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (1/1) ... [2021-10-28 23:54:08,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:54:08,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:54:08,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:54:08,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:54:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:54:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:54:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:54:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:54:10,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:54:10,335 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:54:10,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:54:10 BoogieIcfgContainer [2021-10-28 23:54:10,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:54:10,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:54:10,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:54:10,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:54:10,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:54:07" (1/3) ... [2021-10-28 23:54:10,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee3fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:54:10, skipping insertion in model container [2021-10-28 23:54:10,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:08" (2/3) ... [2021-10-28 23:54:10,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee3fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:54:10, skipping insertion in model container [2021-10-28 23:54:10,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:54:10" (3/3) ... [2021-10-28 23:54:10,349 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label00.c [2021-10-28 23:54:10,359 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:54:10,359 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:54:10,413 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:54:10,420 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 23:54:10,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:54:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 23:54:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-28 23:54:10,450 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:10,451 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] [2021-10-28 23:54:10,451 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:10,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:10,457 INFO L85 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2021-10-28 23:54:10,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:10,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718071194] [2021-10-28 23:54:10,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:10,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:10,755 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 23:54:10,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:10,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718071194] [2021-10-28 23:54:10,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718071194] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:10,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:10,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:54:10,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647691209] [2021-10-28 23:54:10,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:54:10,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:10,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:54:10,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:54:10,793 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 23:54:11,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:11,705 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-10-28 23:54:11,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:54:11,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-10-28 23:54:11,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:11,725 INFO L225 Difference]: With dead ends: 552 [2021-10-28 23:54:11,725 INFO L226 Difference]: Without dead ends: 282 [2021-10-28 23:54:11,738 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 23:54:11,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-28 23:54:11,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-28 23:54:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 281 states have internal predecessors, (432), 0 states have call successors, (0), 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 23:54:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2021-10-28 23:54:11,834 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 47 [2021-10-28 23:54:11,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:11,835 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2021-10-28 23:54:11,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 23:54:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2021-10-28 23:54:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-10-28 23:54:11,841 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:11,841 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 23:54:11,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:54:11,842 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:11,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:11,843 INFO L85 PathProgramCache]: Analyzing trace with hash -260698007, now seen corresponding path program 1 times [2021-10-28 23:54:11,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:11,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229315103] [2021-10-28 23:54:11,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:11,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:54:12,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:12,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229315103] [2021-10-28 23:54:12,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229315103] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:12,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:12,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:54:12,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418997770] [2021-10-28 23:54:12,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:54:12,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:12,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:54:12,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:54:12,052 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 23:54:12,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:12,630 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2021-10-28 23:54:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:54:12,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2021-10-28 23:54:12,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:12,635 INFO L225 Difference]: With dead ends: 701 [2021-10-28 23:54:12,635 INFO L226 Difference]: Without dead ends: 421 [2021-10-28 23:54:12,636 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 23:54:12,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-28 23:54:12,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-28 23:54:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4428571428571428) internal successors, (606), 420 states have internal predecessors, (606), 0 states have call successors, (0), 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 23:54:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2021-10-28 23:54:12,660 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 116 [2021-10-28 23:54:12,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:12,661 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2021-10-28 23:54:12,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 23:54:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2021-10-28 23:54:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-28 23:54:12,667 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:12,667 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:12,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:54:12,668 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:12,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:12,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1170860008, now seen corresponding path program 1 times [2021-10-28 23:54:12,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:12,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961979396] [2021-10-28 23:54:12,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:12,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:54:12,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:12,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961979396] [2021-10-28 23:54:12,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961979396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:12,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:12,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:54:12,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433991904] [2021-10-28 23:54:12,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:54:12,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:12,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:54:12,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:54:12,869 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:54:13,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:13,487 INFO L93 Difference]: Finished difference Result 1118 states and 1639 transitions. [2021-10-28 23:54:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:54:13,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-28 23:54:13,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:13,493 INFO L225 Difference]: With dead ends: 1118 [2021-10-28 23:54:13,494 INFO L226 Difference]: Without dead ends: 838 [2021-10-28 23:54:13,494 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 23:54:13,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-28 23:54:13,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2021-10-28 23:54:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.330945558739255) internal successors, (929), 698 states have internal predecessors, (929), 0 states have call successors, (0), 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 23:54:13,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 929 transitions. [2021-10-28 23:54:13,526 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 929 transitions. Word has length 122 [2021-10-28 23:54:13,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:13,528 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 929 transitions. [2021-10-28 23:54:13,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:54:13,528 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 929 transitions. [2021-10-28 23:54:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-28 23:54:13,542 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:13,542 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:13,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:54:13,543 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:13,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:13,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1942214390, now seen corresponding path program 1 times [2021-10-28 23:54:13,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:13,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062666501] [2021-10-28 23:54:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:13,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:54:13,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:13,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062666501] [2021-10-28 23:54:13,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062666501] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:13,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:13,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:54:13,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982829315] [2021-10-28 23:54:13,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:54:13,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:13,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:54:13,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:54:13,787 INFO L87 Difference]: Start difference. First operand 699 states and 929 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:54:14,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:14,552 INFO L93 Difference]: Finished difference Result 1129 states and 1544 transitions. [2021-10-28 23:54:14,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:54:14,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2021-10-28 23:54:14,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:14,558 INFO L225 Difference]: With dead ends: 1129 [2021-10-28 23:54:14,560 INFO L226 Difference]: Without dead ends: 571 [2021-10-28 23:54:14,561 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:54:14,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-10-28 23:54:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2021-10-28 23:54:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3416815742397137) internal successors, (750), 559 states have internal predecessors, (750), 0 states have call successors, (0), 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 23:54:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 750 transitions. [2021-10-28 23:54:14,583 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 750 transitions. Word has length 141 [2021-10-28 23:54:14,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:14,585 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 750 transitions. [2021-10-28 23:54:14,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:54:14,585 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 750 transitions. [2021-10-28 23:54:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-10-28 23:54:14,589 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:14,589 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:54:14,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:54:14,590 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:14,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:14,592 INFO L85 PathProgramCache]: Analyzing trace with hash 424013942, now seen corresponding path program 1 times [2021-10-28 23:54:14,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:14,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334833377] [2021-10-28 23:54:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:14,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-28 23:54:14,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:14,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334833377] [2021-10-28 23:54:14,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334833377] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:14,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:14,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:54:14,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391910265] [2021-10-28 23:54:14,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:54:14,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:14,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:54:14,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:54:14,777 INFO L87 Difference]: Start difference. First operand 560 states and 750 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 23:54:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:15,388 INFO L93 Difference]: Finished difference Result 1257 states and 1742 transitions. [2021-10-28 23:54:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:54:15,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 182 [2021-10-28 23:54:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:15,395 INFO L225 Difference]: With dead ends: 1257 [2021-10-28 23:54:15,397 INFO L226 Difference]: Without dead ends: 838 [2021-10-28 23:54:15,398 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 23:54:15,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-28 23:54:15,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-10-28 23:54:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2759856630824373) internal successors, (1068), 837 states have internal predecessors, (1068), 0 states have call successors, (0), 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 23:54:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1068 transitions. [2021-10-28 23:54:15,425 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1068 transitions. Word has length 182 [2021-10-28 23:54:15,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:15,426 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1068 transitions. [2021-10-28 23:54:15,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 23:54:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1068 transitions. [2021-10-28 23:54:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-28 23:54:15,431 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:15,432 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 23:54:15,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:54:15,432 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:15,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:15,433 INFO L85 PathProgramCache]: Analyzing trace with hash -641233015, now seen corresponding path program 1 times [2021-10-28 23:54:15,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:15,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674933245] [2021-10-28 23:54:15,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:15,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:54:15,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:15,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674933245] [2021-10-28 23:54:15,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674933245] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:15,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:15,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:54:15,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346192336] [2021-10-28 23:54:15,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:54:15,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:15,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:54:15,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:54:15,593 INFO L87 Difference]: Start difference. First operand 838 states and 1068 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 23:54:16,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:16,177 INFO L93 Difference]: Finished difference Result 1813 states and 2369 transitions. [2021-10-28 23:54:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:54:16,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2021-10-28 23:54:16,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:16,188 INFO L225 Difference]: With dead ends: 1813 [2021-10-28 23:54:16,188 INFO L226 Difference]: Without dead ends: 1116 [2021-10-28 23:54:16,190 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 23:54:16,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-28 23:54:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-10-28 23:54:16,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2469262295081966) internal successors, (1217), 976 states have internal predecessors, (1217), 0 states have call successors, (0), 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 23:54:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions. [2021-10-28 23:54:16,224 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 199 [2021-10-28 23:54:16,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:16,225 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions. [2021-10-28 23:54:16,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 23:54:16,226 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions. [2021-10-28 23:54:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-28 23:54:16,230 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:16,230 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:16,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:54:16,231 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:16,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:16,232 INFO L85 PathProgramCache]: Analyzing trace with hash 529343296, now seen corresponding path program 1 times [2021-10-28 23:54:16,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:16,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997107993] [2021-10-28 23:54:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:16,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-28 23:54:16,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:16,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997107993] [2021-10-28 23:54:16,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997107993] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:16,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:16,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:54:16,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174490096] [2021-10-28 23:54:16,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:54:16,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:16,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:54:16,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:54:16,423 INFO L87 Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 23:54:17,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:17,042 INFO L93 Difference]: Finished difference Result 1396 states and 1711 transitions. [2021-10-28 23:54:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:54:17,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 221 [2021-10-28 23:54:17,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:17,052 INFO L225 Difference]: With dead ends: 1396 [2021-10-28 23:54:17,052 INFO L226 Difference]: Without dead ends: 1394 [2021-10-28 23:54:17,054 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 23:54:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-10-28 23:54:17,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 977. [2021-10-28 23:54:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2469262295081966) internal successors, (1217), 976 states have internal predecessors, (1217), 0 states have call successors, (0), 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 23:54:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions. [2021-10-28 23:54:17,098 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 221 [2021-10-28 23:54:17,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:17,098 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions. [2021-10-28 23:54:17,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 23:54:17,099 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions. [2021-10-28 23:54:17,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-10-28 23:54:17,105 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:17,106 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:54:17,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:54:17,106 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:17,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:17,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1146314071, now seen corresponding path program 1 times [2021-10-28 23:54:17,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:17,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200137673] [2021-10-28 23:54:17,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:17,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 89 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:54:17,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:17,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200137673] [2021-10-28 23:54:17,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200137673] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:54:17,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209652780] [2021-10-28 23:54:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:17,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:54:17,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:54:17,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:54:17,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:54:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:17,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:54:17,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:54:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-28 23:54:18,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209652780] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:18,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:54:18,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-28 23:54:18,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491755874] [2021-10-28 23:54:18,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:54:18,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:18,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:54:18,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:54:18,600 INFO L87 Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:54:19,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:19,108 INFO L93 Difference]: Finished difference Result 2091 states and 2667 transitions. [2021-10-28 23:54:19,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:54:19,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 292 [2021-10-28 23:54:19,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:19,117 INFO L225 Difference]: With dead ends: 2091 [2021-10-28 23:54:19,117 INFO L226 Difference]: Without dead ends: 1255 [2021-10-28 23:54:19,118 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:54:19,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-10-28 23:54:19,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2021-10-28 23:54:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2385650224215246) internal successors, (1381), 1115 states have internal predecessors, (1381), 0 states have call successors, (0), 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 23:54:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1381 transitions. [2021-10-28 23:54:19,175 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1381 transitions. Word has length 292 [2021-10-28 23:54:19,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:19,175 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1381 transitions. [2021-10-28 23:54:19,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:54:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1381 transitions. [2021-10-28 23:54:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-10-28 23:54:19,182 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:19,182 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:54:19,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-28 23:54:19,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:54:19,399 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:19,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:19,400 INFO L85 PathProgramCache]: Analyzing trace with hash -147873201, now seen corresponding path program 1 times [2021-10-28 23:54:19,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:19,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738785837] [2021-10-28 23:54:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:19,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-28 23:54:19,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:19,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738785837] [2021-10-28 23:54:19,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738785837] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:19,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:19,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:54:19,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931958591] [2021-10-28 23:54:19,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:54:19,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:19,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:54:19,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:54:19,612 INFO L87 Difference]: Start difference. First operand 1116 states and 1381 transitions. Second operand has 7 states, 7 states have (on average 36.57142857142857) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 23:54:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:20,328 INFO L93 Difference]: Finished difference Result 2146 states and 2671 transitions. [2021-10-28 23:54:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:54:20,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.57142857142857) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 312 [2021-10-28 23:54:20,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:20,335 INFO L225 Difference]: With dead ends: 2146 [2021-10-28 23:54:20,336 INFO L226 Difference]: Without dead ends: 1116 [2021-10-28 23:54:20,338 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:54:20,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-28 23:54:20,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-10-28 23:54:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2349775784753363) internal successors, (1377), 1115 states have internal predecessors, (1377), 0 states have call successors, (0), 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 23:54:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1377 transitions. [2021-10-28 23:54:20,369 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1377 transitions. Word has length 312 [2021-10-28 23:54:20,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:20,370 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1377 transitions. [2021-10-28 23:54:20,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.57142857142857) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 23:54:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1377 transitions. [2021-10-28 23:54:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-10-28 23:54:20,377 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:20,378 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:54:20,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:54:20,378 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:20,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1970068201, now seen corresponding path program 1 times [2021-10-28 23:54:20,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:20,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65675824] [2021-10-28 23:54:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:20,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-28 23:54:20,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:20,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65675824] [2021-10-28 23:54:20,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65675824] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:20,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:20,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:54:20,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245773519] [2021-10-28 23:54:20,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:54:20,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:20,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:54:20,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:54:20,540 INFO L87 Difference]: Start difference. First operand 1116 states and 1377 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 23:54:21,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:21,087 INFO L93 Difference]: Finished difference Result 2786 states and 3438 transitions. [2021-10-28 23:54:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:54:21,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 348 [2021-10-28 23:54:21,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:21,098 INFO L225 Difference]: With dead ends: 2786 [2021-10-28 23:54:21,099 INFO L226 Difference]: Without dead ends: 1811 [2021-10-28 23:54:21,100 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 23:54:21,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2021-10-28 23:54:21,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2021-10-28 23:54:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 1.1861878453038674) internal successors, (2147), 1810 states have internal predecessors, (2147), 0 states have call successors, (0), 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 23:54:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2147 transitions. [2021-10-28 23:54:21,151 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2147 transitions. Word has length 348 [2021-10-28 23:54:21,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:21,152 INFO L470 AbstractCegarLoop]: Abstraction has 1811 states and 2147 transitions. [2021-10-28 23:54:21,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 23:54:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2147 transitions. [2021-10-28 23:54:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-10-28 23:54:21,162 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:54:21,162 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:54:21,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:54:21,163 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:54:21,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:21,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1812872635, now seen corresponding path program 1 times [2021-10-28 23:54:21,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:21,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553754593] [2021-10-28 23:54:21,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:21,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:54:21,430 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-10-28 23:54:21,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:54:21,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553754593] [2021-10-28 23:54:21,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553754593] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:54:21,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:54:21,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:54:21,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384696439] [2021-10-28 23:54:21,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:54:21,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:54:21,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:54:21,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:54:21,433 INFO L87 Difference]: Start difference. First operand 1811 states and 2147 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:54:21,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:54:21,981 INFO L93 Difference]: Finished difference Result 3346 states and 3965 transitions. [2021-10-28 23:54:21,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:54:21,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 361 [2021-10-28 23:54:21,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:54:21,983 INFO L225 Difference]: With dead ends: 3346 [2021-10-28 23:54:21,984 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:54:21,988 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 23:54:21,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:54:21,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:54:21,989 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 23:54:21,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:54:21,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 361 [2021-10-28 23:54:21,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:54:21,989 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:54:21,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:54:21,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:54:21,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:54:21,993 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:54:21,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:54:21,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:54:22,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:54:22,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:54:22,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:54:22,321 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-28 23:54:22,321 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-28 23:54:22,321 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-28 23:54:22,321 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,322 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-28 23:54:22,323 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,324 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-28 23:54:22,325 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-28 23:54:22,326 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-28 23:54:22,327 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 23:54:22,327 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 23:54:22,327 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 23:54:22,327 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 23:54:22,327 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 23:54:22,327 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 23:54:22,327 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-28 23:54:22,332 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-28 23:54:22,332 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-28 23:54:22,332 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-28 23:54:22,332 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,333 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,333 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,333 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,333 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,333 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,334 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-28 23:54:22,334 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-28 23:54:22,334 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 23:54:22,334 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 23:54:22,334 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 23:54:22,334 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 23:54:22,335 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 23:54:22,335 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 23:54:22,337 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-28 23:54:22,337 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-28 23:54:22,338 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-28 23:54:22,338 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,338 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,338 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,338 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,338 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,338 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-28 23:54:22,339 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-28 23:54:22,339 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-28 23:54:22,339 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-28 23:54:22,339 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 23:54:22,339 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 23:54:22,339 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 23:54:22,340 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 23:54:22,340 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 23:54:22,340 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-28 23:54:22,340 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-28 23:54:22,340 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-28 23:54:22,340 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-28 23:54:22,341 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-28 23:54:22,341 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,341 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,341 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,341 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,341 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,342 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-28 23:54:22,342 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:54:22,343 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 23:54:22,343 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 23:54:22,343 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 23:54:22,343 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 23:54:22,344 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 23:54:22,344 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 .cse1 (<= 3 ~a10~0)) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (= ~a10~0 0) .cse0 (<= (+ ~a1~0 551894) 0) .cse1 (= ~a19~0 6)))) [2021-10-28 23:54:22,344 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-28 23:54:22,344 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-28 23:54:22,345 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-28 23:54:22,345 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-28 23:54:22,345 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,345 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,345 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,345 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,346 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,346 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-28 23:54:22,346 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-28 23:54:22,346 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-28 23:54:22,346 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 23:54:22,347 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 23:54:22,347 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 23:54:22,347 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 23:54:22,348 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 23:54:22,348 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-28 23:54:22,348 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-28 23:54:22,348 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-28 23:54:22,348 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-28 23:54:22,348 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-28 23:54:22,349 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-28 23:54:22,349 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:54:22,349 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,349 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,349 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,349 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,350 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,350 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 23:54:22,350 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 23:54:22,350 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 23:54:22,350 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 23:54:22,350 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 23:54:22,351 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-28 23:54:22,351 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-28 23:54:22,351 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-28 23:54:22,351 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-28 23:54:22,351 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,351 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,352 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,352 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,353 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:54:22,353 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,353 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-28 23:54:22,353 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-28 23:54:22,353 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-28 23:54:22,354 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-28 23:54:22,354 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 23:54:22,354 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 23:54:22,354 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 23:54:22,354 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 23:54:22,354 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 23:54:22,354 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-28 23:54:22,355 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-28 23:54:22,355 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-28 23:54:22,356 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 .cse1 (<= 3 ~a10~0)) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (= ~a10~0 0) .cse0 (<= (+ ~a1~0 551894) 0) .cse1 (= ~a19~0 6)))) [2021-10-28 23:54:22,357 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-28 23:54:22,357 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,357 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,357 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,357 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,358 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-28 23:54:22,358 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,358 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,358 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-28 23:54:22,358 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-28 23:54:22,358 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-28 23:54:22,359 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 23:54:22,359 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 23:54:22,359 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 23:54:22,359 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 23:54:22,359 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 23:54:22,359 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-28 23:54:22,359 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:54:22,360 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2021-10-28 23:54:22,360 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-28 23:54:22,360 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-28 23:54:22,360 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-28 23:54:22,360 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-28 23:54:22,360 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,361 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,361 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,361 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,361 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,361 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 23:54:22,361 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-28 23:54:22,362 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-28 23:54:22,362 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-28 23:54:22,362 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 23:54:22,362 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 23:54:22,362 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 23:54:22,362 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 23:54:22,362 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 23:54:22,363 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 23:54:22,366 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:54:22,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:54:22,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:54:22 BoogieIcfgContainer [2021-10-28 23:54:22,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:54:22,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:54:22,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:54:22,422 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:54:22,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:54:10" (3/4) ... [2021-10-28 23:54:22,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:54:22,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:54:22,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:54:22,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:54:22,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:54:22,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:54:22,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:54:22,630 INFO L168 Benchmark]: Toolchain (without parser) took 14705.20 ms. Allocated memory was 100.7 MB in the beginning and 205.5 MB in the end (delta: 104.9 MB). Free memory was 56.1 MB in the beginning and 81.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 78.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:54:22,630 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 74.1 MB in the end (delta: 59.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:54:22,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.10 ms. Allocated memory is still 100.7 MB. Free memory was 55.9 MB in the beginning and 58.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:54:22,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.26 ms. Allocated memory is still 100.7 MB. Free memory was 58.7 MB in the beginning and 50.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:54:22,632 INFO L168 Benchmark]: Boogie Preprocessor took 127.58 ms. Allocated memory is still 100.7 MB. Free memory was 50.7 MB in the beginning and 45.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:54:22,632 INFO L168 Benchmark]: RCFGBuilder took 1467.96 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 45.8 MB in the beginning and 89.2 MB in the end (delta: -43.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:54:22,633 INFO L168 Benchmark]: TraceAbstraction took 12080.84 ms. Allocated memory was 125.8 MB in the beginning and 205.5 MB in the end (delta: 79.7 MB). Free memory was 88.3 MB in the beginning and 95.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 71.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:54:22,633 INFO L168 Benchmark]: Witness Printer took 206.93 ms. Allocated memory is still 205.5 MB. Free memory was 95.8 MB in the beginning and 81.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:54:22,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 74.1 MB in the end (delta: 59.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 704.10 ms. Allocated memory is still 100.7 MB. Free memory was 55.9 MB in the beginning and 58.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.26 ms. Allocated memory is still 100.7 MB. Free memory was 58.7 MB in the beginning and 50.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 127.58 ms. Allocated memory is still 100.7 MB. Free memory was 50.7 MB in the beginning and 45.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1467.96 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 45.8 MB in the beginning and 89.2 MB in the end (delta: -43.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12080.84 ms. Allocated memory was 125.8 MB in the beginning and 205.5 MB in the end (delta: 79.7 MB). Free memory was 88.3 MB in the beginning and 95.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 71.0 MB. Max. memory is 16.1 GB. * Witness Printer took 206.93 ms. Allocated memory is still 205.5 MB. Free memory was 95.8 MB in the beginning and 81.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 155]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1096 SDtfs, 1133 SDslu, 73 SDs, 0 SdLazy, 4835 SolverSat, 667 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=10, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 845 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1126 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 146 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2633 NumberOfCodeBlocks, 2633 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2621 ConstructedInterpolants, 0 QuantifiedInterpolants, 12786 SizeOfPredicates, 0 NumberOfNonLiveVariables, 409 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 2013/2127 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: 592]: Loop Invariant Derived loop invariant: (((((8 <= a19 && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && 3 <= a10)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || ((((a10 == 0 && 14 == a4) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((8 <= a19 && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && 3 <= a10)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || ((((a10 == 0 && 14 == a4) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:54:22,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7150-43d2-4941-b637-b1c6a03fbe6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...