./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:36:38,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:36:38,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:36:38,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:36:38,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:36:38,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:36:38,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:36:38,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:36:38,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:36:38,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:36:38,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:36:38,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:36:38,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:36:38,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:36:38,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:36:38,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:36:38,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:36:38,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:36:38,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:36:38,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:36:38,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:36:38,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:36:38,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:36:38,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:36:38,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:36:38,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:36:38,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:36:38,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:36:38,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:36:38,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:36:38,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:36:38,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:36:38,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:36:38,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:36:38,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:36:38,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:36:38,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:36:38,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:36:38,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:36:38,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:36:38,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:36:38,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:36:38,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:36:38,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:36:38,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:36:38,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:36:38,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:36:38,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:36:38,942 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:36:38,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:36:38,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:36:38,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:36:38,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:36:38,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:36:38,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:36:38,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:36:38,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:36:38,944 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:36:38,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:36:38,945 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:36:38,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:36:38,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:36:38,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:36:38,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:36:38,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:36:38,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:36:38,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:36:38,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:36:38,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:36:38,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:36:38,947 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:36:38,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:36:38,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:36:38,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:36:38,948 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_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 [2021-10-28 23:36:39,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:36:39,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:36:39,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:36:39,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:36:39,310 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:36:39,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-10-28 23:36:39,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/data/89f58940a/7b12743b5d044a698d24e355b14b652e/FLAG8a672155d [2021-10-28 23:36:39,972 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:36:39,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-10-28 23:36:39,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/data/89f58940a/7b12743b5d044a698d24e355b14b652e/FLAG8a672155d [2021-10-28 23:36:40,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/data/89f58940a/7b12743b5d044a698d24e355b14b652e [2021-10-28 23:36:40,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:36:40,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:36:40,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:40,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:36:40,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:36:40,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48779dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40, skipping insertion in model container [2021-10-28 23:36:40,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:36:40,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:36:40,638 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_5fae2d21-0e69-4b3a-8635-798b13f5568d/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2021-10-28 23:36:40,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:40,653 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:36:40,770 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_5fae2d21-0e69-4b3a-8635-798b13f5568d/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2021-10-28 23:36:40,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:40,801 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:36:40,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40 WrapperNode [2021-10-28 23:36:40,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:40,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:40,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:36:40,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:36:40,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:40,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:36:40,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:36:40,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:36:40,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:40,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:36:40,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:36:40,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:36:40,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:36:40,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (1/1) ... [2021-10-28 23:36:41,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:36:41,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:36:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:36:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:36:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:36:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:36:42,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:36:42,275 INFO L299 CfgBuilder]: Removed 278 assume(true) statements. [2021-10-28 23:36:42,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:42 BoogieIcfgContainer [2021-10-28 23:36:42,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:36:42,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:36:42,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:36:42,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:36:42,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:36:40" (1/3) ... [2021-10-28 23:36:42,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7006d2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:36:42, skipping insertion in model container [2021-10-28 23:36:42,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:40" (2/3) ... [2021-10-28 23:36:42,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7006d2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:36:42, skipping insertion in model container [2021-10-28 23:36:42,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:42" (3/3) ... [2021-10-28 23:36:42,288 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2021-10-28 23:36:42,293 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:36:42,294 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:36:42,346 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:36:42,352 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:36:42,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:36:42,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:36:42,377 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:42,378 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:42,378 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:42,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:42,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2021-10-28 23:36:42,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:42,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124854714] [2021-10-28 23:36:42,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:42,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:42,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:42,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124854714] [2021-10-28 23:36:42,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124854714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:42,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:42,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:36:42,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100542178] [2021-10-28 23:36:42,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:36:42,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:42,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:36:42,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:36:42,689 INFO L87 Difference]: Start difference. First operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:42,726 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-28 23:36:42,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:36:42,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-10-28 23:36:42,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:42,739 INFO L225 Difference]: With dead ends: 372 [2021-10-28 23:36:42,739 INFO L226 Difference]: Without dead ends: 185 [2021-10-28 23:36:42,743 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:36:42,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-28 23:36:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-28 23:36:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 182 states have (on average 1.5164835164835164) internal successors, (276), 184 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-28 23:36:42,821 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-28 23:36:42,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:42,821 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-28 23:36:42,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-28 23:36:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:36:42,823 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:42,823 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:42,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:36:42,824 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:42,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2021-10-28 23:36:42,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:42,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383905648] [2021-10-28 23:36:42,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:42,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:42,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:42,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383905648] [2021-10-28 23:36:42,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383905648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:42,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:42,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:42,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698360986] [2021-10-28 23:36:42,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:42,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:42,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:42,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:42,924 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:42,939 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-28 23:36:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:42,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-10-28 23:36:42,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:42,941 INFO L225 Difference]: With dead ends: 185 [2021-10-28 23:36:42,942 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 23:36:42,943 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 23:36:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-28 23:36:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-28 23:36:42,951 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-28 23:36:42,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:42,951 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-28 23:36:42,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-28 23:36:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:36:42,953 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:42,953 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:42,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:36:42,954 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:42,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:42,955 INFO L85 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2021-10-28 23:36:42,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:42,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815800332] [2021-10-28 23:36:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:42,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:43,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:43,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815800332] [2021-10-28 23:36:43,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815800332] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:43,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:43,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:43,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305048675] [2021-10-28 23:36:43,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:43,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:43,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:43,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:43,041 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:43,073 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-28 23:36:43,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:43,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-10-28 23:36:43,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:43,080 INFO L225 Difference]: With dead ends: 136 [2021-10-28 23:36:43,080 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 23:36:43,081 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:43,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 23:36:43,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-28 23:36:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4857142857142858) internal successors, (104), 70 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-28 23:36:43,088 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-28 23:36:43,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:43,088 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-28 23:36:43,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-28 23:36:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 23:36:43,094 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:43,094 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:43,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:36:43,095 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:43,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:43,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2021-10-28 23:36:43,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:43,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439896051] [2021-10-28 23:36:43,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:43,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:43,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:43,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439896051] [2021-10-28 23:36:43,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439896051] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:43,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:43,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:36:43,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786694828] [2021-10-28 23:36:43,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:43,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:43,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:43,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:43,223 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:43,283 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-28 23:36:43,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:43,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2021-10-28 23:36:43,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:43,286 INFO L225 Difference]: With dead ends: 145 [2021-10-28 23:36:43,286 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:36:43,287 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:43,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:36:43,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-28 23:36:43,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-28 23:36:43,295 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-28 23:36:43,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:43,295 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-28 23:36:43,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,296 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-28 23:36:43,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 23:36:43,305 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:43,305 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:43,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:36:43,305 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:43,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:43,306 INFO L85 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2021-10-28 23:36:43,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:43,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497004960] [2021-10-28 23:36:43,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:43,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:43,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:43,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497004960] [2021-10-28 23:36:43,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497004960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:43,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:43,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:43,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256781579] [2021-10-28 23:36:43,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:43,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:43,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:43,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:43,438 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:43,535 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-28 23:36:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:36:43,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-10-28 23:36:43,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:43,538 INFO L225 Difference]: With dead ends: 204 [2021-10-28 23:36:43,538 INFO L226 Difference]: Without dead ends: 132 [2021-10-28 23:36:43,538 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:36:43,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-28 23:36:43,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-28 23:36:43,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-28 23:36:43,557 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-28 23:36:43,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:43,558 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-28 23:36:43,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-28 23:36:43,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 23:36:43,560 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:43,560 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:43,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:36:43,560 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:43,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:43,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2021-10-28 23:36:43,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:43,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72633283] [2021-10-28 23:36:43,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:43,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:43,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:43,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72633283] [2021-10-28 23:36:43,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72633283] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:43,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:43,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:36:43,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954442207] [2021-10-28 23:36:43,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:43,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:43,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:43,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:43,668 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:43,757 INFO L93 Difference]: Finished difference Result 300 states and 417 transitions. [2021-10-28 23:36:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:36:43,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-10-28 23:36:43,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:43,766 INFO L225 Difference]: With dead ends: 300 [2021-10-28 23:36:43,766 INFO L226 Difference]: Without dead ends: 219 [2021-10-28 23:36:43,767 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:36:43,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-28 23:36:43,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 131. [2021-10-28 23:36:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.353846153846154) internal successors, (176), 130 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2021-10-28 23:36:43,793 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 31 [2021-10-28 23:36:43,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:43,793 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2021-10-28 23:36:43,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2021-10-28 23:36:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:36:43,802 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:43,802 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:43,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:36:43,802 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:43,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:43,803 INFO L85 PathProgramCache]: Analyzing trace with hash -370370771, now seen corresponding path program 1 times [2021-10-28 23:36:43,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:43,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493818627] [2021-10-28 23:36:43,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:43,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:43,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:43,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493818627] [2021-10-28 23:36:43,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493818627] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:43,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:43,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:43,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229362009] [2021-10-28 23:36:43,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:36:43,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:43,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:43,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:43,875 INFO L87 Difference]: Start difference. First operand 131 states and 176 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-10-28 23:36:43,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:43,992 INFO L93 Difference]: Finished difference Result 278 states and 379 transitions. [2021-10-28 23:36:43,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:36:43,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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 [2021-10-28 23:36:43,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:43,995 INFO L225 Difference]: With dead ends: 278 [2021-10-28 23:36:43,995 INFO L226 Difference]: Without dead ends: 197 [2021-10-28 23:36:43,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:43,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-28 23:36:44,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2021-10-28 23:36:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.3471502590673574) internal successors, (260), 193 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 260 transitions. [2021-10-28 23:36:44,017 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 260 transitions. Word has length 32 [2021-10-28 23:36:44,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:44,017 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 260 transitions. [2021-10-28 23:36:44,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-10-28 23:36:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2021-10-28 23:36:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:36:44,018 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:44,018 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:44,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:36:44,019 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:44,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:44,019 INFO L85 PathProgramCache]: Analyzing trace with hash -112205333, now seen corresponding path program 1 times [2021-10-28 23:36:44,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:44,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580796090] [2021-10-28 23:36:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:44,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:44,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:44,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:44,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580796090] [2021-10-28 23:36:44,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580796090] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:44,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:44,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:36:44,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266368108] [2021-10-28 23:36:44,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:36:44,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:44,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:44,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:44,089 INFO L87 Difference]: Start difference. First operand 194 states and 260 transitions. Second operand has 4 states, 4 states have (on average 8.0) 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) [2021-10-28 23:36:44,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:44,163 INFO L93 Difference]: Finished difference Result 456 states and 623 transitions. [2021-10-28 23:36:44,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:44,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) 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 [2021-10-28 23:36:44,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:44,166 INFO L225 Difference]: With dead ends: 456 [2021-10-28 23:36:44,166 INFO L226 Difference]: Without dead ends: 311 [2021-10-28 23:36:44,167 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:44,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-10-28 23:36:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 185. [2021-10-28 23:36:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 1.3478260869565217) internal successors, (248), 184 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 248 transitions. [2021-10-28 23:36:44,189 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 248 transitions. Word has length 32 [2021-10-28 23:36:44,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:44,189 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 248 transitions. [2021-10-28 23:36:44,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) 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) [2021-10-28 23:36:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 248 transitions. [2021-10-28 23:36:44,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:36:44,192 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:44,192 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:44,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:36:44,192 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1127223910, now seen corresponding path program 1 times [2021-10-28 23:36:44,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:44,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973171082] [2021-10-28 23:36:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:44,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:44,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:44,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973171082] [2021-10-28 23:36:44,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973171082] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:44,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:44,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:44,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753845266] [2021-10-28 23:36:44,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:44,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:44,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:44,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:44,265 INFO L87 Difference]: Start difference. First operand 185 states and 248 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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) [2021-10-28 23:36:44,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:44,454 INFO L93 Difference]: Finished difference Result 418 states and 565 transitions. [2021-10-28 23:36:44,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:36:44,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 [2021-10-28 23:36:44,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:44,456 INFO L225 Difference]: With dead ends: 418 [2021-10-28 23:36:44,456 INFO L226 Difference]: Without dead ends: 282 [2021-10-28 23:36:44,458 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:36:44,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-28 23:36:44,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 181. [2021-10-28 23:36:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.3333333333333333) internal successors, (240), 180 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 240 transitions. [2021-10-28 23:36:44,474 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 240 transitions. Word has length 32 [2021-10-28 23:36:44,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:44,475 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 240 transitions. [2021-10-28 23:36:44,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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) [2021-10-28 23:36:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2021-10-28 23:36:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-28 23:36:44,479 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:44,479 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:36:44,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:36:44,479 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:44,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash -165583408, now seen corresponding path program 1 times [2021-10-28 23:36:44,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:44,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985803472] [2021-10-28 23:36:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:44,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 23:36:44,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:44,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985803472] [2021-10-28 23:36:44,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985803472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:44,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:44,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:44,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788634946] [2021-10-28 23:36:44,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:44,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:44,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:44,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:44,571 INFO L87 Difference]: Start difference. First operand 181 states and 240 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:44,664 INFO L93 Difference]: Finished difference Result 379 states and 503 transitions. [2021-10-28 23:36:44,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:44,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-28 23:36:44,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:44,666 INFO L225 Difference]: With dead ends: 379 [2021-10-28 23:36:44,666 INFO L226 Difference]: Without dead ends: 204 [2021-10-28 23:36:44,666 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:36:44,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-28 23:36:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 154. [2021-10-28 23:36:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3006535947712419) internal successors, (199), 153 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 199 transitions. [2021-10-28 23:36:44,699 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 199 transitions. Word has length 49 [2021-10-28 23:36:44,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:44,699 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 199 transitions. [2021-10-28 23:36:44,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 199 transitions. [2021-10-28 23:36:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-28 23:36:44,700 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:44,700 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:44,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:36:44,700 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:44,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:44,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1786964048, now seen corresponding path program 1 times [2021-10-28 23:36:44,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:44,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558006086] [2021-10-28 23:36:44,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:44,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 23:36:44,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:44,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558006086] [2021-10-28 23:36:44,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558006086] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:44,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:44,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:44,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818120683] [2021-10-28 23:36:44,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:36:44,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:44,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:36:44,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:36:44,778 INFO L87 Difference]: Start difference. First operand 154 states and 199 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:44,898 INFO L93 Difference]: Finished difference Result 742 states and 977 transitions. [2021-10-28 23:36:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:36:44,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 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 50 [2021-10-28 23:36:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:44,904 INFO L225 Difference]: With dead ends: 742 [2021-10-28 23:36:44,904 INFO L226 Difference]: Without dead ends: 594 [2021-10-28 23:36:44,904 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:36:44,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-10-28 23:36:44,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 300. [2021-10-28 23:36:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2876254180602007) internal successors, (385), 299 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 385 transitions. [2021-10-28 23:36:44,937 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 385 transitions. Word has length 50 [2021-10-28 23:36:44,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:44,937 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 385 transitions. [2021-10-28 23:36:44,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 385 transitions. [2021-10-28 23:36:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 23:36:44,939 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:44,939 INFO L513 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] [2021-10-28 23:36:44,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:36:44,939 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:44,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:44,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1138581304, now seen corresponding path program 1 times [2021-10-28 23:36:44,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:44,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966581286] [2021-10-28 23:36:44,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:44,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 23:36:44,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:44,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966581286] [2021-10-28 23:36:44,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966581286] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:44,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:44,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:44,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212056355] [2021-10-28 23:36:44,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:44,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:44,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:44,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:44,996 INFO L87 Difference]: Start difference. First operand 300 states and 385 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:45,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:45,217 INFO L93 Difference]: Finished difference Result 780 states and 1006 transitions. [2021-10-28 23:36:45,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:36:45,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 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 51 [2021-10-28 23:36:45,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:45,222 INFO L225 Difference]: With dead ends: 780 [2021-10-28 23:36:45,223 INFO L226 Difference]: Without dead ends: 778 [2021-10-28 23:36:45,223 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:36:45,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2021-10-28 23:36:45,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 300. [2021-10-28 23:36:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2809364548494984) internal successors, (383), 299 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 383 transitions. [2021-10-28 23:36:45,264 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 383 transitions. Word has length 51 [2021-10-28 23:36:45,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:45,265 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 383 transitions. [2021-10-28 23:36:45,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 383 transitions. [2021-10-28 23:36:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-28 23:36:45,266 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:45,266 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:45,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:36:45,267 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:45,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2021-10-28 23:36:45,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:45,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025852383] [2021-10-28 23:36:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:45,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:45,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:45,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025852383] [2021-10-28 23:36:45,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025852383] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:45,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334337207] [2021-10-28 23:36:45,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:45,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:45,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:45,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:45,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:36:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:45,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:36:45,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:45,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334337207] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:45,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:36:45,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-28 23:36:45,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68943397] [2021-10-28 23:36:45,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:36:45,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:45,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:36:45,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:36:45,790 INFO L87 Difference]: Start difference. First operand 300 states and 383 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:46,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:46,050 INFO L93 Difference]: Finished difference Result 968 states and 1254 transitions. [2021-10-28 23:36:46,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:36:46,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-10-28 23:36:46,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:46,054 INFO L225 Difference]: With dead ends: 968 [2021-10-28 23:36:46,055 INFO L226 Difference]: Without dead ends: 724 [2021-10-28 23:36:46,055 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:36:46,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2021-10-28 23:36:46,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 432. [2021-10-28 23:36:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 431 states have (on average 1.2900232018561484) internal successors, (556), 431 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 556 transitions. [2021-10-28 23:36:46,104 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 556 transitions. Word has length 57 [2021-10-28 23:36:46,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:46,105 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 556 transitions. [2021-10-28 23:36:46,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 556 transitions. [2021-10-28 23:36:46,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-28 23:36:46,106 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:46,107 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:46,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:46,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-28 23:36:46,333 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:46,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:46,334 INFO L85 PathProgramCache]: Analyzing trace with hash 852511654, now seen corresponding path program 2 times [2021-10-28 23:36:46,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:46,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374778008] [2021-10-28 23:36:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:46,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 23:36:46,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:46,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374778008] [2021-10-28 23:36:46,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374778008] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:46,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:46,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:46,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396968316] [2021-10-28 23:36:46,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:46,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:46,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:46,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:46,458 INFO L87 Difference]: Start difference. First operand 432 states and 556 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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) [2021-10-28 23:36:46,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:46,979 INFO L93 Difference]: Finished difference Result 1316 states and 1712 transitions. [2021-10-28 23:36:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:46,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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 82 [2021-10-28 23:36:46,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:46,985 INFO L225 Difference]: With dead ends: 1316 [2021-10-28 23:36:46,985 INFO L226 Difference]: Without dead ends: 938 [2021-10-28 23:36:46,986 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:36:46,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2021-10-28 23:36:47,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 608. [2021-10-28 23:36:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 607 states have (on average 1.2767710049423393) internal successors, (775), 607 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 775 transitions. [2021-10-28 23:36:47,060 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 775 transitions. Word has length 82 [2021-10-28 23:36:47,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:47,060 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 775 transitions. [2021-10-28 23:36:47,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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) [2021-10-28 23:36:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 775 transitions. [2021-10-28 23:36:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-28 23:36:47,062 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:47,062 INFO L513 BasicCegarLoop]: trace histogram [3, 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] [2021-10-28 23:36:47,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:36:47,063 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:47,063 INFO L85 PathProgramCache]: Analyzing trace with hash 458144868, now seen corresponding path program 1 times [2021-10-28 23:36:47,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:47,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277162411] [2021-10-28 23:36:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-28 23:36:47,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:47,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277162411] [2021-10-28 23:36:47,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277162411] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:47,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544025857] [2021-10-28 23:36:47,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:47,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:47,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:47,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:36:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:47,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:36:47,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 23:36:47,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544025857] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:47,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:36:47,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-10-28 23:36:47,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570988777] [2021-10-28 23:36:47,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:47,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:47,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:47,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:36:47,568 INFO L87 Difference]: Start difference. First operand 608 states and 775 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:47,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:47,670 INFO L93 Difference]: Finished difference Result 1092 states and 1384 transitions. [2021-10-28 23:36:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:47,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 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 [2021-10-28 23:36:47,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:47,671 INFO L225 Difference]: With dead ends: 1092 [2021-10-28 23:36:47,671 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:36:47,675 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:36:47,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:36:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:36:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:36:47,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-28 23:36:47,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:47,676 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:47,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:36:47,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:36:47,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:36:47,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:36:47,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:36:47,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:47,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-28 23:36:47,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:36:47,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:47,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:47,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:48,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:49,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:50,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:56,626 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-28 23:36:56,626 INFO L853 garLoopResultBuilder]: At program point L267(lines 260 270) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) [2021-10-28 23:36:56,626 INFO L853 garLoopResultBuilder]: At program point L267-1(lines 260 270) the Hoare annotation is: false [2021-10-28 23:36:56,627 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 209) no Hoare annotation was computed. [2021-10-28 23:36:56,627 INFO L853 garLoopResultBuilder]: At program point L267-2(lines 260 270) the Hoare annotation is: false [2021-10-28 23:36:56,632 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 201 209) no Hoare annotation was computed. [2021-10-28 23:36:56,632 INFO L857 garLoopResultBuilder]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2021-10-28 23:36:56,632 INFO L857 garLoopResultBuilder]: For program point L201-3(lines 201 209) no Hoare annotation was computed. [2021-10-28 23:36:56,632 INFO L857 garLoopResultBuilder]: For program point L201-4(lines 201 209) no Hoare annotation was computed. [2021-10-28 23:36:56,632 INFO L857 garLoopResultBuilder]: For program point L201-5(lines 201 209) no Hoare annotation was computed. [2021-10-28 23:36:56,633 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 866) no Hoare annotation was computed. [2021-10-28 23:36:56,633 INFO L857 garLoopResultBuilder]: For program point L862-3(lines 862 866) no Hoare annotation was computed. [2021-10-28 23:36:56,633 INFO L857 garLoopResultBuilder]: For program point L862-6(lines 862 866) no Hoare annotation was computed. [2021-10-28 23:36:56,633 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-10-28 23:36:56,633 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 139 145) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)))) [2021-10-28 23:36:56,633 INFO L857 garLoopResultBuilder]: For program point L963(line 963) no Hoare annotation was computed. [2021-10-28 23:36:56,634 INFO L857 garLoopResultBuilder]: For program point L963-1(line 963) no Hoare annotation was computed. [2021-10-28 23:36:56,634 INFO L857 garLoopResultBuilder]: For program point L963-2(line 963) no Hoare annotation was computed. [2021-10-28 23:36:56,634 INFO L853 garLoopResultBuilder]: At program point L402-2(lines 402 416) the Hoare annotation is: false [2021-10-28 23:36:56,634 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,634 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,634 INFO L857 garLoopResultBuilder]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,635 INFO L857 garLoopResultBuilder]: For program point L171-3(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,635 INFO L857 garLoopResultBuilder]: For program point L171-4(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,635 INFO L857 garLoopResultBuilder]: For program point L171-5(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,635 INFO L857 garLoopResultBuilder]: For program point L171-6(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,635 INFO L857 garLoopResultBuilder]: For program point L171-7(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,635 INFO L853 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-28 23:36:56,636 INFO L857 garLoopResultBuilder]: For program point L171-8(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,636 INFO L853 garLoopResultBuilder]: At program point L931-1(lines 926 934) the Hoare annotation is: false [2021-10-28 23:36:56,636 INFO L857 garLoopResultBuilder]: For program point L171-9(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,636 INFO L857 garLoopResultBuilder]: For program point L171-10(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,636 INFO L853 garLoopResultBuilder]: At program point L931-2(lines 926 934) the Hoare annotation is: false [2021-10-28 23:36:56,636 INFO L857 garLoopResultBuilder]: For program point L171-11(lines 171 188) no Hoare annotation was computed. [2021-10-28 23:36:56,637 INFO L857 garLoopResultBuilder]: For program point L403(line 403) no Hoare annotation was computed. [2021-10-28 23:36:56,637 INFO L853 garLoopResultBuilder]: At program point L139(lines 138 157) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (and .cse0 .cse2 .cse1 (= ~waterLevel~0 1)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse1))) [2021-10-28 23:36:56,637 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2021-10-28 23:36:56,637 INFO L853 garLoopResultBuilder]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2021-10-28 23:36:56,637 INFO L853 garLoopResultBuilder]: At program point L139-3(lines 138 157) the Hoare annotation is: false [2021-10-28 23:36:56,637 INFO L853 garLoopResultBuilder]: At program point L998(lines 993 1001) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:36:56,638 INFO L853 garLoopResultBuilder]: At program point L899(lines 894 902) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) [2021-10-28 23:36:56,638 INFO L853 garLoopResultBuilder]: At program point L899-1(lines 894 902) the Hoare annotation is: false [2021-10-28 23:36:56,638 INFO L853 garLoopResultBuilder]: At program point L899-2(lines 894 902) the Hoare annotation is: false [2021-10-28 23:36:56,638 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-28 23:36:56,638 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse4 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)))) [2021-10-28 23:36:56,639 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-28 23:36:56,639 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2021-10-28 23:36:56,639 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 386) no Hoare annotation was computed. [2021-10-28 23:36:56,639 INFO L857 garLoopResultBuilder]: For program point L406-1(lines 139 145) no Hoare annotation was computed. [2021-10-28 23:36:56,639 INFO L853 garLoopResultBuilder]: At program point L373-1(lines 1 1001) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)))) [2021-10-28 23:36:56,639 INFO L857 garLoopResultBuilder]: For program point L373-2(lines 373 386) no Hoare annotation was computed. [2021-10-28 23:36:56,640 INFO L853 garLoopResultBuilder]: At program point L373-3(lines 1 1001) the Hoare annotation is: false [2021-10-28 23:36:56,640 INFO L857 garLoopResultBuilder]: For program point L373-4(lines 373 386) no Hoare annotation was computed. [2021-10-28 23:36:56,640 INFO L853 garLoopResultBuilder]: At program point L373-5(lines 1 1001) the Hoare annotation is: false [2021-10-28 23:36:56,640 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,640 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,640 INFO L857 garLoopResultBuilder]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,641 INFO L857 garLoopResultBuilder]: For program point L175-3(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,641 INFO L857 garLoopResultBuilder]: For program point L175-4(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,641 INFO L857 garLoopResultBuilder]: For program point L175-5(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,641 INFO L857 garLoopResultBuilder]: For program point L175-6(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,641 INFO L857 garLoopResultBuilder]: For program point L175-7(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,641 INFO L857 garLoopResultBuilder]: For program point L175-8(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,641 INFO L857 garLoopResultBuilder]: For program point L175-9(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,642 INFO L857 garLoopResultBuilder]: For program point L175-10(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,642 INFO L857 garLoopResultBuilder]: For program point L175-11(lines 175 183) no Hoare annotation was computed. [2021-10-28 23:36:56,642 INFO L853 garLoopResultBuilder]: At program point L276(lines 271 279) the Hoare annotation is: false [2021-10-28 23:36:56,642 INFO L853 garLoopResultBuilder]: At program point L276-1(lines 271 279) the Hoare annotation is: false [2021-10-28 23:36:56,642 INFO L853 garLoopResultBuilder]: At program point L276-2(lines 271 279) the Hoare annotation is: false [2021-10-28 23:36:56,642 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 483) no Hoare annotation was computed. [2021-10-28 23:36:56,643 INFO L860 garLoopResultBuilder]: At program point L476-1(lines 476 483) the Hoare annotation is: true [2021-10-28 23:36:56,643 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 383) no Hoare annotation was computed. [2021-10-28 23:36:56,643 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,643 INFO L857 garLoopResultBuilder]: For program point L377-2(lines 377 383) no Hoare annotation was computed. [2021-10-28 23:36:56,643 INFO L857 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,643 INFO L857 garLoopResultBuilder]: For program point L344-3(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,644 INFO L857 garLoopResultBuilder]: For program point L377-4(lines 377 383) no Hoare annotation was computed. [2021-10-28 23:36:56,644 INFO L857 garLoopResultBuilder]: For program point L344-5(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,644 INFO L853 garLoopResultBuilder]: At program point L146(lines 146 152) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-10-28 23:36:56,644 INFO L857 garLoopResultBuilder]: For program point L344-6(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,644 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-10-28 23:36:56,644 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2021-10-28 23:36:56,645 INFO L857 garLoopResultBuilder]: For program point L344-8(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,645 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 146 152) the Hoare annotation is: false [2021-10-28 23:36:56,645 INFO L857 garLoopResultBuilder]: For program point L344-9(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,645 INFO L857 garLoopResultBuilder]: For program point L344-11(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,645 INFO L857 garLoopResultBuilder]: For program point L344-12(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,645 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,646 INFO L857 garLoopResultBuilder]: For program point L939-1(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,646 INFO L857 garLoopResultBuilder]: For program point L344-14(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,646 INFO L857 garLoopResultBuilder]: For program point L939-2(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,646 INFO L857 garLoopResultBuilder]: For program point L344-15(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,646 INFO L857 garLoopResultBuilder]: For program point L939-3(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,646 INFO L857 garLoopResultBuilder]: For program point L939-4(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,646 INFO L857 garLoopResultBuilder]: For program point L344-17(lines 344 348) no Hoare annotation was computed. [2021-10-28 23:36:56,647 INFO L857 garLoopResultBuilder]: For program point L939-5(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,647 INFO L857 garLoopResultBuilder]: For program point L939-6(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,647 INFO L857 garLoopResultBuilder]: For program point L939-7(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,647 INFO L857 garLoopResultBuilder]: For program point L939-8(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,647 INFO L857 garLoopResultBuilder]: For program point L939-9(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,647 INFO L857 garLoopResultBuilder]: For program point L939-10(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,648 INFO L857 garLoopResultBuilder]: For program point L939-11(lines 939 945) no Hoare annotation was computed. [2021-10-28 23:36:56,648 INFO L857 garLoopResultBuilder]: For program point L874(lines 874 878) no Hoare annotation was computed. [2021-10-28 23:36:56,648 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-28 23:36:56,648 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)))) [2021-10-28 23:36:56,648 INFO L853 garLoopResultBuilder]: At program point L944(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,648 INFO L853 garLoopResultBuilder]: At program point L944-1(lines 935 948) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~3 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3))) [2021-10-28 23:36:56,649 INFO L853 garLoopResultBuilder]: At program point L944-2(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,649 INFO L853 garLoopResultBuilder]: At program point L944-3(lines 935 948) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2021-10-28 23:36:56,649 INFO L853 garLoopResultBuilder]: At program point L944-4(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,649 INFO L853 garLoopResultBuilder]: At program point L944-5(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,649 INFO L853 garLoopResultBuilder]: At program point L944-6(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,649 INFO L853 garLoopResultBuilder]: At program point L944-7(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,650 INFO L853 garLoopResultBuilder]: At program point L944-8(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,650 INFO L853 garLoopResultBuilder]: At program point L944-9(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,650 INFO L853 garLoopResultBuilder]: At program point L944-10(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,650 INFO L853 garLoopResultBuilder]: At program point L944-11(lines 935 948) the Hoare annotation is: false [2021-10-28 23:36:56,650 INFO L853 garLoopResultBuilder]: At program point L350(lines 335 353) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 1 ~systemActive~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= ULTIMATE.start_processEnvironment_~tmp~3 0)) [2021-10-28 23:36:56,650 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:36:56,651 INFO L853 garLoopResultBuilder]: At program point L350-1(lines 335 353) the Hoare annotation is: false [2021-10-28 23:36:56,651 INFO L853 garLoopResultBuilder]: At program point L350-2(lines 335 353) the Hoare annotation is: false [2021-10-28 23:36:56,651 INFO L853 garLoopResultBuilder]: At program point L350-3(lines 335 353) the Hoare annotation is: false [2021-10-28 23:36:56,651 INFO L853 garLoopResultBuilder]: At program point L350-4(lines 335 353) the Hoare annotation is: false [2021-10-28 23:36:56,651 INFO L853 garLoopResultBuilder]: At program point L350-5(lines 335 353) the Hoare annotation is: false [2021-10-28 23:36:56,651 INFO L853 garLoopResultBuilder]: At program point L450(lines 446 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:36:56,652 INFO L860 garLoopResultBuilder]: At program point L485(lines 466 488) the Hoare annotation is: true [2021-10-28 23:36:56,652 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:36:56,652 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 240) no Hoare annotation was computed. [2021-10-28 23:36:56,652 INFO L857 garLoopResultBuilder]: For program point L223-1(lines 223 240) no Hoare annotation was computed. [2021-10-28 23:36:56,652 INFO L857 garLoopResultBuilder]: For program point L223-2(lines 223 240) no Hoare annotation was computed. [2021-10-28 23:36:56,652 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 890) no Hoare annotation was computed. [2021-10-28 23:36:56,652 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,653 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,653 INFO L857 garLoopResultBuilder]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,653 INFO L857 garLoopResultBuilder]: For program point L325-5(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,653 INFO L857 garLoopResultBuilder]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,653 INFO L857 garLoopResultBuilder]: For program point L325-8(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,653 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:36:56,653 INFO L857 garLoopResultBuilder]: For program point L325-9(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,654 INFO L857 garLoopResultBuilder]: For program point L325-11(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,654 INFO L857 garLoopResultBuilder]: For program point L325-12(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,654 INFO L857 garLoopResultBuilder]: For program point L325-14(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,654 INFO L857 garLoopResultBuilder]: For program point L325-15(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,654 INFO L857 garLoopResultBuilder]: For program point L325-17(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,654 INFO L857 garLoopResultBuilder]: For program point L325-18(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,654 INFO L857 garLoopResultBuilder]: For program point L325-20(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,655 INFO L857 garLoopResultBuilder]: For program point L325-21(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,655 INFO L857 garLoopResultBuilder]: For program point L325-23(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,655 INFO L857 garLoopResultBuilder]: For program point L325-24(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,655 INFO L857 garLoopResultBuilder]: For program point L325-26(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,655 INFO L857 garLoopResultBuilder]: For program point L325-27(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,655 INFO L857 garLoopResultBuilder]: For program point L325-29(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,656 INFO L857 garLoopResultBuilder]: For program point L325-30(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,656 INFO L857 garLoopResultBuilder]: For program point L325-32(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,656 INFO L857 garLoopResultBuilder]: For program point L325-33(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,656 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2021-10-28 23:36:56,656 INFO L857 garLoopResultBuilder]: For program point L227-1(lines 227 235) no Hoare annotation was computed. [2021-10-28 23:36:56,656 INFO L857 garLoopResultBuilder]: For program point L325-35(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:36:56,656 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 235) no Hoare annotation was computed. [2021-10-28 23:36:56,657 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-10-28 23:36:56,657 INFO L853 garLoopResultBuilder]: At program point L954(lines 949 957) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= ULTIMATE.start_processEnvironment_~tmp~3 0)) [2021-10-28 23:36:56,657 INFO L853 garLoopResultBuilder]: At program point L954-1(lines 949 957) the Hoare annotation is: false [2021-10-28 23:36:56,657 INFO L853 garLoopResultBuilder]: At program point L954-2(lines 949 957) the Hoare annotation is: false [2021-10-28 23:36:56,657 INFO L853 garLoopResultBuilder]: At program point L954-3(lines 949 957) the Hoare annotation is: false [2021-10-28 23:36:56,657 INFO L853 garLoopResultBuilder]: At program point L954-4(lines 949 957) the Hoare annotation is: false [2021-10-28 23:36:56,657 INFO L853 garLoopResultBuilder]: At program point L954-5(lines 949 957) the Hoare annotation is: false [2021-10-28 23:36:56,658 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 214) no Hoare annotation was computed. [2021-10-28 23:36:56,658 INFO L857 garLoopResultBuilder]: For program point L197-1(lines 197 214) no Hoare annotation was computed. [2021-10-28 23:36:56,658 INFO L857 garLoopResultBuilder]: For program point L197-2(lines 197 214) no Hoare annotation was computed. [2021-10-28 23:36:56,658 INFO L857 garLoopResultBuilder]: For program point L197-3(lines 197 214) no Hoare annotation was computed. [2021-10-28 23:36:56,658 INFO L857 garLoopResultBuilder]: For program point L197-4(lines 197 214) no Hoare annotation was computed. [2021-10-28 23:36:56,658 INFO L857 garLoopResultBuilder]: For program point L197-5(lines 197 214) no Hoare annotation was computed. [2021-10-28 23:36:56,658 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:36:56,659 INFO L853 garLoopResultBuilder]: At program point L990(lines 1 1001) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:36:56,659 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-28 23:36:56,659 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-10-28 23:36:56,659 INFO L853 garLoopResultBuilder]: At program point L331(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,659 INFO L853 garLoopResultBuilder]: At program point L331-1(lines 316 334) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~3 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (not .cse4) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (not .cse3) .cse2 (<= 1 ~waterLevel~0) .cse5))) [2021-10-28 23:36:56,660 INFO L853 garLoopResultBuilder]: At program point L331-2(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,660 INFO L853 garLoopResultBuilder]: At program point L331-3(lines 316 334) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and (not .cse0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (not .cse3) .cse4 (<= 1 ~waterLevel~0)) (and .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4 .cse3 .cse0))) [2021-10-28 23:36:56,660 INFO L853 garLoopResultBuilder]: At program point L331-4(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,660 INFO L853 garLoopResultBuilder]: At program point L331-5(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,660 INFO L853 garLoopResultBuilder]: At program point L331-6(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,660 INFO L853 garLoopResultBuilder]: At program point L331-7(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,661 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-28 23:36:56,661 INFO L853 garLoopResultBuilder]: At program point L331-8(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,661 INFO L853 garLoopResultBuilder]: At program point L331-9(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,661 INFO L853 garLoopResultBuilder]: At program point L331-10(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,661 INFO L853 garLoopResultBuilder]: At program point L331-11(lines 316 334) the Hoare annotation is: false [2021-10-28 23:36:56,664 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:56,666 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:36:56,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:36:56 BoogieIcfgContainer [2021-10-28 23:36:56,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:36:56,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:36:56,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:36:56,692 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:36:56,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:42" (3/4) ... [2021-10-28 23:36:56,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:36:56,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:36:56,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:36:56,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:36:56,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:36:56,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:36:56,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:36:56,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:36:56,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp == 0) && \result == 0) && 2 <= tmp) [2021-10-28 23:36:56,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && waterLevel == 1) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) [2021-10-28 23:36:56,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) [2021-10-28 23:36:56,793 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp == 0) && \result == 0) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) [2021-10-28 23:36:56,800 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) [2021-10-28 23:36:56,803 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) [2021-10-28 23:36:56,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) && tmp == 0 [2021-10-28 23:36:56,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) [2021-10-28 23:36:56,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 0) && 1 <= tmp___0) && 1 == systemActive) && 1 <= \result) && 1 <= waterLevel) && tmp == 0) && tmp == 0) && tmp == 0 [2021-10-28 23:36:56,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && tmp == 0) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) [2021-10-28 23:36:56,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:36:56,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:36:56,902 INFO L168 Benchmark]: Toolchain (without parser) took 16640.67 ms. Allocated memory was 92.3 MB in the beginning and 197.1 MB in the end (delta: 104.9 MB). Free memory was 55.0 MB in the beginning and 68.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 90.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:56,903 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 72.0 MB in the beginning and 71.9 MB in the end (delta: 117.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:56,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.52 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 54.8 MB in the beginning and 85.3 MB in the end (delta: -30.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:56,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.95 ms. Allocated memory is still 117.4 MB. Free memory was 84.8 MB in the beginning and 80.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:56,904 INFO L168 Benchmark]: Boogie Preprocessor took 72.19 ms. Allocated memory is still 117.4 MB. Free memory was 80.1 MB in the beginning and 76.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:56,904 INFO L168 Benchmark]: RCFGBuilder took 1296.09 ms. Allocated memory is still 117.4 MB. Free memory was 76.4 MB in the beginning and 68.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:56,905 INFO L168 Benchmark]: TraceAbstraction took 14411.36 ms. Allocated memory was 117.4 MB in the beginning and 197.1 MB in the end (delta: 79.7 MB). Free memory was 67.7 MB in the beginning and 84.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 99.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:56,905 INFO L168 Benchmark]: Witness Printer took 209.30 ms. Allocated memory is still 197.1 MB. Free memory was 84.3 MB in the beginning and 68.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:56,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 72.0 MB in the beginning and 71.9 MB in the end (delta: 117.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.52 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 54.8 MB in the beginning and 85.3 MB in the end (delta: -30.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.95 ms. Allocated memory is still 117.4 MB. Free memory was 84.8 MB in the beginning and 80.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.19 ms. Allocated memory is still 117.4 MB. Free memory was 80.1 MB in the beginning and 76.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1296.09 ms. Allocated memory is still 117.4 MB. Free memory was 76.4 MB in the beginning and 68.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14411.36 ms. Allocated memory was 117.4 MB in the beginning and 197.1 MB in the end (delta: 79.7 MB). Free memory was 67.7 MB in the beginning and 84.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 99.0 MB. Max. memory is 16.1 GB. * Witness Printer took 209.30 ms. Allocated memory is still 197.1 MB. Free memory was 84.3 MB in the beginning and 68.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: 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, 189 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2036 SDtfs, 2695 SDslu, 3022 SDs, 0 SdLazy, 473 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 246 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=608occurred in iteration=14, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1809 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 249 NumberOfFragments, 635 HoareAnnotationTreeSize, 67 FomulaSimplifications, 2882035 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 67 FomulaSimplificationsInter, 863643 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 748 NumberOfCodeBlocks, 748 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 731 ConstructedInterpolants, 0 QuantifiedInterpolants, 1198 SizeOfPredicates, 6 NumberOfNonLiveVariables, 964 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 221/229 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: 993]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp == 0) && \result == 0) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp == 0) && \result == 0) && 2 <= tmp) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && tmp == 0) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && waterLevel == 1) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 0) && 1 <= tmp___0) && 1 == systemActive) && 1 <= \result) && 1 <= waterLevel) && tmp == 0) && tmp == 0) && tmp == 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) && tmp == 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:36:57,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fae2d21-0e69-4b3a-8635-798b13f5568d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...