./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:44,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:44,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:44,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:44,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:44,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:44,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:44,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:44,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:44,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:44,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:44,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:44,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:44,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:44,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:44,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:44,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:44,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:44,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:44,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:44,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:44,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:44,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:44,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:44,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:44,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:44,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:44,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:44,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:44,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:44,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:44,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:44,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:44,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:44,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:44,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:44,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:44,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:44,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:44,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:44,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:44,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-12 23:59:44,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:44,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:44,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:44,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:44,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:44,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:44,729 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:44,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:44,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:44,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:44,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:44,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:44,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-12 23:59:44,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-12 23:59:44,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-12 23:59:44,732 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:44,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:44,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:44,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-12 23:59:44,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:44,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:44,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-12 23:59:44,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:44,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:44,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-12 23:59:44,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-12 23:59:44,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:44,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-12 23:59:44,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-12 23:59:44,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:44,737 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_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 [2021-10-12 23:59:45,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:45,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:45,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:45,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:45,050 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:45,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-10-12 23:59:45,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/data/238e22c56/daf6d6c53ad149a8ad549e30ef417115/FLAG7465e5a6c [2021-10-12 23:59:45,732 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:45,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-10-12 23:59:45,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/data/238e22c56/daf6d6c53ad149a8ad549e30ef417115/FLAG7465e5a6c [2021-10-12 23:59:46,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/data/238e22c56/daf6d6c53ad149a8ad549e30ef417115 [2021-10-12 23:59:46,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:46,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:46,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:46,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:46,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:46,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59174474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46, skipping insertion in model container [2021-10-12 23:59:46,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:46,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:46,405 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_9f4f7997-34ba-420a-9845-adee252438e6/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[18716,18729] [2021-10-12 23:59:46,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:46,428 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:46,561 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_9f4f7997-34ba-420a-9845-adee252438e6/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[18716,18729] [2021-10-12 23:59:46,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:46,589 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:46,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46 WrapperNode [2021-10-12 23:59:46,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:46,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:46,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:46,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:46,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:46,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:46,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:46,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:46,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:46,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:46,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:46,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:46,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (1/1) ... [2021-10-12 23:59:46,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:46,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:46,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:46,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-12 23:59:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:47,714 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:47,715 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-12 23:59:47,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:47 BoogieIcfgContainer [2021-10-12 23:59:47,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:47,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-12 23:59:47,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-12 23:59:47,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-12 23:59:47,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:59:46" (1/3) ... [2021-10-12 23:59:47,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e7b733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:47, skipping insertion in model container [2021-10-12 23:59:47,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:46" (2/3) ... [2021-10-12 23:59:47,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e7b733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:47, skipping insertion in model container [2021-10-12 23:59:47,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:47" (3/3) ... [2021-10-12 23:59:47,726 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2021-10-12 23:59:47,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-12 23:59:47,732 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-12 23:59:47,780 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-12 23:59:47,787 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-12 23:59:47,787 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-12 23:59:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-12 23:59:47,812 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:47,813 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:47,814 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:47,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:47,819 INFO L82 PathProgramCache]: Analyzing trace with hash -859371484, now seen corresponding path program 1 times [2021-10-12 23:59:47,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:47,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068176194] [2021-10-12 23:59:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:47,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:48,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:48,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068176194] [2021-10-12 23:59:48,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068176194] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:48,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:48,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:48,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309210577] [2021-10-12 23:59:48,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-12 23:59:48,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:48,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-12 23:59:48,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:48,116 INFO L87 Difference]: Start difference. First operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:48,158 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2021-10-12 23:59:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-12 23:59:48,160 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-10-12 23:59:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:48,171 INFO L225 Difference]: With dead ends: 271 [2021-10-12 23:59:48,171 INFO L226 Difference]: Without dead ends: 135 [2021-10-12 23:59:48,174 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:48,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-10-12 23:59:48,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-10-12 23:59:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.4848484848484849) internal successors, (196), 134 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2021-10-12 23:59:48,269 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2021-10-12 23:59:48,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:48,270 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2021-10-12 23:59:48,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2021-10-12 23:59:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-12 23:59:48,273 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:48,273 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:48,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-12 23:59:48,274 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:48,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:48,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1078207453, now seen corresponding path program 1 times [2021-10-12 23:59:48,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:48,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004683067] [2021-10-12 23:59:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:48,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:48,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:48,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004683067] [2021-10-12 23:59:48,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004683067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:48,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:48,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-12 23:59:48,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27848519] [2021-10-12 23:59:48,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:48,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:48,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:48,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:48,411 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:48,429 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2021-10-12 23:59:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:48,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-10-12 23:59:48,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:48,434 INFO L225 Difference]: With dead ends: 135 [2021-10-12 23:59:48,434 INFO L226 Difference]: Without dead ends: 55 [2021-10-12 23:59:48,435 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:48,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-12 23:59:48,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-12 23:59:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-12 23:59:48,440 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-12 23:59:48,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:48,441 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-12 23:59:48,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-12 23:59:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-12 23:59:48,442 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:48,442 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:48,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-12 23:59:48,443 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:48,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:48,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2021-10-12 23:59:48,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:48,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071002430] [2021-10-12 23:59:48,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:48,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:48,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:48,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071002430] [2021-10-12 23:59:48,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071002430] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:48,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:48,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:48,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250266503] [2021-10-12 23:59:48,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-12 23:59:48,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:48,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-12 23:59:48,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:48,624 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:48,785 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-10-12 23:59:48,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-12 23:59:48,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2021-10-12 23:59:48,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:48,787 INFO L225 Difference]: With dead ends: 103 [2021-10-12 23:59:48,787 INFO L226 Difference]: Without dead ends: 55 [2021-10-12 23:59:48,788 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-12 23:59:48,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-12 23:59:48,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-12 23:59:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-10-12 23:59:48,794 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-10-12 23:59:48,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:48,795 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-10-12 23:59:48,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-10-12 23:59:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-12 23:59:48,796 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:48,797 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:48,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-12 23:59:48,797 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:48,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:48,798 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2021-10-12 23:59:48,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:48,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113201263] [2021-10-12 23:59:48,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:48,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:48,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:48,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113201263] [2021-10-12 23:59:48,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113201263] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:48,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:48,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:48,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158854038] [2021-10-12 23:59:48,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:48,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:48,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:48,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:48,855 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:48,879 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2021-10-12 23:59:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:48,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2021-10-12 23:59:48,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:48,881 INFO L225 Difference]: With dead ends: 125 [2021-10-12 23:59:48,882 INFO L226 Difference]: Without dead ends: 77 [2021-10-12 23:59:48,882 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:48,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-12 23:59:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2021-10-12 23:59:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-12 23:59:48,891 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2021-10-12 23:59:48,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:48,891 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-12 23:59:48,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-12 23:59:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-12 23:59:48,893 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:48,893 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:48,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-12 23:59:48,894 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:48,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:48,894 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2021-10-12 23:59:48,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:48,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508195286] [2021-10-12 23:59:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:48,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:48,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:48,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:48,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508195286] [2021-10-12 23:59:48,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508195286] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:48,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:48,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:48,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314253775] [2021-10-12 23:59:48,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:48,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:48,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:48,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:48,965 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:48,995 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2021-10-12 23:59:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:48,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2021-10-12 23:59:48,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:48,999 INFO L225 Difference]: With dead ends: 194 [2021-10-12 23:59:48,999 INFO L226 Difference]: Without dead ends: 126 [2021-10-12 23:59:49,001 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:49,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-12 23:59:49,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2021-10-12 23:59:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.4227642276422765) internal successors, (175), 123 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-10-12 23:59:49,028 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2021-10-12 23:59:49,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:49,029 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-10-12 23:59:49,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,029 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-10-12 23:59:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-12 23:59:49,035 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:49,036 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:49,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-12 23:59:49,037 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:49,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:49,038 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2021-10-12 23:59:49,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:49,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000970805] [2021-10-12 23:59:49,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:49,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:49,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:49,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000970805] [2021-10-12 23:59:49,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000970805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:49,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:49,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:49,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338074201] [2021-10-12 23:59:49,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:49,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:49,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:49,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:49,163 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:49,296 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2021-10-12 23:59:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-12 23:59:49,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2021-10-12 23:59:49,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:49,300 INFO L225 Difference]: With dead ends: 622 [2021-10-12 23:59:49,300 INFO L226 Difference]: Without dead ends: 505 [2021-10-12 23:59:49,309 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-12 23:59:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-10-12 23:59:49,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2021-10-12 23:59:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.3893805309734513) internal successors, (314), 226 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2021-10-12 23:59:49,358 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2021-10-12 23:59:49,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:49,359 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2021-10-12 23:59:49,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,360 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2021-10-12 23:59:49,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-12 23:59:49,365 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:49,365 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:49,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-12 23:59:49,366 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:49,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:49,366 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2021-10-12 23:59:49,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:49,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628629743] [2021-10-12 23:59:49,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:49,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:49,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:49,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628629743] [2021-10-12 23:59:49,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628629743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:49,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:49,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:49,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283771980] [2021-10-12 23:59:49,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:49,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:49,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:49,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:49,448 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:49,600 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2021-10-12 23:59:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-12 23:59:49,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2021-10-12 23:59:49,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:49,607 INFO L225 Difference]: With dead ends: 865 [2021-10-12 23:59:49,607 INFO L226 Difference]: Without dead ends: 645 [2021-10-12 23:59:49,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 29.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-12 23:59:49,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2021-10-12 23:59:49,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2021-10-12 23:59:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.375) internal successors, (308), 224 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2021-10-12 23:59:49,640 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2021-10-12 23:59:49,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:49,642 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2021-10-12 23:59:49,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2021-10-12 23:59:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-12 23:59:49,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:49,643 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:49,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-12 23:59:49,644 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:49,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:49,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2021-10-12 23:59:49,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:49,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277677338] [2021-10-12 23:59:49,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:49,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:49,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:49,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277677338] [2021-10-12 23:59:49,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277677338] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:49,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:49,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:49,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144978892] [2021-10-12 23:59:49,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:49,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:49,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:49,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:49,746 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:49,828 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2021-10-12 23:59:49,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-12 23:59:49,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-10-12 23:59:49,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:49,831 INFO L225 Difference]: With dead ends: 609 [2021-10-12 23:59:49,831 INFO L226 Difference]: Without dead ends: 391 [2021-10-12 23:59:49,832 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:49,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-10-12 23:59:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2021-10-12 23:59:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 242 states have (on average 1.3471074380165289) internal successors, (326), 242 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2021-10-12 23:59:49,858 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2021-10-12 23:59:49,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:49,859 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2021-10-12 23:59:49,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2021-10-12 23:59:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-12 23:59:49,860 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:49,861 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:49,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-12 23:59:49,861 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:49,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:49,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2021-10-12 23:59:49,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:49,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210961413] [2021-10-12 23:59:49,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:49,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:49,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:49,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210961413] [2021-10-12 23:59:49,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210961413] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:49,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:49,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:49,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811454075] [2021-10-12 23:59:49,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-12 23:59:49,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:49,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-12 23:59:49,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:49,927 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:50,001 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2021-10-12 23:59:50,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-12 23:59:50,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-10-12 23:59:50,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:50,006 INFO L225 Difference]: With dead ends: 512 [2021-10-12 23:59:50,006 INFO L226 Difference]: Without dead ends: 276 [2021-10-12 23:59:50,007 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:50,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-10-12 23:59:50,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2021-10-12 23:59:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3152709359605912) internal successors, (267), 203 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2021-10-12 23:59:50,030 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2021-10-12 23:59:50,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:50,031 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2021-10-12 23:59:50,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2021-10-12 23:59:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-12 23:59:50,032 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:50,032 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:50,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-12 23:59:50,033 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:50,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:50,033 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2021-10-12 23:59:50,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:50,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093105709] [2021-10-12 23:59:50,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:50,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:50,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:50,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093105709] [2021-10-12 23:59:50,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093105709] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:50,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:50,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-12 23:59:50,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106776697] [2021-10-12 23:59:50,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-12 23:59:50,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:50,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-12 23:59:50,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:50,122 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:50,335 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2021-10-12 23:59:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-12 23:59:50,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2021-10-12 23:59:50,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:50,338 INFO L225 Difference]: With dead ends: 615 [2021-10-12 23:59:50,338 INFO L226 Difference]: Without dead ends: 418 [2021-10-12 23:59:50,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 63.5ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-12 23:59:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-10-12 23:59:50,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2021-10-12 23:59:50,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.29064039408867) internal successors, (262), 203 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2021-10-12 23:59:50,364 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2021-10-12 23:59:50,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:50,364 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2021-10-12 23:59:50,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2021-10-12 23:59:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-12 23:59:50,366 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:50,366 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:50,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-12 23:59:50,367 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:50,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:50,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1177012586, now seen corresponding path program 1 times [2021-10-12 23:59:50,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:50,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427098322] [2021-10-12 23:59:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:50,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-12 23:59:50,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:50,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427098322] [2021-10-12 23:59:50,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427098322] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:50,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:50,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-12 23:59:50,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44440066] [2021-10-12 23:59:50,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-12 23:59:50,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:50,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-12 23:59:50,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:50,480 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:50,586 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2021-10-12 23:59:50,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-12 23:59:50,586 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 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 58 [2021-10-12 23:59:50,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:50,590 INFO L225 Difference]: With dead ends: 516 [2021-10-12 23:59:50,590 INFO L226 Difference]: Without dead ends: 369 [2021-10-12 23:59:50,591 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 53.9ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-12 23:59:50,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-10-12 23:59:50,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2021-10-12 23:59:50,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 209 states have (on average 1.2822966507177034) internal successors, (268), 209 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2021-10-12 23:59:50,619 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2021-10-12 23:59:50,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:50,621 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2021-10-12 23:59:50,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2021-10-12 23:59:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-12 23:59:50,622 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:50,622 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:50,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-12 23:59:50,623 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:50,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:50,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1435178024, now seen corresponding path program 1 times [2021-10-12 23:59:50,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:50,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686465225] [2021-10-12 23:59:50,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:50,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:50,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:50,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686465225] [2021-10-12 23:59:50,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686465225] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:50,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:50,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-12 23:59:50,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12321115] [2021-10-12 23:59:50,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:50,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:50,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:50,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:50,705 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:50,754 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2021-10-12 23:59:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:50,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2021-10-12 23:59:50,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:50,756 INFO L225 Difference]: With dead ends: 331 [2021-10-12 23:59:50,757 INFO L226 Difference]: Without dead ends: 329 [2021-10-12 23:59:50,757 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:50,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-10-12 23:59:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2021-10-12 23:59:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.3063829787234043) internal successors, (307), 235 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2021-10-12 23:59:50,784 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2021-10-12 23:59:50,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:50,784 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2021-10-12 23:59:50,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2021-10-12 23:59:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-12 23:59:50,785 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:50,786 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:50,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-12 23:59:50,786 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:50,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:50,787 INFO L82 PathProgramCache]: Analyzing trace with hash 200937625, now seen corresponding path program 1 times [2021-10-12 23:59:50,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:50,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986900403] [2021-10-12 23:59:50,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:50,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-12 23:59:50,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:50,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986900403] [2021-10-12 23:59:50,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986900403] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:50,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:50,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:50,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811664068] [2021-10-12 23:59:50,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:50,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:50,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:50,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:50,949 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:51,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:51,227 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2021-10-12 23:59:51,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-12 23:59:51,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 82 [2021-10-12 23:59:51,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:51,230 INFO L225 Difference]: With dead ends: 589 [2021-10-12 23:59:51,230 INFO L226 Difference]: Without dead ends: 410 [2021-10-12 23:59:51,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.8ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:51,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-10-12 23:59:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2021-10-12 23:59:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 268 states have (on average 1.3059701492537314) internal successors, (350), 268 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:51,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2021-10-12 23:59:51,265 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2021-10-12 23:59:51,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:51,266 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2021-10-12 23:59:51,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2021-10-12 23:59:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-12 23:59:51,267 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:51,267 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:51,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-12 23:59:51,268 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:51,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:51,268 INFO L82 PathProgramCache]: Analyzing trace with hash -820130729, now seen corresponding path program 1 times [2021-10-12 23:59:51,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:51,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824777608] [2021-10-12 23:59:51,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:51,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:51,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:51,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824777608] [2021-10-12 23:59:51,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824777608] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-12 23:59:51,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327892804] [2021-10-12 23:59:51,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:51,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-12 23:59:51,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:51,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-12 23:59:51,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-12 23:59:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:51,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-12 23:59:51,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:51,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327892804] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-12 23:59:51,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-12 23:59:51,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-12 23:59:51,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747562297] [2021-10-12 23:59:51,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-12 23:59:51,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:51,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-12 23:59:51,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:51,947 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:52,125 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2021-10-12 23:59:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-12 23:59:52,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2021-10-12 23:59:52,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:52,127 INFO L225 Difference]: With dead ends: 559 [2021-10-12 23:59:52,127 INFO L226 Difference]: Without dead ends: 294 [2021-10-12 23:59:52,128 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:52,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-12 23:59:52,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2021-10-12 23:59:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.2527472527472527) internal successors, (342), 273 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2021-10-12 23:59:52,164 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2021-10-12 23:59:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:52,164 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2021-10-12 23:59:52,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2021-10-12 23:59:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-12 23:59:52,171 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:52,172 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:52,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:52,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-12 23:59:52,399 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:52,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:52,400 INFO L82 PathProgramCache]: Analyzing trace with hash 364797879, now seen corresponding path program 2 times [2021-10-12 23:59:52,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:52,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327510382] [2021-10-12 23:59:52,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:52,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-12 23:59:52,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:52,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327510382] [2021-10-12 23:59:52,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327510382] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:52,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:52,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-12 23:59:52,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144223570] [2021-10-12 23:59:52,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-12 23:59:52,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:52,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-12 23:59:52,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:52,514 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:52,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:52,912 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2021-10-12 23:59:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-12 23:59:52,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 83 [2021-10-12 23:59:52,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:52,913 INFO L225 Difference]: With dead ends: 608 [2021-10-12 23:59:52,913 INFO L226 Difference]: Without dead ends: 0 [2021-10-12 23:59:52,916 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 50.2ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-12 23:59:52,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-12 23:59:52,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-12 23:59:52,916 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) [2021-10-12 23:59:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-12 23:59:52,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-12 23:59:52,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:52,917 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:52,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:52,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-12 23:59:52,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-12 23:59:52,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:52,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:52,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:52,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-12 23:59:52,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-12 23:59:52,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:52,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:52,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:52,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:52,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:52,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:53,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:54,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,522 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2021-10-12 23:59:59,522 INFO L853 garLoopResultBuilder]: At program point L300(lines 295 302) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-12 23:59:59,522 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 417) no Hoare annotation was computed. [2021-10-12 23:59:59,522 INFO L857 garLoopResultBuilder]: For program point L400-1(lines 400 417) no Hoare annotation was computed. [2021-10-12 23:59:59,522 INFO L857 garLoopResultBuilder]: For program point L400-2(lines 400 417) no Hoare annotation was computed. [2021-10-12 23:59:59,523 INFO L853 garLoopResultBuilder]: At program point L203-2(lines 203 217) the Hoare annotation is: false [2021-10-12 23:59:59,523 INFO L857 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2021-10-12 23:59:59,523 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 177) no Hoare annotation was computed. [2021-10-12 23:59:59,523 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2021-10-12 23:59:59,523 INFO L857 garLoopResultBuilder]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2021-10-12 23:59:59,523 INFO L857 garLoopResultBuilder]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 110) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 443) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 412) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L437-2(lines 437 443) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L404-1(lines 404 412) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L404-2(lines 404 412) no Hoare annotation was computed. [2021-10-12 23:59:59,524 INFO L857 garLoopResultBuilder]: For program point L437-4(lines 437 443) no Hoare annotation was computed. [2021-10-12 23:59:59,525 INFO L857 garLoopResultBuilder]: For program point L437-6(lines 437 443) no Hoare annotation was computed. [2021-10-12 23:59:59,525 INFO L857 garLoopResultBuilder]: For program point L437-8(lines 437 443) no Hoare annotation was computed. [2021-10-12 23:59:59,525 INFO L857 garLoopResultBuilder]: For program point L437-10(lines 437 443) no Hoare annotation was computed. [2021-10-12 23:59:59,525 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2021-10-12 23:59:59,525 INFO L853 garLoopResultBuilder]: At program point L570-1(lines 570 576) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 (= ~methaneLevelCritical~0 1) .cse6 .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 (<= 2 ~waterLevel~0) .cse5 (= |ULTIMATE.start_valid_product_#res| 1) .cse7))) [2021-10-12 23:59:59,526 INFO L853 garLoopResultBuilder]: At program point L471(lines 466 474) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) [2021-10-12 23:59:59,526 INFO L853 garLoopResultBuilder]: At program point L471-1(lines 466 474) the Hoare annotation is: false [2021-10-12 23:59:59,526 INFO L853 garLoopResultBuilder]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2021-10-12 23:59:59,526 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 211) no Hoare annotation was computed. [2021-10-12 23:59:59,526 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 342 348) no Hoare annotation was computed. [2021-10-12 23:59:59,527 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-12 23:59:59,527 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2021-10-12 23:59:59,527 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2021-10-12 23:59:59,527 INFO L857 garLoopResultBuilder]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2021-10-12 23:59:59,527 INFO L857 garLoopResultBuilder]: For program point L539-3(lines 539 543) no Hoare annotation was computed. [2021-10-12 23:59:59,527 INFO L857 garLoopResultBuilder]: For program point L374(lines 374 391) no Hoare annotation was computed. [2021-10-12 23:59:59,528 INFO L857 garLoopResultBuilder]: For program point L539-5(lines 539 543) no Hoare annotation was computed. [2021-10-12 23:59:59,528 INFO L857 garLoopResultBuilder]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2021-10-12 23:59:59,528 INFO L857 garLoopResultBuilder]: For program point L539-6(lines 539 543) no Hoare annotation was computed. [2021-10-12 23:59:59,528 INFO L857 garLoopResultBuilder]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2021-10-12 23:59:59,528 INFO L857 garLoopResultBuilder]: For program point L374-3(lines 374 391) no Hoare annotation was computed. [2021-10-12 23:59:59,528 INFO L857 garLoopResultBuilder]: For program point L539-8(lines 539 543) no Hoare annotation was computed. [2021-10-12 23:59:59,529 INFO L857 garLoopResultBuilder]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2021-10-12 23:59:59,529 INFO L857 garLoopResultBuilder]: For program point L374-5(lines 374 391) no Hoare annotation was computed. [2021-10-12 23:59:59,529 INFO L853 garLoopResultBuilder]: At program point L176(lines 167 180) the Hoare annotation is: false [2021-10-12 23:59:59,529 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 167 180) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse5 (<= 1 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse6 .cse7))) [2021-10-12 23:59:59,529 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2021-10-12 23:59:59,529 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 167 180) the Hoare annotation is: false [2021-10-12 23:59:59,530 INFO L853 garLoopResultBuilder]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2021-10-12 23:59:59,530 INFO L853 garLoopResultBuilder]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2021-10-12 23:59:59,530 INFO L853 garLoopResultBuilder]: At program point L606(lines 559 607) the Hoare annotation is: false [2021-10-12 23:59:59,530 INFO L853 garLoopResultBuilder]: At program point L342(lines 341 360) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse5 .cse2 .cse3 .cse4))) [2021-10-12 23:59:59,530 INFO L857 garLoopResultBuilder]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2021-10-12 23:59:59,531 INFO L853 garLoopResultBuilder]: At program point L342-2(lines 341 360) the Hoare annotation is: false [2021-10-12 23:59:59,531 INFO L853 garLoopResultBuilder]: At program point L342-3(lines 341 360) the Hoare annotation is: false [2021-10-12 23:59:59,531 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 328) no Hoare annotation was computed. [2021-10-12 23:59:59,531 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 285) no Hoare annotation was computed. [2021-10-12 23:59:59,531 INFO L853 garLoopResultBuilder]: At program point L311-1(lines 1 988) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 .cse3 (= ~methaneLevelCritical~0 1) (<= 1 ~waterLevel~0) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse6 (= ~waterLevel~0 1) .cse4) (and .cse0 .cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse5 (<= 2 ~waterLevel~0) .cse3 .cse6 .cse4))) [2021-10-12 23:59:59,531 INFO L857 garLoopResultBuilder]: For program point L311-2(lines 311 328) no Hoare annotation was computed. [2021-10-12 23:59:59,532 INFO L860 garLoopResultBuilder]: At program point L278-1(lines 278 285) the Hoare annotation is: true [2021-10-12 23:59:59,532 INFO L853 garLoopResultBuilder]: At program point L311-3(lines 1 988) the Hoare annotation is: false [2021-10-12 23:59:59,532 INFO L857 garLoopResultBuilder]: For program point L311-4(lines 311 328) no Hoare annotation was computed. [2021-10-12 23:59:59,532 INFO L853 garLoopResultBuilder]: At program point L311-5(lines 1 988) the Hoare annotation is: false [2021-10-12 23:59:59,532 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 386) no Hoare annotation was computed. [2021-10-12 23:59:59,532 INFO L857 garLoopResultBuilder]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2021-10-12 23:59:59,533 INFO L857 garLoopResultBuilder]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2021-10-12 23:59:59,533 INFO L857 garLoopResultBuilder]: For program point L378-3(lines 378 386) no Hoare annotation was computed. [2021-10-12 23:59:59,533 INFO L857 garLoopResultBuilder]: For program point L378-4(lines 378 386) no Hoare annotation was computed. [2021-10-12 23:59:59,533 INFO L857 garLoopResultBuilder]: For program point L378-5(lines 378 386) no Hoare annotation was computed. [2021-10-12 23:59:59,533 INFO L853 garLoopResultBuilder]: At program point L545(lines 530 548) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse3 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6 .cse7 .cse8))) [2021-10-12 23:59:59,534 INFO L853 garLoopResultBuilder]: At program point L545-1(lines 530 548) the Hoare annotation is: false [2021-10-12 23:59:59,534 INFO L853 garLoopResultBuilder]: At program point L545-2(lines 530 548) the Hoare annotation is: false [2021-10-12 23:59:59,534 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 325) no Hoare annotation was computed. [2021-10-12 23:59:59,534 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 315 325) no Hoare annotation was computed. [2021-10-12 23:59:59,534 INFO L857 garLoopResultBuilder]: For program point L315-4(lines 315 325) no Hoare annotation was computed. [2021-10-12 23:59:59,534 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 586) no Hoare annotation was computed. [2021-10-12 23:59:59,535 INFO L853 garLoopResultBuilder]: At program point L580-1(lines 580 586) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 .cse4 .cse8 .cse5 .cse7) (and .cse0 .cse2 .cse9 .cse4 .cse8 .cse6 .cse7) (and .cse0 .cse3 .cse9 .cse4 .cse6 .cse7))) [2021-10-12 23:59:59,535 INFO L853 garLoopResultBuilder]: At program point L349(lines 349 355) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse6 .cse5) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse6 .cse5))) [2021-10-12 23:59:59,535 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 322) no Hoare annotation was computed. [2021-10-12 23:59:59,535 INFO L853 garLoopResultBuilder]: At program point L349-1(lines 349 355) the Hoare annotation is: false [2021-10-12 23:59:59,535 INFO L853 garLoopResultBuilder]: At program point L349-2(lines 349 355) the Hoare annotation is: false [2021-10-12 23:59:59,536 INFO L857 garLoopResultBuilder]: For program point L316-2(lines 316 322) no Hoare annotation was computed. [2021-10-12 23:59:59,536 INFO L857 garLoopResultBuilder]: For program point L316-4(lines 316 322) no Hoare annotation was computed. [2021-10-12 23:59:59,536 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2021-10-12 23:59:59,536 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-12 23:59:59,536 INFO L853 garLoopResultBuilder]: At program point L252(lines 248 254) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-12 23:59:59,537 INFO L853 garLoopResultBuilder]: At program point L186(lines 181 189) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2021-10-12 23:59:59,537 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 181 189) the Hoare annotation is: false [2021-10-12 23:59:59,537 INFO L853 garLoopResultBuilder]: At program point L186-2(lines 181 189) the Hoare annotation is: false [2021-10-12 23:59:59,537 INFO L860 garLoopResultBuilder]: At program point L287(lines 268 290) the Hoare annotation is: true [2021-10-12 23:59:59,537 INFO L857 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,537 INFO L857 garLoopResultBuilder]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,538 INFO L857 garLoopResultBuilder]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,538 INFO L857 garLoopResultBuilder]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,538 INFO L857 garLoopResultBuilder]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,538 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-12 23:59:59,538 INFO L857 garLoopResultBuilder]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,538 INFO L857 garLoopResultBuilder]: For program point L520-9(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,538 INFO L857 garLoopResultBuilder]: For program point L520-11(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,539 INFO L857 garLoopResultBuilder]: For program point L520-12(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,539 INFO L857 garLoopResultBuilder]: For program point L520-14(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,539 INFO L857 garLoopResultBuilder]: For program point L520-15(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,539 INFO L857 garLoopResultBuilder]: For program point L520-17(lines 520 524) no Hoare annotation was computed. [2021-10-12 23:59:59,539 INFO L857 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2021-10-12 23:59:59,539 INFO L857 garLoopResultBuilder]: For program point L985-1(line 985) no Hoare annotation was computed. [2021-10-12 23:59:59,540 INFO L857 garLoopResultBuilder]: For program point L985-2(line 985) no Hoare annotation was computed. [2021-10-12 23:59:59,540 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-10-12 23:59:59,540 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-12 23:59:59,540 INFO L857 garLoopResultBuilder]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2021-10-12 23:59:59,540 INFO L857 garLoopResultBuilder]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2021-10-12 23:59:59,540 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 601) no Hoare annotation was computed. [2021-10-12 23:59:59,541 INFO L853 garLoopResultBuilder]: At program point L526(lines 511 529) the Hoare annotation is: false [2021-10-12 23:59:59,541 INFO L853 garLoopResultBuilder]: At program point L526-1(lines 511 529) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse4 .cse6 .cse7 .cse8) (and .cse0 .cse2 .cse10 .cse4 .cse5 .cse7 .cse8) (and .cse0 .cse2 .cse9 .cse10 .cse4 .cse7 .cse8))) [2021-10-12 23:59:59,541 INFO L853 garLoopResultBuilder]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2021-10-12 23:59:59,541 INFO L853 garLoopResultBuilder]: At program point L526-3(lines 511 529) the Hoare annotation is: false [2021-10-12 23:59:59,541 INFO L853 garLoopResultBuilder]: At program point L526-4(lines 511 529) the Hoare annotation is: false [2021-10-12 23:59:59,542 INFO L853 garLoopResultBuilder]: At program point L526-5(lines 511 529) the Hoare annotation is: false [2021-10-12 23:59:59,542 INFO L853 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: false [2021-10-12 23:59:59,542 INFO L853 garLoopResultBuilder]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-12 23:59:59,542 INFO L853 garLoopResultBuilder]: At program point L131-2(lines 126 134) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse5 .cse6 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse7 .cse4))) [2021-10-12 23:59:59,542 INFO L853 garLoopResultBuilder]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2021-10-12 23:59:59,542 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-12 23:59:59,543 INFO L853 garLoopResultBuilder]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2021-10-12 23:59:59,543 INFO L853 garLoopResultBuilder]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2021-10-12 23:59:59,543 INFO L853 garLoopResultBuilder]: At program point L131-6(lines 126 134) the Hoare annotation is: false [2021-10-12 23:59:59,543 INFO L853 garLoopResultBuilder]: At program point L131-7(lines 126 134) the Hoare annotation is: false [2021-10-12 23:59:59,543 INFO L853 garLoopResultBuilder]: At program point L131-8(lines 126 134) the Hoare annotation is: false [2021-10-12 23:59:59,544 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2021-10-12 23:59:59,544 INFO L857 garLoopResultBuilder]: For program point L561(lines 560 605) no Hoare annotation was computed. [2021-10-12 23:59:59,544 INFO L853 garLoopResultBuilder]: At program point L462(lines 455 465) the Hoare annotation is: false [2021-10-12 23:59:59,544 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 455 465) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2021-10-12 23:59:59,544 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 455 465) the Hoare annotation is: false [2021-10-12 23:59:59,544 INFO L853 garLoopResultBuilder]: At program point L462-3(lines 455 465) the Hoare annotation is: false [2021-10-12 23:59:59,545 INFO L853 garLoopResultBuilder]: At program point L462-4(lines 455 465) the Hoare annotation is: false [2021-10-12 23:59:59,545 INFO L853 garLoopResultBuilder]: At program point L462-5(lines 455 465) the Hoare annotation is: false [2021-10-12 23:59:59,545 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2021-10-12 23:59:59,545 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 988) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-12 23:59:59,545 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 600) no Hoare annotation was computed. [2021-10-12 23:59:59,545 INFO L857 garLoopResultBuilder]: For program point L596-2(lines 342 348) no Hoare annotation was computed. [2021-10-12 23:59:59,550 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-12 23:59:59,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:59:59 BoogieIcfgContainer [2021-10-12 23:59:59,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-12 23:59:59,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:59,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:59,589 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:59,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:47" (3/4) ... [2021-10-12 23:59:59,593 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-12 23:59:59,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-12 23:59:59,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-12 23:59:59,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-12 23:59:59,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-12 23:59:59,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-12 23:59:59,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-12 23:59:59,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-12 23:59:59,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-12 23:59:59,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-12 23:59:59,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-12 23:59:59,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == systemActive) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) && \result == 1 [2021-10-12 23:59:59,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((((splverifierCounter == 0 && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive) && \result == 1) [2021-10-12 23:59:59,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-12 23:59:59,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-12 23:59:59,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:59,720 INFO L168 Benchmark]: Toolchain (without parser) took 13678.56 ms. Allocated memory was 94.4 MB in the beginning and 224.4 MB in the end (delta: 130.0 MB). Free memory was 63.3 MB in the beginning and 130.3 MB in the end (delta: -67.0 MB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:59,720 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:59,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.44 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 62.9 MB in the beginning and 87.7 MB in the end (delta: -24.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:59,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.69 ms. Allocated memory is still 121.6 MB. Free memory was 87.7 MB in the beginning and 83.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:59,721 INFO L168 Benchmark]: Boogie Preprocessor took 67.04 ms. Allocated memory is still 121.6 MB. Free memory was 83.7 MB in the beginning and 80.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:59,722 INFO L168 Benchmark]: RCFGBuilder took 949.92 ms. Allocated memory is still 121.6 MB. Free memory was 80.9 MB in the beginning and 73.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:59,722 INFO L168 Benchmark]: TraceAbstraction took 11869.47 ms. Allocated memory was 121.6 MB in the beginning and 224.4 MB in the end (delta: 102.8 MB). Free memory was 72.6 MB in the beginning and 141.8 MB in the end (delta: -69.2 MB). Peak memory consumption was 111.0 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:59,723 INFO L168 Benchmark]: Witness Printer took 129.39 ms. Allocated memory is still 224.4 MB. Free memory was 141.8 MB in the beginning and 130.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:59,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 549.44 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 62.9 MB in the beginning and 87.7 MB in the end (delta: -24.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.69 ms. Allocated memory is still 121.6 MB. Free memory was 87.7 MB in the beginning and 83.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.04 ms. Allocated memory is still 121.6 MB. Free memory was 83.7 MB in the beginning and 80.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 949.92 ms. Allocated memory is still 121.6 MB. Free memory was 80.9 MB in the beginning and 73.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11869.47 ms. Allocated memory was 121.6 MB in the beginning and 224.4 MB in the end (delta: 102.8 MB). Free memory was 72.6 MB in the beginning and 141.8 MB in the end (delta: -69.2 MB). Peak memory consumption was 111.0 MB. Max. memory is 16.1 GB. * Witness Printer took 129.39 ms. Allocated memory is still 224.4 MB. Free memory was 141.8 MB in the beginning and 130.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 985]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 985]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 985]: 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, 139 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11771.0ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 40.4ms, AutomataDifference: 2089.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 6599.8ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1688 SDtfs, 2191 SDslu, 2595 SDs, 0 SdLazy, 369 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 966.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 347.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 382.1ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1549 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1018 HoareAnnotationTreeSize, 55 FomulaSimplifications, 2516883 FormulaSimplificationTreeSizeReduction, 1829.1ms HoareSimplificationTime, 55 FomulaSimplificationsInter, 660293 FormulaSimplificationTreeSizeReductionInter, 4751.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 116.6ms SsaConstructionTime, 624.3ms SatisfiabilityAnalysisTime, 1259.2ms InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 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 3 specifications checked. All of them hold - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((((splverifierCounter == 0 && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == systemActive) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-12 23:59:59,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4f7997-34ba-420a-9845-adee252438e6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...