./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G --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 1741a5d4e19b6faba6ff51056891b76c8b4c0acd4f550f71706571820842dcfa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:14:38,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:14:38,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:14:38,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:14:38,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:14:38,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:14:38,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:14:38,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:14:38,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:14:38,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:14:38,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:14:38,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:14:38,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:14:38,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:14:38,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:14:38,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:14:38,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:14:38,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:14:38,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:14:38,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:14:38,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:14:38,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:14:38,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:14:38,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:14:38,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:14:38,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:14:38,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:14:38,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:14:38,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:14:38,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:14:38,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:14:38,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:14:38,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:14:38,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:14:38,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:14:38,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:14:38,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:14:38,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:14:38,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:14:38,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:14:38,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:14:38,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 14:14:38,417 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:14:38,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:14:38,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:14:38,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:14:38,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:14:38,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:14:38,420 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:14:38,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:14:38,421 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:14:38,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:14:38,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:14:38,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:14:38,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:14:38,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:14:38,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:14:38,422 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:14:38,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:14:38,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:14:38,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:14:38,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:14:38,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:14:38,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:14:38,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:14:38,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:14:38,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:14:38,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:14:38,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:14:38,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:14:38,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:14:38,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 14:14:38,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:14:38,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:14:38,427 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_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1741a5d4e19b6faba6ff51056891b76c8b4c0acd4f550f71706571820842dcfa [2021-11-23 14:14:38,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:14:38,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:14:38,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:14:38,705 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:14:38,705 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:14:38,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-11-23 14:14:38,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/data/b069e6f1b/0fbcabc6ae1943e1aa04a8afeaa2e3cf/FLAGf056f7443 [2021-11-23 14:14:39,269 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:14:39,269 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-11-23 14:14:39,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/data/b069e6f1b/0fbcabc6ae1943e1aa04a8afeaa2e3cf/FLAGf056f7443 [2021-11-23 14:14:39,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/data/b069e6f1b/0fbcabc6ae1943e1aa04a8afeaa2e3cf [2021-11-23 14:14:39,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:14:39,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:14:39,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:14:39,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:14:39,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:14:39,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:39" (1/1) ... [2021-11-23 14:14:39,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27801cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:39, skipping insertion in model container [2021-11-23 14:14:39,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:39" (1/1) ... [2021-11-23 14:14:39,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:14:39,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:14:39,894 WARN L230 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_4575df6c-9cb7-421e-809a-cc9812ac618e/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6887,6900] [2021-11-23 14:14:39,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:14:39,999 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:14:40,068 WARN L230 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_4575df6c-9cb7-421e-809a-cc9812ac618e/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6887,6900] [2021-11-23 14:14:40,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:14:40,135 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:14:40,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40 WrapperNode [2021-11-23 14:14:40,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:14:40,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:14:40,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:14:40,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:14:40,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,247 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 57, calls inlined = 139, statements flattened = 1061 [2021-11-23 14:14:40,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:14:40,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:14:40,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:14:40,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:14:40,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:14:40,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:14:40,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:14:40,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:14:40,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (1/1) ... [2021-11-23 14:14:40,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:14:40,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:40,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:40,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:14:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:14:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:14:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:14:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:14:40,569 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:14:40,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:14:41,471 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:14:41,484 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:14:41,484 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 14:14:41,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:41 BoogieIcfgContainer [2021-11-23 14:14:41,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:14:41,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:14:41,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:14:41,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:14:41,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:14:39" (1/3) ... [2021-11-23 14:14:41,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c76318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:14:41, skipping insertion in model container [2021-11-23 14:14:41,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:40" (2/3) ... [2021-11-23 14:14:41,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c76318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:14:41, skipping insertion in model container [2021-11-23 14:14:41,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:41" (3/3) ... [2021-11-23 14:14:41,503 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2021-11-23 14:14:41,509 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:14:41,509 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 14:14:41,564 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 14:14:41,572 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 [2021-11-23 14:14:41,572 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 14:14:41,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 277 states, 273 states have (on average 1.380952380952381) internal successors, (377), 276 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 14:14:41,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:41,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:41,604 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:41,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:41,610 INFO L85 PathProgramCache]: Analyzing trace with hash 934506582, now seen corresponding path program 1 times [2021-11-23 14:14:41,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:41,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022596558] [2021-11-23 14:14:41,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:41,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:41,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:41,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022596558] [2021-11-23 14:14:41,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022596558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:41,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:41,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:14:41,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195865939] [2021-11-23 14:14:41,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:41,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:14:41,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:41,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:14:41,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:14:41,935 INFO L87 Difference]: Start difference. First operand has 277 states, 273 states have (on average 1.380952380952381) internal successors, (377), 276 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:42,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:42,012 INFO L93 Difference]: Finished difference Result 544 states and 743 transitions. [2021-11-23 14:14:42,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:14:42,015 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-23 14:14:42,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:42,027 INFO L225 Difference]: With dead ends: 544 [2021-11-23 14:14:42,028 INFO L226 Difference]: Without dead ends: 267 [2021-11-23 14:14:42,032 INFO L932 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 [2021-11-23 14:14:42,037 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:42,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:42,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-11-23 14:14:42,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2021-11-23 14:14:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 264 states have (on average 1.3598484848484849) internal successors, (359), 266 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 359 transitions. [2021-11-23 14:14:42,107 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 359 transitions. Word has length 17 [2021-11-23 14:14:42,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:42,108 INFO L470 AbstractCegarLoop]: Abstraction has 267 states and 359 transitions. [2021-11-23 14:14:42,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 359 transitions. [2021-11-23 14:14:42,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 14:14:42,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:42,110 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:42,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:14:42,111 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:42,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:42,111 INFO L85 PathProgramCache]: Analyzing trace with hash -705167494, now seen corresponding path program 1 times [2021-11-23 14:14:42,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:42,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923967994] [2021-11-23 14:14:42,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:42,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:42,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:42,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923967994] [2021-11-23 14:14:42,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923967994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:42,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:42,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:14:42,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565161603] [2021-11-23 14:14:42,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:42,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:14:42,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:42,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:14:42,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:14:42,179 INFO L87 Difference]: Start difference. First operand 267 states and 359 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-23 14:14:42,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:42,224 INFO L93 Difference]: Finished difference Result 267 states and 359 transitions. [2021-11-23 14:14:42,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:14:42,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 [2021-11-23 14:14:42,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:42,234 INFO L225 Difference]: With dead ends: 267 [2021-11-23 14:14:42,237 INFO L226 Difference]: Without dead ends: 104 [2021-11-23 14:14:42,238 INFO L932 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 [2021-11-23 14:14:42,240 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 131 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:42,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-23 14:14:42,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-11-23 14:14:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 103 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 139 transitions. [2021-11-23 14:14:42,262 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 139 transitions. Word has length 18 [2021-11-23 14:14:42,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:42,262 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-11-23 14:14:42,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-23 14:14:42,263 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 139 transitions. [2021-11-23 14:14:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 14:14:42,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:42,264 INFO L514 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] [2021-11-23 14:14:42,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:14:42,265 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:42,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash -374239661, now seen corresponding path program 1 times [2021-11-23 14:14:42,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:42,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974259591] [2021-11-23 14:14:42,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:42,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:42,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:42,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974259591] [2021-11-23 14:14:42,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974259591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:42,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:42,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:14:42,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130364130] [2021-11-23 14:14:42,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:42,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:14:42,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:42,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:14:42,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:14:42,392 INFO L87 Difference]: Start difference. First operand 104 states and 139 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:42,484 INFO L93 Difference]: Finished difference Result 327 states and 443 transitions. [2021-11-23 14:14:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:14:42,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-23 14:14:42,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:42,487 INFO L225 Difference]: With dead ends: 327 [2021-11-23 14:14:42,487 INFO L226 Difference]: Without dead ends: 230 [2021-11-23 14:14:42,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:14:42,489 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 516 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:42,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [516 Valid, 690 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-11-23 14:14:42,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 129. [2021-11-23 14:14:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 1.359375) internal successors, (174), 128 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) [2021-11-23 14:14:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 174 transitions. [2021-11-23 14:14:42,512 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 174 transitions. Word has length 24 [2021-11-23 14:14:42,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:42,512 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 174 transitions. [2021-11-23 14:14:42,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 174 transitions. [2021-11-23 14:14:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 14:14:42,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:42,514 INFO L514 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] [2021-11-23 14:14:42,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:14:42,515 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:42,516 INFO L85 PathProgramCache]: Analyzing trace with hash 851701320, now seen corresponding path program 1 times [2021-11-23 14:14:42,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:42,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527421295] [2021-11-23 14:14:42,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:42,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:42,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:42,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527421295] [2021-11-23 14:14:42,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527421295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:42,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:42,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 14:14:42,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867806563] [2021-11-23 14:14:42,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:42,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 14:14:42,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:42,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 14:14:42,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:14:42,651 INFO L87 Difference]: Start difference. First operand 129 states and 174 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:43,045 INFO L93 Difference]: Finished difference Result 977 states and 1347 transitions. [2021-11-23 14:14:43,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 14:14:43,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-11-23 14:14:43,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:43,055 INFO L225 Difference]: With dead ends: 977 [2021-11-23 14:14:43,055 INFO L226 Difference]: Without dead ends: 855 [2021-11-23 14:14:43,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-11-23 14:14:43,069 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 1281 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:43,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1281 Valid, 1581 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 14:14:43,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-11-23 14:14:43,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 355. [2021-11-23 14:14:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 354 states have (on average 1.3389830508474576) internal successors, (474), 354 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 474 transitions. [2021-11-23 14:14:43,152 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 474 transitions. Word has length 28 [2021-11-23 14:14:43,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:43,153 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 474 transitions. [2021-11-23 14:14:43,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 474 transitions. [2021-11-23 14:14:43,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 14:14:43,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:43,163 INFO L514 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] [2021-11-23 14:14:43,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 14:14:43,163 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:43,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:43,168 INFO L85 PathProgramCache]: Analyzing trace with hash -605215795, now seen corresponding path program 1 times [2021-11-23 14:14:43,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:43,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379984998] [2021-11-23 14:14:43,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:43,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:43,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:43,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379984998] [2021-11-23 14:14:43,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379984998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:43,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:43,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:14:43,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567845124] [2021-11-23 14:14:43,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:43,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:14:43,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:43,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:14:43,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:14:43,237 INFO L87 Difference]: Start difference. First operand 355 states and 474 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:43,299 INFO L93 Difference]: Finished difference Result 692 states and 926 transitions. [2021-11-23 14:14:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:14:43,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 14:14:43,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:43,303 INFO L225 Difference]: With dead ends: 692 [2021-11-23 14:14:43,303 INFO L226 Difference]: Without dead ends: 344 [2021-11-23 14:14:43,304 INFO L932 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 [2021-11-23 14:14:43,305 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 63 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:43,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 161 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:43,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-11-23 14:14:43,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2021-11-23 14:14:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 1.284457478005865) internal successors, (438), 341 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 438 transitions. [2021-11-23 14:14:43,337 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 438 transitions. Word has length 30 [2021-11-23 14:14:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:43,338 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 438 transitions. [2021-11-23 14:14:43,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 438 transitions. [2021-11-23 14:14:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 14:14:43,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:43,340 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:43,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 14:14:43,341 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:43,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:43,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1095698258, now seen corresponding path program 1 times [2021-11-23 14:14:43,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:43,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116727527] [2021-11-23 14:14:43,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:43,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:43,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:43,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116727527] [2021-11-23 14:14:43,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116727527] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:14:43,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883874917] [2021-11-23 14:14:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:43,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:14:43,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:43,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:14:43,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 14:14:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:43,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 14:14:43,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:14:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:43,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:14:43,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883874917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:43,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:14:43,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-11-23 14:14:43,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287663905] [2021-11-23 14:14:43,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:43,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 14:14:43,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:43,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:14:43,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:14:43,729 INFO L87 Difference]: Start difference. First operand 342 states and 438 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:43,822 INFO L93 Difference]: Finished difference Result 763 states and 991 transitions. [2021-11-23 14:14:43,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:14:43,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-11-23 14:14:43,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:43,827 INFO L225 Difference]: With dead ends: 763 [2021-11-23 14:14:43,827 INFO L226 Difference]: Without dead ends: 510 [2021-11-23 14:14:43,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:14:43,829 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 168 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:43,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 392 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:43,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2021-11-23 14:14:43,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 495. [2021-11-23 14:14:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 494 states have (on average 1.2955465587044535) internal successors, (640), 494 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 640 transitions. [2021-11-23 14:14:43,877 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 640 transitions. Word has length 48 [2021-11-23 14:14:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:43,878 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 640 transitions. [2021-11-23 14:14:43,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 640 transitions. [2021-11-23 14:14:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 14:14:43,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:43,880 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:43,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:44,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:14:44,093 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:44,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:44,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1865136418, now seen corresponding path program 1 times [2021-11-23 14:14:44,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:44,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993111095] [2021-11-23 14:14:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:44,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 14:14:44,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:44,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993111095] [2021-11-23 14:14:44,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993111095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:44,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:44,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:14:44,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397964073] [2021-11-23 14:14:44,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:44,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:14:44,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:44,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:14:44,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:14:44,146 INFO L87 Difference]: Start difference. First operand 495 states and 640 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:44,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:44,277 INFO L93 Difference]: Finished difference Result 1491 states and 1924 transitions. [2021-11-23 14:14:44,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:14:44,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-23 14:14:44,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:44,294 INFO L225 Difference]: With dead ends: 1491 [2021-11-23 14:14:44,294 INFO L226 Difference]: Without dead ends: 1003 [2021-11-23 14:14:44,296 INFO L932 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 [2021-11-23 14:14:44,297 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 204 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:44,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 526 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:44,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2021-11-23 14:14:44,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 525. [2021-11-23 14:14:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.2786259541984732) internal successors, (670), 524 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 670 transitions. [2021-11-23 14:14:44,353 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 670 transitions. Word has length 61 [2021-11-23 14:14:44,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:44,354 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 670 transitions. [2021-11-23 14:14:44,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:44,354 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 670 transitions. [2021-11-23 14:14:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 14:14:44,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:44,357 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:44,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 14:14:44,357 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:44,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash 835777120, now seen corresponding path program 1 times [2021-11-23 14:14:44,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:44,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903234473] [2021-11-23 14:14:44,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:44,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 14:14:44,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:44,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903234473] [2021-11-23 14:14:44,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903234473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:44,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:44,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:14:44,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774591759] [2021-11-23 14:14:44,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:44,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:14:44,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:44,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:14:44,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:14:44,485 INFO L87 Difference]: Start difference. First operand 525 states and 670 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:44,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:44,574 INFO L93 Difference]: Finished difference Result 1056 states and 1349 transitions. [2021-11-23 14:14:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:14:44,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-23 14:14:44,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:44,581 INFO L225 Difference]: With dead ends: 1056 [2021-11-23 14:14:44,581 INFO L226 Difference]: Without dead ends: 538 [2021-11-23 14:14:44,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:14:44,584 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 104 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:44,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 298 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-11-23 14:14:44,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 497. [2021-11-23 14:14:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 496 states have (on average 1.2762096774193548) internal successors, (633), 496 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 633 transitions. [2021-11-23 14:14:44,650 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 633 transitions. Word has length 61 [2021-11-23 14:14:44,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:44,651 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 633 transitions. [2021-11-23 14:14:44,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 633 transitions. [2021-11-23 14:14:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 14:14:44,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:44,653 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:44,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 14:14:44,654 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:44,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:44,654 INFO L85 PathProgramCache]: Analyzing trace with hash 335601881, now seen corresponding path program 1 times [2021-11-23 14:14:44,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:44,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560472416] [2021-11-23 14:14:44,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:44,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 14:14:44,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:44,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560472416] [2021-11-23 14:14:44,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560472416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:44,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:44,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:14:44,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966169395] [2021-11-23 14:14:44,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:44,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:14:44,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:44,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:14:44,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:14:44,760 INFO L87 Difference]: Start difference. First operand 497 states and 633 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:45,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:45,036 INFO L93 Difference]: Finished difference Result 2979 states and 3873 transitions. [2021-11-23 14:14:45,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:14:45,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 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 63 [2021-11-23 14:14:45,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:45,054 INFO L225 Difference]: With dead ends: 2979 [2021-11-23 14:14:45,055 INFO L226 Difference]: Without dead ends: 2489 [2021-11-23 14:14:45,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-23 14:14:45,060 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 705 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:45,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 888 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:45,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2489 states. [2021-11-23 14:14:45,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2489 to 983. [2021-11-23 14:14:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 982 states have (on average 1.2627291242362526) internal successors, (1240), 982 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1240 transitions. [2021-11-23 14:14:45,194 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1240 transitions. Word has length 63 [2021-11-23 14:14:45,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:45,195 INFO L470 AbstractCegarLoop]: Abstraction has 983 states and 1240 transitions. [2021-11-23 14:14:45,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1240 transitions. [2021-11-23 14:14:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 14:14:45,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:45,197 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:45,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 14:14:45,197 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:45,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:45,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1558915982, now seen corresponding path program 1 times [2021-11-23 14:14:45,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:45,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613567781] [2021-11-23 14:14:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:45,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 14:14:45,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:45,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613567781] [2021-11-23 14:14:45,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613567781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:45,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:45,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:14:45,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079953031] [2021-11-23 14:14:45,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:45,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:14:45,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:45,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:14:45,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:14:45,273 INFO L87 Difference]: Start difference. First operand 983 states and 1240 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:45,615 INFO L93 Difference]: Finished difference Result 2759 states and 3467 transitions. [2021-11-23 14:14:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:14:45,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-23 14:14:45,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:45,632 INFO L225 Difference]: With dead ends: 2759 [2021-11-23 14:14:45,633 INFO L226 Difference]: Without dead ends: 2757 [2021-11-23 14:14:45,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-23 14:14:45,635 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 413 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:45,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 782 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 14:14:45,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2021-11-23 14:14:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 983. [2021-11-23 14:14:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 982 states have (on average 1.2525458248472505) internal successors, (1230), 982 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1230 transitions. [2021-11-23 14:14:45,740 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1230 transitions. Word has length 65 [2021-11-23 14:14:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:45,741 INFO L470 AbstractCegarLoop]: Abstraction has 983 states and 1230 transitions. [2021-11-23 14:14:45,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1230 transitions. [2021-11-23 14:14:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 14:14:45,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:45,744 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:45,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 14:14:45,745 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:45,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:45,745 INFO L85 PathProgramCache]: Analyzing trace with hash -867273895, now seen corresponding path program 1 times [2021-11-23 14:14:45,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:45,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757619431] [2021-11-23 14:14:45,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:45,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:45,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:45,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757619431] [2021-11-23 14:14:45,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757619431] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:45,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:45,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:14:45,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646320946] [2021-11-23 14:14:45,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:45,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:14:45,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:14:45,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:14:45,803 INFO L87 Difference]: Start difference. First operand 983 states and 1230 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 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) [2021-11-23 14:14:45,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:45,918 INFO L93 Difference]: Finished difference Result 1691 states and 2133 transitions. [2021-11-23 14:14:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:14:45,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 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) Word has length 70 [2021-11-23 14:14:45,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:45,924 INFO L225 Difference]: With dead ends: 1691 [2021-11-23 14:14:45,924 INFO L226 Difference]: Without dead ends: 827 [2021-11-23 14:14:45,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 14:14:45,928 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 191 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:45,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 167 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:45,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2021-11-23 14:14:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 827. [2021-11-23 14:14:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 826 states have (on average 1.2300242130750605) internal successors, (1016), 826 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1016 transitions. [2021-11-23 14:14:46,005 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1016 transitions. Word has length 70 [2021-11-23 14:14:46,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:46,005 INFO L470 AbstractCegarLoop]: Abstraction has 827 states and 1016 transitions. [2021-11-23 14:14:46,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 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) [2021-11-23 14:14:46,006 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1016 transitions. [2021-11-23 14:14:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 14:14:46,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:46,007 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:46,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 14:14:46,008 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:46,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:46,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1594736962, now seen corresponding path program 1 times [2021-11-23 14:14:46,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:46,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175147961] [2021-11-23 14:14:46,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:46,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:46,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:46,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175147961] [2021-11-23 14:14:46,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175147961] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:14:46,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71100804] [2021-11-23 14:14:46,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:46,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:14:46,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:46,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:14:46,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:14:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:46,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 14:14:46,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:14:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:46,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:14:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:14:46,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71100804] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:14:46,503 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:14:46,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2021-11-23 14:14:46,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697643093] [2021-11-23 14:14:46,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:14:46,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:14:46,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:46,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:14:46,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:14:46,506 INFO L87 Difference]: Start difference. First operand 827 states and 1016 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:46,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:46,692 INFO L93 Difference]: Finished difference Result 1794 states and 2195 transitions. [2021-11-23 14:14:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:14:46,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-11-23 14:14:46,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:46,699 INFO L225 Difference]: With dead ends: 1794 [2021-11-23 14:14:46,699 INFO L226 Difference]: Without dead ends: 1086 [2021-11-23 14:14:46,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-11-23 14:14:46,701 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 292 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:46,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 620 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:46,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2021-11-23 14:14:46,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 729. [2021-11-23 14:14:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 728 states have (on average 1.2129120879120878) internal successors, (883), 728 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:46,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 883 transitions. [2021-11-23 14:14:46,790 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 883 transitions. Word has length 72 [2021-11-23 14:14:46,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:46,791 INFO L470 AbstractCegarLoop]: Abstraction has 729 states and 883 transitions. [2021-11-23 14:14:46,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:46,791 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 883 transitions. [2021-11-23 14:14:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 14:14:46,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:46,800 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:46,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 14:14:47,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:14:47,025 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:47,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:47,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1458962975, now seen corresponding path program 2 times [2021-11-23 14:14:47,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:47,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776457706] [2021-11-23 14:14:47,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:47,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 14:14:47,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:47,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776457706] [2021-11-23 14:14:47,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776457706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:47,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:47,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:14:47,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761879385] [2021-11-23 14:14:47,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:47,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:14:47,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:47,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:14:47,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:14:47,110 INFO L87 Difference]: Start difference. First operand 729 states and 883 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:47,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:47,324 INFO L93 Difference]: Finished difference Result 2308 states and 2820 transitions. [2021-11-23 14:14:47,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:14:47,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 105 [2021-11-23 14:14:47,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:47,334 INFO L225 Difference]: With dead ends: 2308 [2021-11-23 14:14:47,334 INFO L226 Difference]: Without dead ends: 1692 [2021-11-23 14:14:47,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:14:47,337 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 317 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:47,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 342 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:47,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2021-11-23 14:14:47,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1126. [2021-11-23 14:14:47,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 1125 states have (on average 1.2062222222222223) internal successors, (1357), 1125 states have internal predecessors, (1357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1357 transitions. [2021-11-23 14:14:47,469 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1357 transitions. Word has length 105 [2021-11-23 14:14:47,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:47,469 INFO L470 AbstractCegarLoop]: Abstraction has 1126 states and 1357 transitions. [2021-11-23 14:14:47,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1357 transitions. [2021-11-23 14:14:47,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 14:14:47,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:47,473 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:14:47,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 14:14:47,473 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:47,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:47,474 INFO L85 PathProgramCache]: Analyzing trace with hash 480199071, now seen corresponding path program 1 times [2021-11-23 14:14:47,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:47,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425464186] [2021-11-23 14:14:47,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:47,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 14:14:47,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:47,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425464186] [2021-11-23 14:14:47,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425464186] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:47,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:14:47,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 14:14:47,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078970739] [2021-11-23 14:14:47,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:47,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 14:14:47,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:47,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 14:14:47,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 14:14:47,545 INFO L87 Difference]: Start difference. First operand 1126 states and 1357 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:47,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:47,902 INFO L93 Difference]: Finished difference Result 3592 states and 4382 transitions. [2021-11-23 14:14:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:14:47,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 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 105 [2021-11-23 14:14:47,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:47,918 INFO L225 Difference]: With dead ends: 3592 [2021-11-23 14:14:47,918 INFO L226 Difference]: Without dead ends: 2581 [2021-11-23 14:14:47,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-23 14:14:47,922 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 406 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:47,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 567 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:47,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states. [2021-11-23 14:14:48,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 1116. [2021-11-23 14:14:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2044843049327354) internal successors, (1343), 1115 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1343 transitions. [2021-11-23 14:14:48,082 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1343 transitions. Word has length 105 [2021-11-23 14:14:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:48,083 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1343 transitions. [2021-11-23 14:14:48,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1343 transitions. [2021-11-23 14:14:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 14:14:48,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:14:48,087 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 14:14:48,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 14:14:48,087 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:14:48,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:48,088 INFO L85 PathProgramCache]: Analyzing trace with hash -881061354, now seen corresponding path program 1 times [2021-11-23 14:14:48,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:48,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589057233] [2021-11-23 14:14:48,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:48,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 69 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 14:14:48,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:14:48,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589057233] [2021-11-23 14:14:48,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589057233] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:14:48,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980133683] [2021-11-23 14:14:48,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:48,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:14:48,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:48,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:14:48,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:14:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:14:48,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:14:48,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:14:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 14:14:48,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:14:48,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980133683] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:14:48,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:14:48,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-11-23 14:14:48,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792440701] [2021-11-23 14:14:48,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:14:48,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 14:14:48,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:14:48,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:14:48,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:14:48,513 INFO L87 Difference]: Start difference. First operand 1116 states and 1343 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:48,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:14:48,624 INFO L93 Difference]: Finished difference Result 1937 states and 2336 transitions. [2021-11-23 14:14:48,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:14:48,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 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 127 [2021-11-23 14:14:48,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:14:48,625 INFO L225 Difference]: With dead ends: 1937 [2021-11-23 14:14:48,626 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 14:14:48,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:14:48,629 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 83 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:14:48,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:14:48,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 14:14:48,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 14:14:48,631 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) [2021-11-23 14:14:48,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 14:14:48,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2021-11-23 14:14:48,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:14:48,631 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:14:48,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:48,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 14:14:48,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 14:14:48,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 14:14:48,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-23 14:14:48,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-23 14:14:48,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:48,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-23 14:14:48,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 14:15:01,933 WARN L227 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 311 DAG size of output: 276 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 14:15:08,417 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 322 DAG size of output: 287 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 14:15:17,520 WARN L227 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 257 DAG size of output: 254 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 14:15:29,497 WARN L227 SmtUtils]: Spent 11.97s on a formula simplification. DAG size of input: 400 DAG size of output: 364 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 14:15:37,387 WARN L227 SmtUtils]: Spent 7.88s on a formula simplification. DAG size of input: 211 DAG size of output: 200 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 14:15:43,031 WARN L227 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 311 DAG size of output: 276 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 14:15:55,568 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-11-23 14:15:55,568 INFO L854 garLoopResultBuilder]: At program point L366(lines 354 368) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|)) (and (= |ULTIMATE.start_main_~tmp~7#1| 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-11-23 14:15:55,568 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,568 INFO L854 garLoopResultBuilder]: At program point L171-1(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,568 INFO L858 garLoopResultBuilder]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,569 INFO L854 garLoopResultBuilder]: At program point L171-3(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,569 INFO L858 garLoopResultBuilder]: For program point L171-4(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,569 INFO L854 garLoopResultBuilder]: At program point L171-5(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,569 INFO L858 garLoopResultBuilder]: For program point L171-6(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,569 INFO L854 garLoopResultBuilder]: At program point L171-7(lines 167 191) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~4#1|) .cse6 .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4 .cse5) (and .cse0 (not .cse6) .cse1 .cse2 .cse3 .cse5) (and (= |ULTIMATE.start_isHighWaterLevel_~tmp~4#1| ~waterLevel~0) .cse6 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4 .cse5))) [2021-11-23 14:15:55,569 INFO L858 garLoopResultBuilder]: For program point L171-8(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,570 INFO L854 garLoopResultBuilder]: At program point L171-9(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,570 INFO L858 garLoopResultBuilder]: For program point L171-10(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,570 INFO L854 garLoopResultBuilder]: At program point L171-11(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,570 INFO L858 garLoopResultBuilder]: For program point L171-12(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,570 INFO L854 garLoopResultBuilder]: At program point L171-13(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,571 INFO L858 garLoopResultBuilder]: For program point L171-14(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,571 INFO L854 garLoopResultBuilder]: At program point L171-15(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,571 INFO L858 garLoopResultBuilder]: For program point L171-16(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,571 INFO L854 garLoopResultBuilder]: At program point L171-17(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,571 INFO L858 garLoopResultBuilder]: For program point L171-18(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,571 INFO L854 garLoopResultBuilder]: At program point L171-19(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,571 INFO L858 garLoopResultBuilder]: For program point L171-20(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,572 INFO L854 garLoopResultBuilder]: At program point L171-21(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,572 INFO L858 garLoopResultBuilder]: For program point L171-22(lines 171 188) no Hoare annotation was computed. [2021-11-23 14:15:55,572 INFO L854 garLoopResultBuilder]: At program point L171-23(lines 167 191) the Hoare annotation is: false [2021-11-23 14:15:55,572 INFO L854 garLoopResultBuilder]: At program point L504(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2021-11-23 14:15:55,572 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,572 INFO L858 garLoopResultBuilder]: For program point L175-3(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,573 INFO L858 garLoopResultBuilder]: For program point L175-6(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,573 INFO L858 garLoopResultBuilder]: For program point L175-9(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,573 INFO L858 garLoopResultBuilder]: For program point L175-12(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,573 INFO L858 garLoopResultBuilder]: For program point L175-15(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,573 INFO L858 garLoopResultBuilder]: For program point L175-18(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,573 INFO L858 garLoopResultBuilder]: For program point L175-21(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,574 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-11-23 14:15:55,574 INFO L858 garLoopResultBuilder]: For program point L440-1(line 440) no Hoare annotation was computed. [2021-11-23 14:15:55,574 INFO L858 garLoopResultBuilder]: For program point L175-24(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,574 INFO L858 garLoopResultBuilder]: For program point L440-2(line 440) no Hoare annotation was computed. [2021-11-23 14:15:55,574 INFO L858 garLoopResultBuilder]: For program point L175-27(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,574 INFO L858 garLoopResultBuilder]: For program point L175-30(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,574 INFO L858 garLoopResultBuilder]: For program point L175-33(lines 175 183) no Hoare annotation was computed. [2021-11-23 14:15:55,575 INFO L854 garLoopResultBuilder]: At program point L441(lines 436 443) the Hoare annotation is: false [2021-11-23 14:15:55,575 INFO L854 garLoopResultBuilder]: At program point L441-1(lines 436 443) the Hoare annotation is: false [2021-11-23 14:15:55,575 INFO L854 garLoopResultBuilder]: At program point L441-2(lines 436 443) the Hoare annotation is: false [2021-11-23 14:15:55,575 INFO L854 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-11-23 14:15:55,575 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 393) no Hoare annotation was computed. [2021-11-23 14:15:55,577 INFO L854 garLoopResultBuilder]: At program point L380-1(lines 372 396) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-11-23 14:15:55,578 INFO L858 garLoopResultBuilder]: For program point L380-2(lines 380 393) no Hoare annotation was computed. [2021-11-23 14:15:55,578 INFO L854 garLoopResultBuilder]: At program point L380-3(lines 372 396) the Hoare annotation is: false [2021-11-23 14:15:55,578 INFO L858 garLoopResultBuilder]: For program point L380-4(lines 380 393) no Hoare annotation was computed. [2021-11-23 14:15:55,578 INFO L854 garLoopResultBuilder]: At program point L380-5(lines 372 396) the Hoare annotation is: false [2021-11-23 14:15:55,579 INFO L854 garLoopResultBuilder]: At program point L249(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,579 INFO L854 garLoopResultBuilder]: At program point L249-1(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,579 INFO L854 garLoopResultBuilder]: At program point L249-2(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,579 INFO L854 garLoopResultBuilder]: At program point L249-3(lines 244 251) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,579 INFO L854 garLoopResultBuilder]: At program point L249-4(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,579 INFO L854 garLoopResultBuilder]: At program point L249-5(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,580 INFO L854 garLoopResultBuilder]: At program point L249-6(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,580 INFO L854 garLoopResultBuilder]: At program point L249-7(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,580 INFO L854 garLoopResultBuilder]: At program point L249-8(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,580 INFO L854 garLoopResultBuilder]: At program point L249-9(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,580 INFO L854 garLoopResultBuilder]: At program point L249-10(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,580 INFO L854 garLoopResultBuilder]: At program point L249-11(lines 244 251) the Hoare annotation is: false [2021-11-23 14:15:55,580 INFO L861 garLoopResultBuilder]: At program point L514(lines 507 516) the Hoare annotation is: true [2021-11-23 14:15:55,581 INFO L861 garLoopResultBuilder]: At program point L118(lines 55 120) the Hoare annotation is: true [2021-11-23 14:15:55,581 INFO L858 garLoopResultBuilder]: For program point L384(lines 384 390) no Hoare annotation was computed. [2021-11-23 14:15:55,581 INFO L858 garLoopResultBuilder]: For program point L384-3(lines 384 390) no Hoare annotation was computed. [2021-11-23 14:15:55,581 INFO L858 garLoopResultBuilder]: For program point L384-6(lines 384 390) no Hoare annotation was computed. [2021-11-23 14:15:55,581 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 917) no Hoare annotation was computed. [2021-11-23 14:15:55,582 INFO L854 garLoopResultBuilder]: At program point L913-2(lines 909 920) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,582 INFO L858 garLoopResultBuilder]: For program point L913-3(lines 913 917) no Hoare annotation was computed. [2021-11-23 14:15:55,582 INFO L854 garLoopResultBuilder]: At program point L913-5(lines 909 920) the Hoare annotation is: false [2021-11-23 14:15:55,582 INFO L858 garLoopResultBuilder]: For program point L913-6(lines 913 917) no Hoare annotation was computed. [2021-11-23 14:15:55,582 INFO L854 garLoopResultBuilder]: At program point L913-8(lines 909 920) the Hoare annotation is: false [2021-11-23 14:15:55,582 INFO L854 garLoopResultBuilder]: At program point L982(lines 977 985) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)))) [2021-11-23 14:15:55,583 INFO L854 garLoopResultBuilder]: At program point L982-1(lines 977 985) the Hoare annotation is: false [2021-11-23 14:15:55,583 INFO L854 garLoopResultBuilder]: At program point L982-2(lines 977 985) the Hoare annotation is: false [2021-11-23 14:15:55,583 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 14:15:55,583 INFO L854 garLoopResultBuilder]: At program point L257(lines 252 259) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:15:55,583 INFO L854 garLoopResultBuilder]: At program point L257-1(lines 252 259) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,583 INFO L854 garLoopResultBuilder]: At program point L257-2(lines 252 259) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= |ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~2#1| 0)) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1| 0)) (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp~5#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,584 INFO L854 garLoopResultBuilder]: At program point L257-3(lines 252 259) the Hoare annotation is: false [2021-11-23 14:15:55,584 INFO L854 garLoopResultBuilder]: At program point L257-4(lines 252 259) the Hoare annotation is: false [2021-11-23 14:15:55,584 INFO L854 garLoopResultBuilder]: At program point L257-5(lines 252 259) the Hoare annotation is: false [2021-11-23 14:15:55,584 INFO L854 garLoopResultBuilder]: At program point L257-6(lines 252 259) the Hoare annotation is: false [2021-11-23 14:15:55,584 INFO L854 garLoopResultBuilder]: At program point L257-7(lines 252 259) the Hoare annotation is: false [2021-11-23 14:15:55,584 INFO L854 garLoopResultBuilder]: At program point L257-8(lines 252 259) the Hoare annotation is: false [2021-11-23 14:15:55,584 INFO L854 garLoopResultBuilder]: At program point L257-9(lines 252 259) the Hoare annotation is: false [2021-11-23 14:15:55,585 INFO L854 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2021-11-23 14:15:55,585 INFO L858 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2021-11-23 14:15:55,585 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,585 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,585 INFO L858 garLoopResultBuilder]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,585 INFO L858 garLoopResultBuilder]: For program point L325-5(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,586 INFO L858 garLoopResultBuilder]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,586 INFO L858 garLoopResultBuilder]: For program point L325-8(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,586 INFO L858 garLoopResultBuilder]: For program point L325-9(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,586 INFO L858 garLoopResultBuilder]: For program point L325-11(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,586 INFO L858 garLoopResultBuilder]: For program point L325-12(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,586 INFO L858 garLoopResultBuilder]: For program point L325-14(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,586 INFO L858 garLoopResultBuilder]: For program point L325-15(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,587 INFO L858 garLoopResultBuilder]: For program point L325-17(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,587 INFO L858 garLoopResultBuilder]: For program point L325-18(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,587 INFO L858 garLoopResultBuilder]: For program point L325-20(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,587 INFO L858 garLoopResultBuilder]: For program point L325-21(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,587 INFO L858 garLoopResultBuilder]: For program point L325-23(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,587 INFO L858 garLoopResultBuilder]: For program point L325-24(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,587 INFO L858 garLoopResultBuilder]: For program point L325-26(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,588 INFO L858 garLoopResultBuilder]: For program point L325-27(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,588 INFO L858 garLoopResultBuilder]: For program point L325-29(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,588 INFO L858 garLoopResultBuilder]: For program point L325-30(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,588 INFO L858 garLoopResultBuilder]: For program point L325-32(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,588 INFO L858 garLoopResultBuilder]: For program point L325-33(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,588 INFO L858 garLoopResultBuilder]: For program point L325-35(lines 325 329) no Hoare annotation was computed. [2021-11-23 14:15:55,589 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2021-11-23 14:15:55,589 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 460 464) no Hoare annotation was computed. [2021-11-23 14:15:55,589 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2021-11-23 14:15:55,589 INFO L858 garLoopResultBuilder]: For program point L527-2(lines 527 534) no Hoare annotation was computed. [2021-11-23 14:15:55,589 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 214) no Hoare annotation was computed. [2021-11-23 14:15:55,589 INFO L854 garLoopResultBuilder]: At program point L197-1(lines 193 217) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= |ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~2#1| 0)) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1| 0)) (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp~5#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,590 INFO L858 garLoopResultBuilder]: For program point L197-2(lines 197 214) no Hoare annotation was computed. [2021-11-23 14:15:55,590 INFO L854 garLoopResultBuilder]: At program point L197-3(lines 193 217) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~4#1|) .cse6 .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4 .cse5) (and .cse0 (not .cse6) .cse1 .cse2 .cse3 .cse5) (and (= |ULTIMATE.start_isHighWaterLevel_~tmp~4#1| ~waterLevel~0) .cse6 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4 .cse5))) [2021-11-23 14:15:55,590 INFO L858 garLoopResultBuilder]: For program point L197-4(lines 197 214) no Hoare annotation was computed. [2021-11-23 14:15:55,590 INFO L854 garLoopResultBuilder]: At program point L197-5(lines 193 217) the Hoare annotation is: false [2021-11-23 14:15:55,590 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 14:15:55,590 INFO L854 garLoopResultBuilder]: At program point L65-2(lines 65 112) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse4 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse6 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse5))) [2021-11-23 14:15:55,591 INFO L858 garLoopResultBuilder]: For program point L197-6(lines 197 214) no Hoare annotation was computed. [2021-11-23 14:15:55,591 INFO L858 garLoopResultBuilder]: For program point L990(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,591 INFO L854 garLoopResultBuilder]: At program point L197-7(lines 193 217) the Hoare annotation is: false [2021-11-23 14:15:55,591 INFO L858 garLoopResultBuilder]: For program point L990-1(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,591 INFO L858 garLoopResultBuilder]: For program point L197-8(lines 197 214) no Hoare annotation was computed. [2021-11-23 14:15:55,591 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,592 INFO L854 garLoopResultBuilder]: At program point L197-9(lines 193 217) the Hoare annotation is: false [2021-11-23 14:15:55,592 INFO L858 garLoopResultBuilder]: For program point L990-3(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,592 INFO L858 garLoopResultBuilder]: For program point L197-10(lines 197 214) no Hoare annotation was computed. [2021-11-23 14:15:55,592 INFO L858 garLoopResultBuilder]: For program point L990-4(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,592 INFO L854 garLoopResultBuilder]: At program point L197-11(lines 193 217) the Hoare annotation is: false [2021-11-23 14:15:55,592 INFO L858 garLoopResultBuilder]: For program point L990-5(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,593 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-11-23 14:15:55,593 INFO L858 garLoopResultBuilder]: For program point L990-6(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,593 INFO L858 garLoopResultBuilder]: For program point L990-7(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,593 INFO L858 garLoopResultBuilder]: For program point L990-8(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,593 INFO L858 garLoopResultBuilder]: For program point L990-9(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,593 INFO L858 garLoopResultBuilder]: For program point L990-10(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,593 INFO L858 garLoopResultBuilder]: For program point L990-11(lines 990 996) no Hoare annotation was computed. [2021-11-23 14:15:55,594 INFO L858 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-11-23 14:15:55,594 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 929) no Hoare annotation was computed. [2021-11-23 14:15:55,594 INFO L854 garLoopResultBuilder]: At program point L925-2(lines 921 932) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2021-11-23 14:15:55,594 INFO L854 garLoopResultBuilder]: At program point L331(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,594 INFO L854 garLoopResultBuilder]: At program point L331-1(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,594 INFO L854 garLoopResultBuilder]: At program point L331-2(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,595 INFO L854 garLoopResultBuilder]: At program point L331-3(lines 316 334) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterLevel_~tmp~4#1| ~waterLevel~0) .cse1 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 .cse5 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse6 .cse4) (and .cse0 (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~4#1|) .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) .cse5 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse6 .cse4))) [2021-11-23 14:15:55,595 INFO L854 garLoopResultBuilder]: At program point L331-4(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,595 INFO L854 garLoopResultBuilder]: At program point L331-5(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,595 INFO L854 garLoopResultBuilder]: At program point L331-6(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,595 INFO L854 garLoopResultBuilder]: At program point L331-7(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,596 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-11-23 14:15:55,596 INFO L854 garLoopResultBuilder]: At program point L331-8(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,596 INFO L854 garLoopResultBuilder]: At program point L331-9(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,596 INFO L854 garLoopResultBuilder]: At program point L331-10(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,596 INFO L854 garLoopResultBuilder]: At program point L331-11(lines 316 334) the Hoare annotation is: false [2021-11-23 14:15:55,596 INFO L854 garLoopResultBuilder]: At program point L267(lines 260 270) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,597 INFO L854 garLoopResultBuilder]: At program point L267-1(lines 260 270) the Hoare annotation is: false [2021-11-23 14:15:55,597 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 209) no Hoare annotation was computed. [2021-11-23 14:15:55,597 INFO L854 garLoopResultBuilder]: At program point L267-2(lines 260 270) the Hoare annotation is: false [2021-11-23 14:15:55,597 INFO L858 garLoopResultBuilder]: For program point L201-3(lines 201 209) no Hoare annotation was computed. [2021-11-23 14:15:55,597 INFO L858 garLoopResultBuilder]: For program point L201-6(lines 201 209) no Hoare annotation was computed. [2021-11-23 14:15:55,597 INFO L858 garLoopResultBuilder]: For program point L201-9(lines 201 209) no Hoare annotation was computed. [2021-11-23 14:15:55,597 INFO L858 garLoopResultBuilder]: For program point L201-12(lines 201 209) no Hoare annotation was computed. [2021-11-23 14:15:55,598 INFO L858 garLoopResultBuilder]: For program point L201-15(lines 201 209) no Hoare annotation was computed. [2021-11-23 14:15:55,598 INFO L854 garLoopResultBuilder]: At program point L995(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,598 INFO L854 garLoopResultBuilder]: At program point L995-1(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,598 INFO L854 garLoopResultBuilder]: At program point L995-2(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,598 INFO L854 garLoopResultBuilder]: At program point L995-3(lines 986 999) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse1 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4))) [2021-11-23 14:15:55,599 INFO L854 garLoopResultBuilder]: At program point L995-4(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,599 INFO L854 garLoopResultBuilder]: At program point L995-5(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,599 INFO L854 garLoopResultBuilder]: At program point L995-6(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,599 INFO L854 garLoopResultBuilder]: At program point L995-7(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,599 INFO L854 garLoopResultBuilder]: At program point L995-8(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,599 INFO L854 garLoopResultBuilder]: At program point L995-9(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,599 INFO L854 garLoopResultBuilder]: At program point L995-10(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,600 INFO L854 garLoopResultBuilder]: At program point L995-11(lines 986 999) the Hoare annotation is: false [2021-11-23 14:15:55,600 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 145) no Hoare annotation was computed. [2021-11-23 14:15:55,600 INFO L858 garLoopResultBuilder]: For program point L139-2(lines 138 157) no Hoare annotation was computed. [2021-11-23 14:15:55,600 INFO L858 garLoopResultBuilder]: For program point L139-3(lines 139 145) no Hoare annotation was computed. [2021-11-23 14:15:55,600 INFO L858 garLoopResultBuilder]: For program point L139-5(lines 138 157) no Hoare annotation was computed. [2021-11-23 14:15:55,600 INFO L858 garLoopResultBuilder]: For program point L139-6(lines 139 145) no Hoare annotation was computed. [2021-11-23 14:15:55,601 INFO L858 garLoopResultBuilder]: For program point L139-8(lines 138 157) no Hoare annotation was computed. [2021-11-23 14:15:55,601 INFO L861 garLoopResultBuilder]: At program point L536(lines 517 539) the Hoare annotation is: true [2021-11-23 14:15:55,601 INFO L861 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2021-11-23 14:15:55,601 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-23 14:15:55,601 INFO L858 garLoopResultBuilder]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-11-23 14:15:55,601 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-11-23 14:15:55,602 INFO L854 garLoopResultBuilder]: At program point L276(lines 271 279) the Hoare annotation is: false [2021-11-23 14:15:55,602 INFO L854 garLoopResultBuilder]: At program point L276-1(lines 271 279) the Hoare annotation is: false [2021-11-23 14:15:55,602 INFO L854 garLoopResultBuilder]: At program point L276-2(lines 271 279) the Hoare annotation is: false [2021-11-23 14:15:55,602 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 941) no Hoare annotation was computed. [2021-11-23 14:15:55,602 INFO L854 garLoopResultBuilder]: At program point L937-2(lines 933 944) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|)) (and .cse1 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse2 .cse5 .cse3 .cse4))) [2021-11-23 14:15:55,602 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,603 INFO L858 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,603 INFO L858 garLoopResultBuilder]: For program point L344-3(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,603 INFO L858 garLoopResultBuilder]: For program point L344-5(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,603 INFO L858 garLoopResultBuilder]: For program point L344-6(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,603 INFO L858 garLoopResultBuilder]: For program point L146-1(lines 146 152) no Hoare annotation was computed. [2021-11-23 14:15:55,603 INFO L858 garLoopResultBuilder]: For program point L344-8(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,603 INFO L858 garLoopResultBuilder]: For program point L344-9(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,604 INFO L858 garLoopResultBuilder]: For program point L146-3(lines 146 152) no Hoare annotation was computed. [2021-11-23 14:15:55,604 INFO L854 garLoopResultBuilder]: At program point L1005(lines 1000 1008) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,604 INFO L858 garLoopResultBuilder]: For program point L344-11(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,604 INFO L858 garLoopResultBuilder]: For program point L146-5(lines 146 152) no Hoare annotation was computed. [2021-11-23 14:15:55,604 INFO L854 garLoopResultBuilder]: At program point L1005-1(lines 1000 1008) the Hoare annotation is: false [2021-11-23 14:15:55,604 INFO L858 garLoopResultBuilder]: For program point L344-12(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,605 INFO L854 garLoopResultBuilder]: At program point L1005-2(lines 1000 1008) the Hoare annotation is: false [2021-11-23 14:15:55,605 INFO L854 garLoopResultBuilder]: At program point L1005-3(lines 1000 1008) the Hoare annotation is: false [2021-11-23 14:15:55,605 INFO L858 garLoopResultBuilder]: For program point L344-14(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,605 INFO L854 garLoopResultBuilder]: At program point L1005-4(lines 1000 1008) the Hoare annotation is: false [2021-11-23 14:15:55,605 INFO L858 garLoopResultBuilder]: For program point L344-15(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,606 INFO L854 garLoopResultBuilder]: At program point L1005-5(lines 1000 1008) the Hoare annotation is: false [2021-11-23 14:15:55,606 INFO L858 garLoopResultBuilder]: For program point L344-17(lines 344 348) no Hoare annotation was computed. [2021-11-23 14:15:55,606 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-11-23 14:15:55,606 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2021-11-23 14:15:55,606 INFO L854 garLoopResultBuilder]: At program point L416(lines 412 418) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 14:15:55,606 INFO L854 garLoopResultBuilder]: At program point L350(lines 335 353) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1| 0)) (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp~5#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 14:15:55,607 INFO L854 garLoopResultBuilder]: At program point L350-1(lines 335 353) the Hoare annotation is: false [2021-11-23 14:15:55,607 INFO L854 garLoopResultBuilder]: At program point L350-2(lines 335 353) the Hoare annotation is: false [2021-11-23 14:15:55,607 INFO L854 garLoopResultBuilder]: At program point L350-3(lines 335 353) the Hoare annotation is: false [2021-11-23 14:15:55,607 INFO L854 garLoopResultBuilder]: At program point L350-4(lines 335 353) the Hoare annotation is: false [2021-11-23 14:15:55,607 INFO L854 garLoopResultBuilder]: At program point L350-5(lines 335 353) the Hoare annotation is: false [2021-11-23 14:15:55,608 INFO L854 garLoopResultBuilder]: At program point L156(lines 135 158) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-11-23 14:15:55,608 INFO L854 garLoopResultBuilder]: At program point L156-1(lines 135 158) the Hoare annotation is: false [2021-11-23 14:15:55,608 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 135 158) the Hoare annotation is: false [2021-11-23 14:15:55,608 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 240) no Hoare annotation was computed. [2021-11-23 14:15:55,608 INFO L854 garLoopResultBuilder]: At program point L223-1(lines 219 243) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-11-23 14:15:55,608 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 223 240) no Hoare annotation was computed. [2021-11-23 14:15:55,609 INFO L854 garLoopResultBuilder]: At program point L223-3(lines 219 243) the Hoare annotation is: false [2021-11-23 14:15:55,609 INFO L858 garLoopResultBuilder]: For program point L223-4(lines 223 240) no Hoare annotation was computed. [2021-11-23 14:15:55,609 INFO L854 garLoopResultBuilder]: At program point L223-5(lines 219 243) the Hoare annotation is: false [2021-11-23 14:15:55,609 INFO L854 garLoopResultBuilder]: At program point L950(lines 945 953) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-23 14:15:55,609 INFO L854 garLoopResultBuilder]: At program point L950-1(lines 945 953) the Hoare annotation is: false [2021-11-23 14:15:55,609 INFO L854 garLoopResultBuilder]: At program point L950-2(lines 945 953) the Hoare annotation is: false [2021-11-23 14:15:55,610 INFO L854 garLoopResultBuilder]: At program point L423(lines 419 425) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 14:15:55,610 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2021-11-23 14:15:55,610 INFO L858 garLoopResultBuilder]: For program point L358-2(lines 358 364) no Hoare annotation was computed. [2021-11-23 14:15:55,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 14:15:55,610 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2021-11-23 14:15:55,610 INFO L858 garLoopResultBuilder]: For program point L227-3(lines 227 235) no Hoare annotation was computed. [2021-11-23 14:15:55,611 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-11-23 14:15:55,611 INFO L858 garLoopResultBuilder]: For program point L227-6(lines 227 235) no Hoare annotation was computed. [2021-11-23 14:15:55,611 INFO L854 garLoopResultBuilder]: At program point L163(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,611 INFO L854 garLoopResultBuilder]: At program point L163-1(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,611 INFO L854 garLoopResultBuilder]: At program point L163-2(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,611 INFO L854 garLoopResultBuilder]: At program point L163-3(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,611 INFO L854 garLoopResultBuilder]: At program point L163-4(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,612 INFO L854 garLoopResultBuilder]: At program point L163-5(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,612 INFO L854 garLoopResultBuilder]: At program point L163-6(lines 159 165) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~4#1|) .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4 .cse5) (and (= |ULTIMATE.start_isHighWaterLevel_~tmp~4#1| ~waterLevel~0) .cse1 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4 .cse5))) [2021-11-23 14:15:55,612 INFO L854 garLoopResultBuilder]: At program point L163-7(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,612 INFO L854 garLoopResultBuilder]: At program point L163-8(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,612 INFO L854 garLoopResultBuilder]: At program point L163-9(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,613 INFO L854 garLoopResultBuilder]: At program point L163-10(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,613 INFO L854 garLoopResultBuilder]: At program point L163-11(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,613 INFO L854 garLoopResultBuilder]: At program point L163-12(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,613 INFO L854 garLoopResultBuilder]: At program point L163-13(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,613 INFO L854 garLoopResultBuilder]: At program point L163-14(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,613 INFO L854 garLoopResultBuilder]: At program point L163-15(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,614 INFO L854 garLoopResultBuilder]: At program point L163-16(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,614 INFO L854 garLoopResultBuilder]: At program point L163-17(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,614 INFO L854 garLoopResultBuilder]: At program point L163-18(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,614 INFO L854 garLoopResultBuilder]: At program point L163-19(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,614 INFO L854 garLoopResultBuilder]: At program point L163-20(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,614 INFO L854 garLoopResultBuilder]: At program point L163-21(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,614 INFO L854 garLoopResultBuilder]: At program point L163-22(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,615 INFO L854 garLoopResultBuilder]: At program point L163-23(lines 159 165) the Hoare annotation is: false [2021-11-23 14:15:55,615 INFO L854 garLoopResultBuilder]: At program point L431(lines 426 434) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 14:15:55,615 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2021-11-23 14:15:55,615 INFO L858 garLoopResultBuilder]: For program point L101-2(lines 95 108) no Hoare annotation was computed. [2021-11-23 14:15:55,619 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:55,620 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 14:15:55,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:15:55 BoogieIcfgContainer [2021-11-23 14:15:55,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 14:15:55,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:15:55,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:15:55,663 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:15:55,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:41" (3/4) ... [2021-11-23 14:15:55,666 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 14:15:55,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2021-11-23 14:15:55,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 14:15:55,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 14:15:55,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 14:15:55,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 14:15:55,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 14:15:55,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 14:15:55,734 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-11-23 14:15:55,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive [2021-11-23 14:15:55,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((pumpRunning == 0 && \result == waterLevel) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) [2021-11-23 14:15:55,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 14:15:55,736 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) || (((((pumpRunning == 0 && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive))) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 14:15:55,737 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-23 14:15:55,738 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) [2021-11-23 14:15:55,738 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0 [2021-11-23 14:15:55,739 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2021-11-23 14:15:55,740 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-23 14:15:55,740 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) [2021-11-23 14:15:55,740 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) [2021-11-23 14:15:55,740 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) [2021-11-23 14:15:55,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 14:15:55,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) [2021-11-23 14:15:55,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-23 14:15:55,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive))) || ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && !(0 == systemActive)) [2021-11-23 14:15:55,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-23 14:15:55,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel == 1) && waterLevel == tmp) && \result == 0) && !(0 == systemActive))) || (((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && tmp___0 == 0) && 1 <= tmp) && 1 <= \result) && \result == 0) && !(0 == systemActive)) [2021-11-23 14:15:55,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && \result == 1) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) [2021-11-23 14:15:55,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) [2021-11-23 14:15:55,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-23 14:15:55,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-23 14:15:55,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) [2021-11-23 14:15:55,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && \result == 1) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) [2021-11-23 14:15:55,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 14:15:55,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:15:55,840 INFO L158 Benchmark]: Toolchain (without parser) took 76247.42ms. Allocated memory was 96.5MB in the beginning and 465.6MB in the end (delta: 369.1MB). Free memory was 58.4MB in the beginning and 242.4MB in the end (delta: -184.0MB). Peak memory consumption was 184.9MB. Max. memory is 16.1GB. [2021-11-23 14:15:55,840 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:15:55,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.01ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 63.6MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 14:15:55,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.97ms. Allocated memory is still 96.5MB. Free memory was 63.6MB in the beginning and 58.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 14:15:55,842 INFO L158 Benchmark]: Boogie Preprocessor took 66.09ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 55.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 14:15:55,842 INFO L158 Benchmark]: RCFGBuilder took 1158.95ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 55.5MB in the beginning and 75.4MB in the end (delta: -19.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-11-23 14:15:55,842 INFO L158 Benchmark]: TraceAbstraction took 74166.44ms. Allocated memory was 117.4MB in the beginning and 465.6MB in the end (delta: 348.1MB). Free memory was 74.7MB in the beginning and 262.4MB in the end (delta: -187.7MB). Peak memory consumption was 272.1MB. Max. memory is 16.1GB. [2021-11-23 14:15:55,843 INFO L158 Benchmark]: Witness Printer took 177.24ms. Allocated memory is still 465.6MB. Free memory was 262.4MB in the beginning and 242.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 14:15:55,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.01ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 63.6MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.97ms. Allocated memory is still 96.5MB. Free memory was 63.6MB in the beginning and 58.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.09ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 55.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1158.95ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 55.5MB in the beginning and 75.4MB in the end (delta: -19.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * TraceAbstraction took 74166.44ms. Allocated memory was 117.4MB in the beginning and 465.6MB in the end (delta: 348.1MB). Free memory was 74.7MB in the beginning and 262.4MB in the end (delta: -187.7MB). Peak memory consumption was 272.1MB. Max. memory is 16.1GB. * Witness Printer took 177.24ms. Allocated memory is still 465.6MB. Free memory was 262.4MB in the beginning and 242.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * 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: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 440]: 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, 277 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 74.1s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 66.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4874 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4874 mSDsluCounter, 7786 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5160 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 587 IncrementalHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 2626 mSDtfsCounter, 587 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 440 GetRequests, 356 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1126occurred in iteration=13, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 6805 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 141 LocationsWithAnnotation, 141 PreInvPairs, 430 NumberOfFragments, 1288 HoareAnnotationTreeSize, 141 FomulaSimplifications, 359615 FormulaSimplificationTreeSizeReduction, 54.2s HoareSimplificationTime, 141 FomulaSimplificationsInter, 2170084 FormulaSimplificationTreeSizeReductionInter, 12.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1141 NumberOfCodeBlocks, 1141 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 2111 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1261 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 512/537 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: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && \result == 1) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive))) || ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && !(0 == systemActive)) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((pumpRunning == 0 && \result == waterLevel) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && \result == 1) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel == 1) && waterLevel == tmp) && \result == 0) && !(0 == systemActive))) || (((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && tmp___0 == 0) && 1 <= tmp) && 1 <= \result) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) || (((((pumpRunning == 0 && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive))) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 14:15:55,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4575df6c-9cb7-421e-809a-cc9812ac618e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE