./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.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_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/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_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/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_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/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 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:12:12,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:12:12,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:12:12,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:12:12,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:12:12,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:12:12,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:12:12,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:12:12,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:12:12,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:12:12,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:12:12,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:12:12,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:12:12,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:12:12,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:12:12,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:12:12,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:12:12,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:12:12,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:12:12,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:12:12,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:12:12,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:12:12,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:12:12,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:12:12,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:12:12,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:12:12,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:12:12,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:12:12,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:12:12,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:12:12,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:12:12,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:12:12,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:12:12,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:12:12,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:12:12,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:12:12,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:12:12,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:12:12,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:12:12,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:12:12,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:12:12,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:12:12,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:12:12,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:12:12,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:12:12,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:12:12,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:12:12,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:12:12,682 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:12:12,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:12:12,683 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:12:12,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:12:12,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:12:12,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:12:12,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:12:12,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:12:12,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:12:12,686 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:12:12,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:12:12,687 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:12:12,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:12:12,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:12:12,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:12:12,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:12:12,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:12,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:12:12,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:12:12,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:12:12,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:12:12,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:12:12,690 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:12:12,692 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:12:12,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:12:12,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:12:12,694 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_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 [2021-10-28 23:12:13,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:12:13,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:12:13,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:12:13,113 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:12:13,114 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:12:13,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-28 23:12:13,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/data/1634491bc/099d2e032fad46c9adf441225e2099e3/FLAGc675dbe40 [2021-10-28 23:12:13,888 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:12:13,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-28 23:12:13,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/data/1634491bc/099d2e032fad46c9adf441225e2099e3/FLAGc675dbe40 [2021-10-28 23:12:14,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/data/1634491bc/099d2e032fad46c9adf441225e2099e3 [2021-10-28 23:12:14,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:12:14,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:12:14,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:14,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:12:14,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:12:14,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:14,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ad8231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14, skipping insertion in model container [2021-10-28 23:12:14,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:14,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:12:14,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:12:14,751 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_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2021-10-28 23:12:14,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:14,769 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:12:14,914 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_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2021-10-28 23:12:14,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:14,937 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:12:14,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14 WrapperNode [2021-10-28 23:12:14,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:14,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:14,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:12:14,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:12:14,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:14,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:15,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:12:15,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:12:15,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:12:15,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:12:15,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:12:15,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:12:15,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:12:15,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (1/1) ... [2021-10-28 23:12:15,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:15,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:15,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:15,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:12:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:12:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:12:16,313 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:12:16,317 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-28 23:12:16,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:16 BoogieIcfgContainer [2021-10-28 23:12:16,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:12:16,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:12:16,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:12:16,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:12:16,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:12:14" (1/3) ... [2021-10-28 23:12:16,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c44091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:16, skipping insertion in model container [2021-10-28 23:12:16,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:14" (2/3) ... [2021-10-28 23:12:16,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c44091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:16, skipping insertion in model container [2021-10-28 23:12:16,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:16" (3/3) ... [2021-10-28 23:12:16,336 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2021-10-28 23:12:16,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:12:16,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:12:16,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:12:16,414 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 23:12:16,415 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:12:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 0 states have call successors, (0), 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 23:12:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:12:16,447 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:16,448 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:16,449 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 23:12:16,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:16,456 INFO L85 PathProgramCache]: Analyzing trace with hash 641779472, now seen corresponding path program 1 times [2021-10-28 23:12:16,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:16,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987652500] [2021-10-28 23:12:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:16,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:16,823 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 23:12:16,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:16,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987652500] [2021-10-28 23:12:16,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987652500] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:16,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:16,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:16,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089888888] [2021-10-28 23:12:16,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:12:16,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:16,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:12:16,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:12:16,874 INFO L87 Difference]: Start difference. First operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:16,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:16,947 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2021-10-28 23:12:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:12:16,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 23:12:16,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:16,969 INFO L225 Difference]: With dead ends: 240 [2021-10-28 23:12:16,970 INFO L226 Difference]: Without dead ends: 119 [2021-10-28 23:12:16,976 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 23:12:16,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-28 23:12:17,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-28 23:12:17,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.5) internal successors, (174), 118 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:12:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-10-28 23:12:17,059 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2021-10-28 23:12:17,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:17,061 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-10-28 23:12:17,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-10-28 23:12:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:12:17,067 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:17,067 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:17,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:12:17,068 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 23:12:17,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:17,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1103918604, now seen corresponding path program 1 times [2021-10-28 23:12:17,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:17,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721152180] [2021-10-28 23:12:17,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:17,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:17,270 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 23:12:17,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:17,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721152180] [2021-10-28 23:12:17,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721152180] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:17,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:17,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:12:17,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224395686] [2021-10-28 23:12:17,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:17,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:17,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:17,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:17,277 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:17,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:17,290 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-10-28 23:12:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:17,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 23:12:17,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:17,293 INFO L225 Difference]: With dead ends: 119 [2021-10-28 23:12:17,293 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 23:12:17,295 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 23:12:17,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 23:12:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 23:12:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 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 23:12:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-28 23:12:17,302 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-28 23:12:17,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:17,303 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-28 23:12:17,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:17,304 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-28 23:12:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:12:17,305 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:17,305 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] [2021-10-28 23:12:17,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:12:17,309 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 23:12:17,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:17,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1148023213, now seen corresponding path program 1 times [2021-10-28 23:12:17,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:17,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484262236] [2021-10-28 23:12:17,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:17,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:17,445 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 23:12:17,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:17,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484262236] [2021-10-28 23:12:17,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484262236] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:17,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:17,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:17,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695250064] [2021-10-28 23:12:17,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:17,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:17,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:17,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:17,450 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:17,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:17,460 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-10-28 23:12:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:17,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 23:12:17,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:17,462 INFO L225 Difference]: With dead ends: 92 [2021-10-28 23:12:17,463 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 23:12:17,464 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 23:12:17,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 23:12:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 23:12:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 0 states have call successors, (0), 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 23:12:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-28 23:12:17,472 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-28 23:12:17,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:17,472 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-28 23:12:17,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-28 23:12:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:12:17,475 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:17,475 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] [2021-10-28 23:12:17,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:12:17,476 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 23:12:17,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:17,477 INFO L85 PathProgramCache]: Analyzing trace with hash -43063729, now seen corresponding path program 1 times [2021-10-28 23:12:17,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:17,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93883280] [2021-10-28 23:12:17,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:17,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:17,583 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 23:12:17,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:17,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93883280] [2021-10-28 23:12:17,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93883280] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:17,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:17,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:17,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615607457] [2021-10-28 23:12:17,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:17,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:17,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:17,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:17,588 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:17,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:17,630 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-10-28 23:12:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:17,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 23:12:17,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:17,644 INFO L225 Difference]: With dead ends: 115 [2021-10-28 23:12:17,644 INFO L226 Difference]: Without dead ends: 72 [2021-10-28 23:12:17,645 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 23:12:17,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-28 23:12:17,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-28 23:12:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.434782608695652) internal successors, (99), 69 states have internal predecessors, (99), 0 states have call successors, (0), 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 23:12:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2021-10-28 23:12:17,657 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2021-10-28 23:12:17,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:17,657 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2021-10-28 23:12:17,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:17,658 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-10-28 23:12:17,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:12:17,660 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:17,660 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 23:12:17,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:12:17,661 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 23:12:17,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:17,662 INFO L85 PathProgramCache]: Analyzing trace with hash -743213728, now seen corresponding path program 1 times [2021-10-28 23:12:17,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:17,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549384831] [2021-10-28 23:12:17,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:17,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:17,763 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 23:12:17,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:17,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549384831] [2021-10-28 23:12:17,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549384831] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:17,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:17,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:12:17,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247928801] [2021-10-28 23:12:17,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:12:17,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:17,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:12:17,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:17,768 INFO L87 Difference]: Start difference. First operand 70 states and 99 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 23:12:17,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:17,884 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2021-10-28 23:12:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:12:17,885 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 23:12:17,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:17,887 INFO L225 Difference]: With dead ends: 187 [2021-10-28 23:12:17,887 INFO L226 Difference]: Without dead ends: 123 [2021-10-28 23:12:17,888 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 23:12:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-28 23:12:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2021-10-28 23:12:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4) internal successors, (105), 75 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 23:12:17,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-10-28 23:12:17,899 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2021-10-28 23:12:17,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:17,900 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-28 23:12:17,900 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 23:12:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-10-28 23:12:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:12:17,902 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:17,902 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 23:12:17,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:12:17,903 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 23:12:17,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:17,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1870609821, now seen corresponding path program 1 times [2021-10-28 23:12:17,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:17,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853222004] [2021-10-28 23:12:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:17,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:17,996 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 23:12:17,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:17,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853222004] [2021-10-28 23:12:17,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853222004] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:17,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:17,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:12:17,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621529072] [2021-10-28 23:12:18,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:12:18,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:18,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:12:18,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:18,007 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:18,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:18,146 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2021-10-28 23:12:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:12:18,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 23:12:18,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:18,151 INFO L225 Difference]: With dead ends: 381 [2021-10-28 23:12:18,151 INFO L226 Difference]: Without dead ends: 311 [2021-10-28 23:12:18,152 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 23:12:18,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-10-28 23:12:18,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2021-10-28 23:12:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.3688524590163935) internal successors, (167), 122 states have internal predecessors, (167), 0 states have call successors, (0), 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 23:12:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2021-10-28 23:12:18,175 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2021-10-28 23:12:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:18,176 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2021-10-28 23:12:18,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2021-10-28 23:12:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:12:18,178 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:18,179 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:18,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:12:18,179 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 23:12:18,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1353310945, now seen corresponding path program 1 times [2021-10-28 23:12:18,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:18,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225151368] [2021-10-28 23:12:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:18,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:18,275 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 23:12:18,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:18,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225151368] [2021-10-28 23:12:18,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225151368] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:18,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:18,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:12:18,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387775364] [2021-10-28 23:12:18,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:12:18,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:18,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:12:18,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:12:18,282 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:18,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:18,403 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2021-10-28 23:12:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:12:18,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:12:18,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:18,406 INFO L225 Difference]: With dead ends: 254 [2021-10-28 23:12:18,406 INFO L226 Difference]: Without dead ends: 184 [2021-10-28 23:12:18,407 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 23:12:18,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-10-28 23:12:18,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2021-10-28 23:12:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 180 states have internal predecessors, (246), 0 states have call successors, (0), 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 23:12:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2021-10-28 23:12:18,458 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 33 [2021-10-28 23:12:18,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:18,458 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2021-10-28 23:12:18,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:18,459 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2021-10-28 23:12:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:12:18,464 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:18,465 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:18,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:12:18,466 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 23:12:18,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:18,468 INFO L85 PathProgramCache]: Analyzing trace with hash 342193695, now seen corresponding path program 1 times [2021-10-28 23:12:18,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:18,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324875844] [2021-10-28 23:12:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:18,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:18,564 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 23:12:18,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:18,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324875844] [2021-10-28 23:12:18,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324875844] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:18,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:18,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:12:18,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088729386] [2021-10-28 23:12:18,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:12:18,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:18,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:12:18,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:12:18,570 INFO L87 Difference]: Start difference. First operand 181 states and 246 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:18,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:18,632 INFO L93 Difference]: Finished difference Result 428 states and 593 transitions. [2021-10-28 23:12:18,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:12:18,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:12:18,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:18,636 INFO L225 Difference]: With dead ends: 428 [2021-10-28 23:12:18,636 INFO L226 Difference]: Without dead ends: 299 [2021-10-28 23:12:18,640 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 23:12:18,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-28 23:12:18,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 175. [2021-10-28 23:12:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.367816091954023) internal successors, (238), 174 states have internal predecessors, (238), 0 states have call successors, (0), 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 23:12:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2021-10-28 23:12:18,671 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 33 [2021-10-28 23:12:18,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:18,673 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2021-10-28 23:12:18,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:18,673 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2021-10-28 23:12:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:12:18,680 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:18,681 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:18,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:12:18,681 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 23:12:18,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:18,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1727755226, now seen corresponding path program 1 times [2021-10-28 23:12:18,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:18,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995421404] [2021-10-28 23:12:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:18,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:18,778 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 23:12:18,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:18,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995421404] [2021-10-28 23:12:18,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995421404] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:18,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:18,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:12:18,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673465241] [2021-10-28 23:12:18,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:12:18,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:18,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:12:18,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:12:18,782 INFO L87 Difference]: Start difference. First operand 175 states and 238 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:19,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:19,033 INFO L93 Difference]: Finished difference Result 514 states and 710 transitions. [2021-10-28 23:12:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:12:19,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:12:19,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:19,037 INFO L225 Difference]: With dead ends: 514 [2021-10-28 23:12:19,037 INFO L226 Difference]: Without dead ends: 345 [2021-10-28 23:12:19,043 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:12:19,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-10-28 23:12:19,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 154. [2021-10-28 23:12:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3202614379084967) internal successors, (202), 153 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2021-10-28 23:12:19,075 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 202 transitions. Word has length 33 [2021-10-28 23:12:19,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:19,077 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 202 transitions. [2021-10-28 23:12:19,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:19,077 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2021-10-28 23:12:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:12:19,082 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:19,083 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:19,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:12:19,084 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 23:12:19,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:19,084 INFO L85 PathProgramCache]: Analyzing trace with hash 600359133, now seen corresponding path program 1 times [2021-10-28 23:12:19,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:19,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314233459] [2021-10-28 23:12:19,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:19,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:19,165 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 23:12:19,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:19,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314233459] [2021-10-28 23:12:19,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314233459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:19,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:19,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:12:19,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392766193] [2021-10-28 23:12:19,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:12:19,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:19,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:12:19,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:19,168 INFO L87 Difference]: Start difference. First operand 154 states and 202 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:19,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:19,232 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2021-10-28 23:12:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:12:19,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:12:19,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:19,235 INFO L225 Difference]: With dead ends: 391 [2021-10-28 23:12:19,235 INFO L226 Difference]: Without dead ends: 243 [2021-10-28 23:12:19,236 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 23:12:19,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-10-28 23:12:19,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 142. [2021-10-28 23:12:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.297872340425532) internal successors, (183), 141 states have internal predecessors, (183), 0 states have call successors, (0), 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 23:12:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2021-10-28 23:12:19,253 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 33 [2021-10-28 23:12:19,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:19,254 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2021-10-28 23:12:19,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2021-10-28 23:12:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-28 23:12:19,255 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:19,255 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, 1, 1, 1] [2021-10-28 23:12:19,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:12:19,256 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 23:12:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:19,256 INFO L85 PathProgramCache]: Analyzing trace with hash 241491333, now seen corresponding path program 1 times [2021-10-28 23:12:19,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:19,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143777507] [2021-10-28 23:12:19,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:19,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:19,316 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 23:12:19,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:19,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143777507] [2021-10-28 23:12:19,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143777507] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:19,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:19,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:12:19,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053425060] [2021-10-28 23:12:19,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:12:19,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:19,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:12:19,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:12:19,321 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 23:12:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:19,371 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2021-10-28 23:12:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:12:19,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 52 [2021-10-28 23:12:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:19,375 INFO L225 Difference]: With dead ends: 285 [2021-10-28 23:12:19,375 INFO L226 Difference]: Without dead ends: 175 [2021-10-28 23:12:19,376 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 23:12:19,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-28 23:12:19,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 126. [2021-10-28 23:12:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.304) internal successors, (163), 125 states have internal predecessors, (163), 0 states have call successors, (0), 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 23:12:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2021-10-28 23:12:19,396 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 52 [2021-10-28 23:12:19,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:19,397 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2021-10-28 23:12:19,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 23:12:19,397 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2021-10-28 23:12:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 23:12:19,399 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:19,399 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] [2021-10-28 23:12:19,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:12:19,400 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 23:12:19,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash -330933439, now seen corresponding path program 1 times [2021-10-28 23:12:19,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:19,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298783269] [2021-10-28 23:12:19,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:19,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:19,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:19,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298783269] [2021-10-28 23:12:19,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298783269] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:19,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:19,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:12:19,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675773845] [2021-10-28 23:12:19,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:12:19,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:19,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:12:19,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:19,530 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 23:12:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:19,707 INFO L93 Difference]: Finished difference Result 656 states and 844 transitions. [2021-10-28 23:12:19,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:12:19,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2021-10-28 23:12:19,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:19,718 INFO L225 Difference]: With dead ends: 656 [2021-10-28 23:12:19,718 INFO L226 Difference]: Without dead ends: 536 [2021-10-28 23:12:19,719 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 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 23:12:19,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-28 23:12:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 244. [2021-10-28 23:12:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.2757201646090535) internal successors, (310), 243 states have internal predecessors, (310), 0 states have call successors, (0), 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 23:12:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 310 transitions. [2021-10-28 23:12:19,758 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 310 transitions. Word has length 53 [2021-10-28 23:12:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:19,760 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 310 transitions. [2021-10-28 23:12:19,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 23:12:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 310 transitions. [2021-10-28 23:12:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 23:12:19,762 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:19,762 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, 1, 1, 1] [2021-10-28 23:12:19,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:12:19,763 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 23:12:19,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:19,764 INFO L85 PathProgramCache]: Analyzing trace with hash -454216901, now seen corresponding path program 1 times [2021-10-28 23:12:19,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:19,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282345476] [2021-10-28 23:12:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:19,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:19,859 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 23:12:19,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:19,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282345476] [2021-10-28 23:12:19,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282345476] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:19,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:19,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:12:19,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684928793] [2021-10-28 23:12:19,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:12:19,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:19,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:12:19,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:19,862 INFO L87 Difference]: Start difference. First operand 244 states and 310 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 23:12:19,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:19,943 INFO L93 Difference]: Finished difference Result 516 states and 670 transitions. [2021-10-28 23:12:19,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:12:19,944 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 54 [2021-10-28 23:12:19,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:19,947 INFO L225 Difference]: With dead ends: 516 [2021-10-28 23:12:19,947 INFO L226 Difference]: Without dead ends: 330 [2021-10-28 23:12:19,948 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 23:12:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-10-28 23:12:19,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2021-10-28 23:12:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.2690763052208835) internal successors, (316), 249 states have internal predecessors, (316), 0 states have call successors, (0), 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 23:12:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 316 transitions. [2021-10-28 23:12:19,985 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 316 transitions. Word has length 54 [2021-10-28 23:12:19,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:19,986 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 316 transitions. [2021-10-28 23:12:19,986 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 23:12:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 316 transitions. [2021-10-28 23:12:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 23:12:19,987 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:19,987 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, 1, 1, 1] [2021-10-28 23:12:19,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:12:19,988 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 23:12:19,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:19,988 INFO L85 PathProgramCache]: Analyzing trace with hash -196051463, now seen corresponding path program 1 times [2021-10-28 23:12:19,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:19,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051079029] [2021-10-28 23:12:19,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:19,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:12:20,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:20,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051079029] [2021-10-28 23:12:20,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051079029] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:20,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67336930] [2021-10-28 23:12:20,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:20,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:20,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:20,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:12:20,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:12:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:20,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:12:20,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:12:20,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67336930] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:20,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:12:20,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 23:12:20,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028913768] [2021-10-28 23:12:20,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:12:20,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:20,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:12:20,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:12:20,620 INFO L87 Difference]: Start difference. First operand 250 states and 316 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 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 23:12:20,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:20,827 INFO L93 Difference]: Finished difference Result 608 states and 764 transitions. [2021-10-28 23:12:20,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:12:20,827 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 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 54 [2021-10-28 23:12:20,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:20,830 INFO L225 Difference]: With dead ends: 608 [2021-10-28 23:12:20,831 INFO L226 Difference]: Without dead ends: 364 [2021-10-28 23:12:20,832 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:12:20,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-28 23:12:20,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 236. [2021-10-28 23:12:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.2297872340425533) internal successors, (289), 235 states have internal predecessors, (289), 0 states have call successors, (0), 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 23:12:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2021-10-28 23:12:20,870 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 54 [2021-10-28 23:12:20,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:20,871 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2021-10-28 23:12:20,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 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 23:12:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2021-10-28 23:12:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 23:12:20,872 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:20,873 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:20,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:21,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 23:12:21,096 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 23:12:21,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:21,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1751298828, now seen corresponding path program 1 times [2021-10-28 23:12:21,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:21,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029301962] [2021-10-28 23:12:21,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:21,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:12:21,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:21,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029301962] [2021-10-28 23:12:21,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029301962] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:21,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369538696] [2021-10-28 23:12:21,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:21,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:21,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:21,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:12:21,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:12:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:21,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:12:21,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:12:21,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369538696] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:21,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:12:21,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-28 23:12:21,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684270127] [2021-10-28 23:12:21,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:12:21,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:21,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:12:21,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:12:21,687 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 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 23:12:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:21,959 INFO L93 Difference]: Finished difference Result 814 states and 1020 transitions. [2021-10-28 23:12:21,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:12:21,959 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 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 55 [2021-10-28 23:12:21,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:21,960 INFO L225 Difference]: With dead ends: 814 [2021-10-28 23:12:21,960 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:12:21,963 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:12:21,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:12:21,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:12:21,964 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 23:12:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:12:21,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-10-28 23:12:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:21,965 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:12:21,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 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 23:12:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:12:21,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:12:21,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:12:21,970 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:12:21,970 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:12:22,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:22,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-28 23:12:22,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:12:22,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:22,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:23,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:24,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:30,910 INFO L853 garLoopResultBuilder]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2021-10-28 23:12:30,910 INFO L860 garLoopResultBuilder]: At program point L960(lines 941 963) the Hoare annotation is: true [2021-10-28 23:12:30,911 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-28 23:12:30,911 INFO L853 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:12:30,911 INFO L853 garLoopResultBuilder]: At program point L234(lines 219 237) the Hoare annotation is: false [2021-10-28 23:12:30,911 INFO L853 garLoopResultBuilder]: At program point L234-1(lines 219 237) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse5 (= 1 ~systemActive~0)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse10 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse11 .cse12 .cse13 .cse14 .cse5 .cse10 .cse15) (and .cse0 .cse1 .cse11 .cse3 .cse12 .cse13 .cse14 .cse5 .cse15))) [2021-10-28 23:12:30,911 INFO L853 garLoopResultBuilder]: At program point L234-2(lines 219 237) the Hoare annotation is: false [2021-10-28 23:12:30,912 INFO L853 garLoopResultBuilder]: At program point L234-3(lines 219 237) the Hoare annotation is: false [2021-10-28 23:12:30,912 INFO L853 garLoopResultBuilder]: At program point L234-4(lines 219 237) the Hoare annotation is: false [2021-10-28 23:12:30,912 INFO L853 garLoopResultBuilder]: At program point L234-5(lines 219 237) the Hoare annotation is: false [2021-10-28 23:12:30,912 INFO L853 garLoopResultBuilder]: At program point L928(lines 924 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:12:30,912 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 312) no Hoare annotation was computed. [2021-10-28 23:12:30,912 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2021-10-28 23:12:30,912 INFO L857 garLoopResultBuilder]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2021-10-28 23:12:30,913 INFO L857 garLoopResultBuilder]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2021-10-28 23:12:30,913 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 112) no Hoare annotation was computed. [2021-10-28 23:12:30,913 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 104 112) no Hoare annotation was computed. [2021-10-28 23:12:30,913 INFO L857 garLoopResultBuilder]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2021-10-28 23:12:30,913 INFO L857 garLoopResultBuilder]: For program point L104-3(lines 104 112) no Hoare annotation was computed. [2021-10-28 23:12:30,913 INFO L857 garLoopResultBuilder]: For program point L104-4(lines 104 112) no Hoare annotation was computed. [2021-10-28 23:12:30,913 INFO L857 garLoopResultBuilder]: For program point L104-5(lines 104 112) no Hoare annotation was computed. [2021-10-28 23:12:30,913 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 357) no Hoare annotation was computed. [2021-10-28 23:12:30,914 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2021-10-28 23:12:30,914 INFO L857 garLoopResultBuilder]: For program point L337-4(lines 337 357) no Hoare annotation was computed. [2021-10-28 23:12:30,914 INFO L853 garLoopResultBuilder]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 (<= ~waterLevel~0 2) .cse7 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse4 .cse5 .cse10 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~1 0) .cse8) (and .cse9 .cse0 .cse3 .cse2 .cse4 .cse5 .cse10 .cse6))) [2021-10-28 23:12:30,914 INFO L853 garLoopResultBuilder]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2021-10-28 23:12:30,914 INFO L853 garLoopResultBuilder]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2021-10-28 23:12:30,914 INFO L857 garLoopResultBuilder]: For program point L272(lines 271 316) no Hoare annotation was computed. [2021-10-28 23:12:30,915 INFO L853 garLoopResultBuilder]: At program point L405(lines 400 408) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (not .cse1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse14 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse15 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse6 .cse7 .cse13 .cse5 .cse8 .cse14 .cse9 .cse15 .cse16 .cse11 .cse12) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse5 .cse9 .cse10 .cse12) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse13 .cse5 .cse14 .cse9 .cse15 .cse16 .cse12) (and .cse0 .cse1 .cse4 .cse5 .cse8 .cse11)))) [2021-10-28 23:12:30,915 INFO L853 garLoopResultBuilder]: At program point L405-1(lines 400 408) the Hoare annotation is: false [2021-10-28 23:12:30,915 INFO L853 garLoopResultBuilder]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2021-10-28 23:12:30,915 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2021-10-28 23:12:30,915 INFO L853 garLoopResultBuilder]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 0))) (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not .cse12)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse13 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse11 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse12 .cse3 .cse13 .cse5) (and .cse0 .cse1 .cse2 .cse13 .cse5 .cse11 .cse7 .cse14 .cse10) (and .cse0 .cse12 .cse13 .cse5 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse5 .cse7 .cse14 .cse10)))) [2021-10-28 23:12:30,915 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2021-10-28 23:12:30,916 INFO L853 garLoopResultBuilder]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2021-10-28 23:12:30,916 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-28 23:12:30,916 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-10-28 23:12:30,916 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 68 74) no Hoare annotation was computed. [2021-10-28 23:12:30,916 INFO L857 garLoopResultBuilder]: For program point L969(line 969) no Hoare annotation was computed. [2021-10-28 23:12:30,916 INFO L857 garLoopResultBuilder]: For program point L969-1(line 969) no Hoare annotation was computed. [2021-10-28 23:12:30,916 INFO L857 garLoopResultBuilder]: For program point L969-2(line 969) no Hoare annotation was computed. [2021-10-28 23:12:30,917 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 356) no Hoare annotation was computed. [2021-10-28 23:12:30,917 INFO L853 garLoopResultBuilder]: At program point L343-1(lines 1 972) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse19 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse18 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse20 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (not .cse1)) (.cse12 (<= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse15 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 1)) (.cse17 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse3 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse0 .cse7 .cse9 .cse2 .cse3 .cse4 .cse14 .cse18 .cse5 .cse6 .cse17) (and .cse19 .cse0 .cse1 .cse8 .cse10 .cse11 .cse2 .cse3 .cse20) (and .cse19 .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse2 .cse3 .cse14 .cse18 .cse20 .cse17) (and .cse0 .cse7 .cse9 .cse12 .cse3 .cse4 .cse13 .cse14 .cse15 .cse16 .cse5 .cse6 .cse17) (and .cse0 .cse1 .cse11 .cse3 (= ~waterLevel~0 1))))) [2021-10-28 23:12:30,917 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 343 356) no Hoare annotation was computed. [2021-10-28 23:12:30,917 INFO L853 garLoopResultBuilder]: At program point L343-3(lines 1 972) the Hoare annotation is: false [2021-10-28 23:12:30,917 INFO L857 garLoopResultBuilder]: For program point L343-4(lines 343 356) no Hoare annotation was computed. [2021-10-28 23:12:30,921 INFO L853 garLoopResultBuilder]: At program point L343-5(lines 1 972) the Hoare annotation is: false [2021-10-28 23:12:30,921 INFO L853 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ~methaneLevelCritical~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) [2021-10-28 23:12:30,921 INFO L853 garLoopResultBuilder]: At program point L179-1(lines 174 182) the Hoare annotation is: false [2021-10-28 23:12:30,922 INFO L853 garLoopResultBuilder]: At program point L179-2(lines 174 182) the Hoare annotation is: false [2021-10-28 23:12:30,922 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-10-28 23:12:30,923 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2021-10-28 23:12:30,923 INFO L857 garLoopResultBuilder]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2021-10-28 23:12:30,923 INFO L857 garLoopResultBuilder]: For program point L445-3(lines 445 451) no Hoare annotation was computed. [2021-10-28 23:12:30,923 INFO L857 garLoopResultBuilder]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2021-10-28 23:12:30,923 INFO L857 garLoopResultBuilder]: For program point L445-5(lines 445 451) no Hoare annotation was computed. [2021-10-28 23:12:30,923 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 251) no Hoare annotation was computed. [2021-10-28 23:12:30,923 INFO L857 garLoopResultBuilder]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2021-10-28 23:12:30,923 INFO L857 garLoopResultBuilder]: For program point L247-3(lines 247 251) no Hoare annotation was computed. [2021-10-28 23:12:30,924 INFO L857 garLoopResultBuilder]: For program point L247-5(lines 247 251) no Hoare annotation was computed. [2021-10-28 23:12:30,924 INFO L857 garLoopResultBuilder]: For program point L247-6(lines 247 251) no Hoare annotation was computed. [2021-10-28 23:12:30,924 INFO L857 garLoopResultBuilder]: For program point L247-8(lines 247 251) no Hoare annotation was computed. [2021-10-28 23:12:30,924 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2021-10-28 23:12:30,924 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 353) no Hoare annotation was computed. [2021-10-28 23:12:30,924 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-10-28 23:12:30,924 INFO L857 garLoopResultBuilder]: For program point L347-2(lines 347 353) no Hoare annotation was computed. [2021-10-28 23:12:30,925 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse19 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse14 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse11 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse17 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1)) (.cse18 (let ((.cse20 (not .cse10))) (or (and .cse0 .cse20 .cse2 .cse5 .cse19) (and .cse0 .cse20 .cse13 .cse2 .cse5)))) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse2 .cse3 .cse7 .cse8) (and .cse0 .cse10 .cse12 .cse13 .cse2 .cse4) (and .cse14 .cse0 .cse10 .cse15 .cse16 .cse12 .cse2 .cse4 .cse17) (and .cse18 .cse1 .cse3 .cse4 .cse7 .cse8 .cse9) (and .cse14 .cse0 .cse1 .cse15 .cse16 .cse12 .cse11 .cse2 .cse5 .cse6 .cse17 .cse9) (and .cse18 .cse1 .cse15 .cse16 .cse12 .cse4 .cse9) (and .cse0 .cse10 .cse12 .cse2 .cse19) (and .cse0 .cse10 .cse13 .cse2 .cse3 .cse4 .cse7 .cse8)))) [2021-10-28 23:12:30,925 INFO L857 garLoopResultBuilder]: For program point L347-4(lines 347 353) no Hoare annotation was computed. [2021-10-28 23:12:30,925 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:12:30,925 INFO L853 garLoopResultBuilder]: At program point L317(lines 270 318) the Hoare annotation is: false [2021-10-28 23:12:30,925 INFO L853 garLoopResultBuilder]: At program point L450(lines 441 454) the Hoare annotation is: false [2021-10-28 23:12:30,925 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 441 454) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse9 .cse7 .cse8 .cse3) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5 .cse6))) [2021-10-28 23:12:30,926 INFO L853 garLoopResultBuilder]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2021-10-28 23:12:30,926 INFO L853 garLoopResultBuilder]: At program point L450-3(lines 441 454) the Hoare annotation is: false [2021-10-28 23:12:30,926 INFO L853 garLoopResultBuilder]: At program point L450-4(lines 441 454) the Hoare annotation is: false [2021-10-28 23:12:30,926 INFO L853 garLoopResultBuilder]: At program point L450-5(lines 441 454) the Hoare annotation is: false [2021-10-28 23:12:30,927 INFO L853 garLoopResultBuilder]: At program point L880-2(lines 880 894) the Hoare annotation is: false [2021-10-28 23:12:30,927 INFO L853 garLoopResultBuilder]: At program point L253(lines 238 256) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6))) [2021-10-28 23:12:30,927 INFO L853 garLoopResultBuilder]: At program point L253-1(lines 238 256) the Hoare annotation is: false [2021-10-28 23:12:30,927 INFO L853 garLoopResultBuilder]: At program point L253-2(lines 238 256) the Hoare annotation is: false [2021-10-28 23:12:30,927 INFO L857 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2021-10-28 23:12:30,927 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:12:30,927 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-10-28 23:12:30,928 INFO L857 garLoopResultBuilder]: For program point L884-1(lines 68 74) no Hoare annotation was computed. [2021-10-28 23:12:30,928 INFO L857 garLoopResultBuilder]: For program point L951(lines 951 958) no Hoare annotation was computed. [2021-10-28 23:12:30,928 INFO L860 garLoopResultBuilder]: At program point L951-1(lines 951 958) the Hoare annotation is: true [2021-10-28 23:12:30,928 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-10-28 23:12:30,928 INFO L853 garLoopResultBuilder]: At program point L291-1(lines 291 297) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse5 (let ((.cse11 (not .cse1))) (or (and .cse0 .cse11 .cse2 .cse9 (= ~waterLevel~0 1)) (and .cse0 .cse11 (<= 2 ~waterLevel~0) .cse2 .cse9)))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4 .cse8) (and .cse0 .cse6 .cse7 (<= ~waterLevel~0 1) .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse7 .cse2 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse9 .cse10 .cse8) (and .cse5 .cse6 .cse3 .cse4 .cse8)))) [2021-10-28 23:12:30,928 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 143) no Hoare annotation was computed. [2021-10-28 23:12:30,928 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 126 143) no Hoare annotation was computed. [2021-10-28 23:12:30,928 INFO L857 garLoopResultBuilder]: For program point L126-2(lines 126 143) no Hoare annotation was computed. [2021-10-28 23:12:30,929 INFO L853 garLoopResultBuilder]: At program point L490(lines 1 972) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:12:30,929 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:12:30,929 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2021-10-28 23:12:30,929 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,929 INFO L857 garLoopResultBuilder]: For program point L228-2(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,929 INFO L857 garLoopResultBuilder]: For program point L228-3(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,930 INFO L857 garLoopResultBuilder]: For program point L228-5(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,930 INFO L857 garLoopResultBuilder]: For program point L228-6(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,930 INFO L857 garLoopResultBuilder]: For program point L228-8(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,930 INFO L857 garLoopResultBuilder]: For program point L228-9(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,931 INFO L857 garLoopResultBuilder]: For program point L228-11(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,931 INFO L857 garLoopResultBuilder]: For program point L228-12(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,931 INFO L857 garLoopResultBuilder]: For program point L228-14(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,931 INFO L857 garLoopResultBuilder]: For program point L228-15(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,931 INFO L857 garLoopResultBuilder]: For program point L228-17(lines 228 232) no Hoare annotation was computed. [2021-10-28 23:12:30,931 INFO L853 garLoopResultBuilder]: At program point L460(lines 455 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6))) [2021-10-28 23:12:30,931 INFO L853 garLoopResultBuilder]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2021-10-28 23:12:30,932 INFO L853 garLoopResultBuilder]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2021-10-28 23:12:30,932 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 138) no Hoare annotation was computed. [2021-10-28 23:12:30,932 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 138) no Hoare annotation was computed. [2021-10-28 23:12:30,932 INFO L857 garLoopResultBuilder]: For program point L130-2(lines 130 138) no Hoare annotation was computed. [2021-10-28 23:12:30,932 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:12:30,933 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-28 23:12:30,933 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 117) no Hoare annotation was computed. [2021-10-28 23:12:30,933 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 100 117) no Hoare annotation was computed. [2021-10-28 23:12:30,933 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 100 117) no Hoare annotation was computed. [2021-10-28 23:12:30,939 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 117) no Hoare annotation was computed. [2021-10-28 23:12:30,939 INFO L857 garLoopResultBuilder]: For program point L100-4(lines 100 117) no Hoare annotation was computed. [2021-10-28 23:12:30,939 INFO L857 garLoopResultBuilder]: For program point L100-5(lines 100 117) no Hoare annotation was computed. [2021-10-28 23:12:30,939 INFO L853 garLoopResultBuilder]: At program point L68(lines 67 86) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9) (and .cse0 .cse5 .cse7 .cse2 .cse3 .cse8 .cse9) (and .cse0 .cse1 .cse6 .cse2 .cse4))) [2021-10-28 23:12:30,939 INFO L857 garLoopResultBuilder]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2021-10-28 23:12:30,940 INFO L853 garLoopResultBuilder]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2021-10-28 23:12:30,943 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:30,945 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:12:31,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:12:31 BoogieIcfgContainer [2021-10-28 23:12:31,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:12:31,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:12:31,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:12:31,059 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:12:31,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:16" (3/4) ... [2021-10-28 23:12:31,063 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:12:31,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:12:31,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:12:31,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:12:31,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:12:31,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:12:31,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:12:31,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:12:31,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-28 23:12:31,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && tmp___0 == 1)) || (((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) [2021-10-28 23:12:31,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp___0 == 1) [2021-10-28 23:12:31,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && \result == 1) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 23:12:31,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1) [2021-10-28 23:12:31,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-28 23:12:31,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) [2021-10-28 23:12:31,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 0) [2021-10-28 23:12:31,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) [2021-10-28 23:12:31,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) [2021-10-28 23:12:31,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) [2021-10-28 23:12:31,151 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1 [2021-10-28 23:12:31,241 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:12:31,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:12:31,243 INFO L168 Benchmark]: Toolchain (without parser) took 17032.50 ms. Allocated memory was 111.1 MB in the beginning and 224.4 MB in the end (delta: 113.2 MB). Free memory was 71.6 MB in the beginning and 113.8 MB in the end (delta: -42.2 MB). Peak memory consumption was 69.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:31,243 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory was 89.9 MB in the beginning and 89.8 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:31,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.13 ms. Allocated memory is still 111.1 MB. Free memory was 71.5 MB in the beginning and 77.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:31,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.97 ms. Allocated memory is still 111.1 MB. Free memory was 77.1 MB in the beginning and 73.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:31,245 INFO L168 Benchmark]: Boogie Preprocessor took 101.80 ms. Allocated memory is still 111.1 MB. Free memory was 73.5 MB in the beginning and 70.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:31,245 INFO L168 Benchmark]: RCFGBuilder took 1182.53 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 70.7 MB in the beginning and 107.6 MB in the end (delta: -36.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:31,246 INFO L168 Benchmark]: TraceAbstraction took 14733.53 ms. Allocated memory was 148.9 MB in the beginning and 224.4 MB in the end (delta: 75.5 MB). Free memory was 106.9 MB in the beginning and 124.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 118.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:31,247 INFO L168 Benchmark]: Witness Printer took 182.24 ms. Allocated memory is still 224.4 MB. Free memory was 124.3 MB in the beginning and 113.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:31,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory was 89.9 MB in the beginning and 89.8 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 726.13 ms. Allocated memory is still 111.1 MB. Free memory was 71.5 MB in the beginning and 77.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.97 ms. Allocated memory is still 111.1 MB. Free memory was 77.1 MB in the beginning and 73.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.80 ms. Allocated memory is still 111.1 MB. Free memory was 73.5 MB in the beginning and 70.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1182.53 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 70.7 MB in the beginning and 107.6 MB in the end (delta: -36.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14733.53 ms. Allocated memory was 148.9 MB in the beginning and 224.4 MB in the end (delta: 75.5 MB). Free memory was 106.9 MB in the beginning and 124.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 118.0 MB. Max. memory is 16.1 GB. * Witness Printer took 182.24 ms. Allocated memory is still 224.4 MB. Free memory was 124.3 MB in the beginning and 113.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 969]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 969]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 969]: 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, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1521 SDtfs, 2108 SDslu, 2659 SDs, 0 SdLazy, 365 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=13, InterpolantAutomatonStates: 83, 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, 1205 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 252 NumberOfFragments, 1631 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2125027 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 45 FomulaSimplificationsInter, 603033 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 1282 SizeOfPredicates, 6 NumberOfNonLiveVariables, 879 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 86/102 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: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp___0 == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && \result == 1) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && tmp___0 == 1)) || (((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:12:31,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24d38b5-f9d1-4dde-837b-c5760b5dbe20/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...