./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg --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 c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:48:16,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:48:16,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:48:16,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:48:16,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:48:16,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:48:16,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:48:16,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:48:16,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:48:16,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:48:16,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:48:16,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:48:16,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:48:16,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:48:16,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:48:16,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:48:16,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:48:16,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:48:16,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:48:16,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:48:16,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:48:16,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:48:16,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:48:16,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:48:16,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:48:16,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:48:16,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:48:16,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:48:16,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:48:16,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:48:16,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:48:16,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:48:16,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:48:16,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:48:16,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:48:16,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:48:16,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:48:16,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:48:16,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:48:16,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:48:16,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:48:16,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:48:16,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:48:16,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:48:16,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:48:16,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:48:16,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:48:16,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:48:16,465 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:48:16,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:48:16,465 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:48:16,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:48:16,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:48:16,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:48:16,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:48:16,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:48:16,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:48:16,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:48:16,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:48:16,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:48:16,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:48:16,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:48:16,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:48:16,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:48:16,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:48:16,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:48:16,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:48:16,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:48:16,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:48:16,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:48:16,470 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:48:16,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:48:16,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:48:16,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:48:16,479 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_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb [2021-10-28 08:48:16,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:48:16,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:48:16,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:48:16,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:48:16,856 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:48:16,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-10-28 08:48:16,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/data/2738ccc3d/cfca6bded967413dba8cd762fc0484a4/FLAGf8d8013c4 [2021-10-28 08:48:17,548 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:48:17,549 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-10-28 08:48:17,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/data/2738ccc3d/cfca6bded967413dba8cd762fc0484a4/FLAGf8d8013c4 [2021-10-28 08:48:17,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/data/2738ccc3d/cfca6bded967413dba8cd762fc0484a4 [2021-10-28 08:48:17,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:48:17,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:48:17,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:17,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:48:17,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:48:17,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:17" (1/1) ... [2021-10-28 08:48:17,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1842a2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:17, skipping insertion in model container [2021-10-28 08:48:17,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:17" (1/1) ... [2021-10-28 08:48:17,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:48:17,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:48:18,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2021-10-28 08:48:18,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:48:18,385 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:48:18,517 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2021-10-28 08:48:18,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:48:18,571 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:48:18,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18 WrapperNode [2021-10-28 08:48:18,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:18,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:48:18,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:48:18,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:48:18,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:48:18,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:48:18,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:48:18,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:48:18,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:48:18,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:48:18,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:48:18,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:48:18,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (1/1) ... [2021-10-28 08:48:18,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:48:18,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:48:18,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:48:18,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:48:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:48:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:48:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:48:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:48:20,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:48:20,205 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-28 08:48:20,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:48:20 BoogieIcfgContainer [2021-10-28 08:48:20,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:48:20,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:48:20,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:48:20,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:48:20,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:48:17" (1/3) ... [2021-10-28 08:48:20,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b206d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:48:20, skipping insertion in model container [2021-10-28 08:48:20,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:18" (2/3) ... [2021-10-28 08:48:20,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b206d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:48:20, skipping insertion in model container [2021-10-28 08:48:20,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:48:20" (3/3) ... [2021-10-28 08:48:20,227 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2021-10-28 08:48:20,238 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:48:20,239 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:48:20,317 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:48:20,329 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:48:20,330 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:48:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 08:48:20,378 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:20,379 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:20,380 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:20,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:20,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2021-10-28 08:48:20,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:20,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673630802] [2021-10-28 08:48:20,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:20,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:20,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:20,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673630802] [2021-10-28 08:48:20,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673630802] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:20,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:20,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:48:20,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752077846] [2021-10-28 08:48:20,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:48:20,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:20,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:48:20,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:48:20,764 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:20,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:20,834 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-28 08:48:20,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:48:20,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 08:48:20,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:20,849 INFO L225 Difference]: With dead ends: 228 [2021-10-28 08:48:20,849 INFO L226 Difference]: Without dead ends: 113 [2021-10-28 08:48:20,853 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:48:20,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-28 08:48:20,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-28 08:48:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-28 08:48:20,907 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-10-28 08:48:20,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:20,908 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-28 08:48:20,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:20,908 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-28 08:48:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:48:20,910 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:20,911 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:20,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:48:20,911 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:20,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:20,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2021-10-28 08:48:20,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:20,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143640515] [2021-10-28 08:48:20,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:20,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:21,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:21,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143640515] [2021-10-28 08:48:21,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143640515] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:21,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:21,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:48:21,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736978443] [2021-10-28 08:48:21,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:48:21,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:21,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:48:21,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:48:21,104 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:21,132 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-28 08:48:21,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:48:21,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 08:48:21,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:21,136 INFO L225 Difference]: With dead ends: 113 [2021-10-28 08:48:21,137 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 08:48:21,139 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:48:21,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 08:48:21,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 08:48:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-28 08:48:21,162 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-28 08:48:21,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:21,164 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-28 08:48:21,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-28 08:48:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 08:48:21,168 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:21,169 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:21,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:48:21,170 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:21,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:21,178 INFO L85 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2021-10-28 08:48:21,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:21,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837666684] [2021-10-28 08:48:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:21,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:21,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:21,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837666684] [2021-10-28 08:48:21,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837666684] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:21,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:21,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:48:21,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407697480] [2021-10-28 08:48:21,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:48:21,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:21,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:48:21,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:48:21,343 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:21,370 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-28 08:48:21,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:48:21,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 08:48:21,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:21,372 INFO L225 Difference]: With dead ends: 88 [2021-10-28 08:48:21,372 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 08:48:21,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:48:21,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 08:48:21,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 08:48:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-28 08:48:21,380 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-28 08:48:21,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:21,381 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-28 08:48:21,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,381 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-28 08:48:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 08:48:21,383 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:21,383 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:21,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:48:21,384 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:21,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:21,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2021-10-28 08:48:21,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:21,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775489475] [2021-10-28 08:48:21,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:21,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:21,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:21,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775489475] [2021-10-28 08:48:21,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775489475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:21,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:21,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:48:21,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799031864] [2021-10-28 08:48:21,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:48:21,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:21,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:48:21,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:48:21,461 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:21,504 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-10-28 08:48:21,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:48:21,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 08:48:21,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:21,508 INFO L225 Difference]: With dead ends: 111 [2021-10-28 08:48:21,508 INFO L226 Difference]: Without dead ends: 70 [2021-10-28 08:48:21,509 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:48:21,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-28 08:48:21,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-10-28 08:48:21,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 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) [2021-10-28 08:48:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-10-28 08:48:21,529 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-10-28 08:48:21,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:21,529 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-10-28 08:48:21,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-10-28 08:48:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 08:48:21,531 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:21,531 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:21,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:48:21,532 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:21,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:21,532 INFO L85 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2021-10-28 08:48:21,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:21,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419724336] [2021-10-28 08:48:21,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:21,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:21,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:21,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419724336] [2021-10-28 08:48:21,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419724336] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:21,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:21,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:48:21,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062307806] [2021-10-28 08:48:21,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:48:21,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:21,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:48:21,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:21,685 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:21,816 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-10-28 08:48:21,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:48:21,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 08:48:21,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:21,821 INFO L225 Difference]: With dead ends: 183 [2021-10-28 08:48:21,821 INFO L226 Difference]: Without dead ends: 121 [2021-10-28 08:48:21,823 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:48:21,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-28 08:48:21,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-10-28 08:48:21,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-10-28 08:48:21,850 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-10-28 08:48:21,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:21,850 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-10-28 08:48:21,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-10-28 08:48:21,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 08:48:21,854 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:21,854 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:21,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:48:21,855 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:21,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:21,855 INFO L85 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2021-10-28 08:48:21,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:21,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283532237] [2021-10-28 08:48:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:21,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:22,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:22,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283532237] [2021-10-28 08:48:22,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283532237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:22,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:22,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:48:22,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511344112] [2021-10-28 08:48:22,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:48:22,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:22,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:48:22,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:22,033 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:22,226 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-10-28 08:48:22,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:48:22,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 08:48:22,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:22,235 INFO L225 Difference]: With dead ends: 373 [2021-10-28 08:48:22,236 INFO L226 Difference]: Without dead ends: 305 [2021-10-28 08:48:22,237 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:48:22,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-28 08:48:22,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-10-28 08:48:22,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-10-28 08:48:22,272 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-10-28 08:48:22,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:22,273 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-10-28 08:48:22,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-10-28 08:48:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:48:22,275 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:22,275 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:22,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:48:22,276 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:22,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:22,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2021-10-28 08:48:22,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:22,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872872408] [2021-10-28 08:48:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:22,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:22,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:22,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872872408] [2021-10-28 08:48:22,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872872408] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:22,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:22,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:48:22,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485738862] [2021-10-28 08:48:22,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:48:22,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:22,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:48:22,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:48:22,397 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:22,590 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-10-28 08:48:22,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:48:22,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 08:48:22,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:22,595 INFO L225 Difference]: With dead ends: 250 [2021-10-28 08:48:22,595 INFO L226 Difference]: Without dead ends: 182 [2021-10-28 08:48:22,596 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:48:22,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-28 08:48:22,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-10-28 08:48:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-10-28 08:48:22,639 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-10-28 08:48:22,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:22,640 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-10-28 08:48:22,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-10-28 08:48:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:48:22,644 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:22,644 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:22,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:48:22,645 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:22,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2021-10-28 08:48:22,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:22,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206487279] [2021-10-28 08:48:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:22,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:22,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:22,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206487279] [2021-10-28 08:48:22,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206487279] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:22,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:22,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:48:22,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583514330] [2021-10-28 08:48:22,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:48:22,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:22,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:48:22,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:48:22,753 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:22,831 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-10-28 08:48:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:48:22,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 08:48:22,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:22,835 INFO L225 Difference]: With dead ends: 422 [2021-10-28 08:48:22,836 INFO L226 Difference]: Without dead ends: 295 [2021-10-28 08:48:22,840 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:22,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-28 08:48:22,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-10-28 08:48:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-10-28 08:48:22,863 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-10-28 08:48:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:22,864 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-10-28 08:48:22,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-10-28 08:48:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:48:22,866 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:22,867 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:22,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:48:22,867 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:22,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:22,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2021-10-28 08:48:22,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:22,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167607922] [2021-10-28 08:48:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:22,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:22,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:22,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167607922] [2021-10-28 08:48:22,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167607922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:22,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:22,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:48:22,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235524739] [2021-10-28 08:48:22,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:48:22,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:22,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:48:22,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:22,967 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:23,174 INFO L93 Difference]: Finished difference Result 457 states and 634 transitions. [2021-10-28 08:48:23,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:48:23,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 08:48:23,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:23,178 INFO L225 Difference]: With dead ends: 457 [2021-10-28 08:48:23,179 INFO L226 Difference]: Without dead ends: 290 [2021-10-28 08:48:23,186 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:48:23,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-28 08:48:23,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 152. [2021-10-28 08:48:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-10-28 08:48:23,208 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-10-28 08:48:23,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:23,211 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-10-28 08:48:23,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-10-28 08:48:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:48:23,217 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:23,217 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:23,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:48:23,218 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:23,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:23,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2021-10-28 08:48:23,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:23,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961088554] [2021-10-28 08:48:23,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:23,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:23,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:23,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961088554] [2021-10-28 08:48:23,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961088554] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:23,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:23,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:48:23,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816604832] [2021-10-28 08:48:23,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:48:23,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:23,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:48:23,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:23,290 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:23,361 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-10-28 08:48:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:48:23,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 08:48:23,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:23,364 INFO L225 Difference]: With dead ends: 385 [2021-10-28 08:48:23,364 INFO L226 Difference]: Without dead ends: 239 [2021-10-28 08:48:23,365 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:48:23,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-28 08:48:23,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-10-28 08:48:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.2949640287769784) internal successors, (180), 139 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-10-28 08:48:23,383 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-10-28 08:48:23,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:23,383 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-10-28 08:48:23,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,384 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-10-28 08:48:23,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-28 08:48:23,385 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:23,385 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:23,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:48:23,386 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:23,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:23,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1506342504, now seen corresponding path program 1 times [2021-10-28 08:48:23,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:23,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420186121] [2021-10-28 08:48:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:23,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 08:48:23,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:23,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420186121] [2021-10-28 08:48:23,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420186121] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:23,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:23,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:48:23,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260873813] [2021-10-28 08:48:23,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:48:23,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:23,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:48:23,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:23,479 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 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) [2021-10-28 08:48:23,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:23,562 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-10-28 08:48:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:48:23,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 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 50 [2021-10-28 08:48:23,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:23,564 INFO L225 Difference]: With dead ends: 281 [2021-10-28 08:48:23,565 INFO L226 Difference]: Without dead ends: 173 [2021-10-28 08:48:23,565 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:48:23,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-28 08:48:23,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-10-28 08:48:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.3008130081300813) internal successors, (160), 123 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-10-28 08:48:23,581 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-10-28 08:48:23,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:23,581 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-10-28 08:48:23,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 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) [2021-10-28 08:48:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-10-28 08:48:23,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 08:48:23,583 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:23,583 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:23,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 08:48:23,584 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:23,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:23,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2021-10-28 08:48:23,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:23,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089049312] [2021-10-28 08:48:23,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:23,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:23,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:23,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089049312] [2021-10-28 08:48:23,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089049312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:23,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:23,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:48:23,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811321452] [2021-10-28 08:48:23,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:48:23,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:23,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:48:23,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:23,655 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:23,810 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-10-28 08:48:23,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:48:23,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-28 08:48:23,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:23,815 INFO L225 Difference]: With dead ends: 633 [2021-10-28 08:48:23,816 INFO L226 Difference]: Without dead ends: 515 [2021-10-28 08:48:23,817 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:48:23,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-28 08:48:23,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-10-28 08:48:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2719665271966527) internal successors, (304), 239 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-10-28 08:48:23,856 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-10-28 08:48:23,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:23,856 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-10-28 08:48:23,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-10-28 08:48:23,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-28 08:48:23,858 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:23,858 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:23,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 08:48:23,859 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:23,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:23,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2021-10-28 08:48:23,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:23,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302815418] [2021-10-28 08:48:23,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:23,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:48:23,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:23,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302815418] [2021-10-28 08:48:23,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302815418] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:48:23,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468190029] [2021-10-28 08:48:23,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:23,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:48:23,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:48:23,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:48:23,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:48:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:24,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:48:24,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:48:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:48:24,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468190029] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:48:24,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:48:24,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 08:48:24,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649318829] [2021-10-28 08:48:24,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:48:24,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:24,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:48:24,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:48:24,447 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:24,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:24,743 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-10-28 08:48:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:48:24,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-28 08:48:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:24,747 INFO L225 Difference]: With dead ends: 580 [2021-10-28 08:48:24,747 INFO L226 Difference]: Without dead ends: 346 [2021-10-28 08:48:24,748 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:48:24,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-28 08:48:24,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-10-28 08:48:24,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.231111111111111) internal successors, (277), 225 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:24,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-10-28 08:48:24,795 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-10-28 08:48:24,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:24,796 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-10-28 08:48:24,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-10-28 08:48:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 08:48:24,798 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:24,798 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:24,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:48:25,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:48:25,018 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:25,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:25,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2021-10-28 08:48:25,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:25,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588666738] [2021-10-28 08:48:25,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:25,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 08:48:25,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:25,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588666738] [2021-10-28 08:48:25,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588666738] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:25,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:25,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:48:25,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204395168] [2021-10-28 08:48:25,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:48:25,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:25,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:48:25,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:48:25,148 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:25,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:25,325 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2021-10-28 08:48:25,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:48:25,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-28 08:48:25,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:25,329 INFO L225 Difference]: With dead ends: 547 [2021-10-28 08:48:25,330 INFO L226 Difference]: Without dead ends: 377 [2021-10-28 08:48:25,330 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-28 08:48:25,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-28 08:48:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2021-10-28 08:48:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.2266666666666666) internal successors, (276), 225 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2021-10-28 08:48:25,389 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2021-10-28 08:48:25,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:25,389 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2021-10-28 08:48:25,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2021-10-28 08:48:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-28 08:48:25,391 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:25,391 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:25,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 08:48:25,392 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:25,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:25,392 INFO L85 PathProgramCache]: Analyzing trace with hash -929354426, now seen corresponding path program 1 times [2021-10-28 08:48:25,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:25,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931876366] [2021-10-28 08:48:25,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:25,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-28 08:48:25,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:25,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931876366] [2021-10-28 08:48:25,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931876366] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:25,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:25,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:48:25,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454520566] [2021-10-28 08:48:25,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:48:25,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:25,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:48:25,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:25,519 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:25,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:25,731 INFO L93 Difference]: Finished difference Result 863 states and 1072 transitions. [2021-10-28 08:48:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:48:25,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 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 74 [2021-10-28 08:48:25,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:25,732 INFO L225 Difference]: With dead ends: 863 [2021-10-28 08:48:25,733 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:48:25,736 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:48:25,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:48:25,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:48:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:48:25,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-10-28 08:48:25,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:25,738 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:48:25,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:48:25,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:48:25,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:48:25,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:48:25,742 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:48:25,743 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:48:25,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 08:48:25,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:48:25,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:25,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:25,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:25,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:25,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:25,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:25,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:25,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:25,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:26,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:26,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:26,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:26,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:26,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:26,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:26,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:27,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:27,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:27,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:27,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:27,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:28,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:29,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:29,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:36,876 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-28 08:48:36,877 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2021-10-28 08:48:36,877 INFO L857 garLoopResultBuilder]: For program point L234-1(lines 234 251) no Hoare annotation was computed. [2021-10-28 08:48:36,877 INFO L857 garLoopResultBuilder]: For program point L234-2(lines 234 251) no Hoare annotation was computed. [2021-10-28 08:48:36,877 INFO L857 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2021-10-28 08:48:36,877 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 950) no Hoare annotation was computed. [2021-10-28 08:48:36,877 INFO L857 garLoopResultBuilder]: For program point L930-2(lines 930 950) no Hoare annotation was computed. [2021-10-28 08:48:36,878 INFO L857 garLoopResultBuilder]: For program point L930-4(lines 930 950) no Hoare annotation was computed. [2021-10-28 08:48:36,878 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,878 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,878 INFO L857 garLoopResultBuilder]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,879 INFO L857 garLoopResultBuilder]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,879 INFO L857 garLoopResultBuilder]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,879 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-28 08:48:36,879 INFO L857 garLoopResultBuilder]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,879 INFO L857 garLoopResultBuilder]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,879 INFO L857 garLoopResultBuilder]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,880 INFO L857 garLoopResultBuilder]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,880 INFO L857 garLoopResultBuilder]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,880 INFO L857 garLoopResultBuilder]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,880 INFO L857 garLoopResultBuilder]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-10-28 08:48:36,880 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 246) no Hoare annotation was computed. [2021-10-28 08:48:36,881 INFO L857 garLoopResultBuilder]: For program point L238-1(lines 238 246) no Hoare annotation was computed. [2021-10-28 08:48:36,881 INFO L857 garLoopResultBuilder]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2021-10-28 08:48:36,881 INFO L857 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2021-10-28 08:48:36,881 INFO L857 garLoopResultBuilder]: For program point L833-3(lines 833 837) no Hoare annotation was computed. [2021-10-28 08:48:36,882 INFO L857 garLoopResultBuilder]: For program point L833-6(lines 833 837) no Hoare annotation was computed. [2021-10-28 08:48:36,882 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-10-28 08:48:36,882 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:48:36,883 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 176 182) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse8 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse5 .cse6 (= ~waterLevel~0 1) .cse9) (and .cse5 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse9))) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse7 .cse3) (and .cse5 .cse6 .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse6 .cse10 .cse3 .cse4)))) [2021-10-28 08:48:36,883 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-28 08:48:36,883 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-10-28 08:48:36,883 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2021-10-28 08:48:36,883 INFO L857 garLoopResultBuilder]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2021-10-28 08:48:36,884 INFO L857 garLoopResultBuilder]: For program point L208-3(lines 208 225) no Hoare annotation was computed. [2021-10-28 08:48:36,884 INFO L857 garLoopResultBuilder]: For program point L208-4(lines 208 225) no Hoare annotation was computed. [2021-10-28 08:48:36,884 INFO L857 garLoopResultBuilder]: For program point L208-5(lines 208 225) no Hoare annotation was computed. [2021-10-28 08:48:36,884 INFO L853 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (<= 2 ~waterLevel~0) .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 (= ~pumpRunning~0 0) .cse4 .cse5 (<= ~waterLevel~0 1) .cse6 .cse7))) [2021-10-28 08:48:36,885 INFO L853 garLoopResultBuilder]: At program point L902-1(lines 897 905) the Hoare annotation is: false [2021-10-28 08:48:36,885 INFO L853 garLoopResultBuilder]: At program point L902-2(lines 897 905) the Hoare annotation is: false [2021-10-28 08:48:36,885 INFO L853 garLoopResultBuilder]: At program point L176(lines 175 194) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse4 .cse6) (and .cse1 .cse8 .cse7 .cse4) (and .cse1 .cse8 .cse4 .cse5))) [2021-10-28 08:48:36,885 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-10-28 08:48:36,886 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 175 194) the Hoare annotation is: false [2021-10-28 08:48:36,886 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 175 194) the Hoare annotation is: false [2021-10-28 08:48:36,886 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2021-10-28 08:48:36,887 INFO L853 garLoopResultBuilder]: At program point L936-1(lines 1 953) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse11 (= ~pumpRunning~0 1)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse14 (= ~methaneLevelCritical~0 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse8 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 .cse12 .cse4 .cse5 (<= ~waterLevel~0 1) .cse8 .cse9 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse13 .cse8 .cse14 .cse10 .cse15 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse16 .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse8 .cse14 .cse16 .cse15 .cse11) (and .cse1 .cse12 .cse13 .cse8 .cse14 .cse15) (and .cse1 .cse12 .cse5 .cse8 (= ~waterLevel~0 1)))) [2021-10-28 08:48:36,887 INFO L853 garLoopResultBuilder]: At program point L870(lines 865 873) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5))) [2021-10-28 08:48:36,887 INFO L857 garLoopResultBuilder]: For program point L936-2(lines 936 949) no Hoare annotation was computed. [2021-10-28 08:48:36,887 INFO L853 garLoopResultBuilder]: At program point L870-1(lines 865 873) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse9 (<= 2 ~waterLevel~0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse13 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse4 .cse10 .cse11 .cse12 .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse8 .cse9 .cse4 .cse11 .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse4 .cse10 .cse14 .cse12 .cse13) (and .cse0 .cse1 .cse4 .cse10 .cse12))) [2021-10-28 08:48:36,888 INFO L853 garLoopResultBuilder]: At program point L936-3(lines 1 953) the Hoare annotation is: false [2021-10-28 08:48:36,888 INFO L853 garLoopResultBuilder]: At program point L870-2(lines 865 873) the Hoare annotation is: false [2021-10-28 08:48:36,888 INFO L857 garLoopResultBuilder]: For program point L936-4(lines 936 949) no Hoare annotation was computed. [2021-10-28 08:48:36,888 INFO L853 garLoopResultBuilder]: At program point L870-3(lines 865 873) the Hoare annotation is: false [2021-10-28 08:48:36,888 INFO L853 garLoopResultBuilder]: At program point L936-5(lines 1 953) the Hoare annotation is: false [2021-10-28 08:48:36,889 INFO L853 garLoopResultBuilder]: At program point L870-4(lines 865 873) the Hoare annotation is: false [2021-10-28 08:48:36,889 INFO L853 garLoopResultBuilder]: At program point L870-5(lines 865 873) the Hoare annotation is: false [2021-10-28 08:48:36,889 INFO L853 garLoopResultBuilder]: At program point L342(lines 327 345) the Hoare annotation is: false [2021-10-28 08:48:36,889 INFO L853 garLoopResultBuilder]: At program point L342-1(lines 327 345) the Hoare annotation is: (let ((.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (<= 2 ~waterLevel~0)) (.cse0 (not .cse14)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse8 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse12 .cse7 .cse13 .cse14) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse4 .cse12 .cse7 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse13 .cse8)))) [2021-10-28 08:48:36,890 INFO L853 garLoopResultBuilder]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-10-28 08:48:36,890 INFO L853 garLoopResultBuilder]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-10-28 08:48:36,890 INFO L853 garLoopResultBuilder]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-10-28 08:48:36,890 INFO L853 garLoopResultBuilder]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-10-28 08:48:36,891 INFO L853 garLoopResultBuilder]: At program point L278(lines 271 281) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse5))) [2021-10-28 08:48:36,891 INFO L853 garLoopResultBuilder]: At program point L278-1(lines 271 281) the Hoare annotation is: false [2021-10-28 08:48:36,891 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-10-28 08:48:36,891 INFO L853 garLoopResultBuilder]: At program point L278-2(lines 271 281) the Hoare annotation is: false [2021-10-28 08:48:36,891 INFO L857 garLoopResultBuilder]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2021-10-28 08:48:36,892 INFO L857 garLoopResultBuilder]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2021-10-28 08:48:36,892 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-10-28 08:48:36,892 INFO L857 garLoopResultBuilder]: For program point L212-3(lines 212 220) no Hoare annotation was computed. [2021-10-28 08:48:36,892 INFO L853 garLoopResultBuilder]: At program point L113-1(lines 113 119) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse16 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse11 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse7 .cse8 .cse15 .cse13) (and .cse7 .cse8 .cse16 .cse4 .cse13))) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse9 .cse10 .cse4 .cse11 .cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4 .cse5 .cse11 .cse6 .cse13) (and .cse8 .cse14 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse14 .cse10 .cse4 .cse15) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse8 .cse14 .cse9 .cse10 .cse4 .cse12 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (and .cse8 .cse14 .cse10 .cse16 .cse4) (and .cse0 .cse1 .cse9 .cse10 .cse2 .cse4 .cse12)))) [2021-10-28 08:48:36,893 INFO L857 garLoopResultBuilder]: For program point L212-4(lines 212 220) no Hoare annotation was computed. [2021-10-28 08:48:36,893 INFO L857 garLoopResultBuilder]: For program point L212-5(lines 212 220) no Hoare annotation was computed. [2021-10-28 08:48:36,893 INFO L853 garLoopResultBuilder]: At program point L741-2(lines 741 755) the Hoare annotation is: false [2021-10-28 08:48:36,893 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2021-10-28 08:48:36,893 INFO L857 garLoopResultBuilder]: For program point L940-2(lines 940 946) no Hoare annotation was computed. [2021-10-28 08:48:36,894 INFO L857 garLoopResultBuilder]: For program point L940-4(lines 940 946) no Hoare annotation was computed. [2021-10-28 08:48:36,894 INFO L857 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2021-10-28 08:48:36,894 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:48:36,894 INFO L853 garLoopResultBuilder]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse11 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse7 .cse10 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse11 .cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse9) (and .cse1 .cse12 .cse4 (<= ~waterLevel~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse11 .cse8 .cse9) (and .cse1 .cse12 .cse7 .cse11))) [2021-10-28 08:48:36,895 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 183 189) the Hoare annotation is: false [2021-10-28 08:48:36,895 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 183 189) the Hoare annotation is: false [2021-10-28 08:48:36,895 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2021-10-28 08:48:36,895 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 910 916) no Hoare annotation was computed. [2021-10-28 08:48:36,895 INFO L857 garLoopResultBuilder]: For program point L910-2(lines 910 916) no Hoare annotation was computed. [2021-10-28 08:48:36,896 INFO L857 garLoopResultBuilder]: For program point L910-3(lines 910 916) no Hoare annotation was computed. [2021-10-28 08:48:36,896 INFO L857 garLoopResultBuilder]: For program point L910-4(lines 910 916) no Hoare annotation was computed. [2021-10-28 08:48:36,896 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2021-10-28 08:48:36,896 INFO L857 garLoopResultBuilder]: For program point L910-5(lines 910 916) no Hoare annotation was computed. [2021-10-28 08:48:36,896 INFO L857 garLoopResultBuilder]: For program point L745-1(lines 176 182) no Hoare annotation was computed. [2021-10-28 08:48:36,897 INFO L853 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2021-10-28 08:48:36,897 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-10-28 08:48:36,897 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 819) no Hoare annotation was computed. [2021-10-28 08:48:36,897 INFO L860 garLoopResultBuilder]: At program point L812-1(lines 812 819) the Hoare annotation is: true [2021-10-28 08:48:36,897 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:48:36,898 INFO L853 garLoopResultBuilder]: At program point L287(lines 282 290) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (<= 2 ~waterLevel~0) .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8 .cse9))) [2021-10-28 08:48:36,898 INFO L853 garLoopResultBuilder]: At program point L287-1(lines 282 290) the Hoare annotation is: false [2021-10-28 08:48:36,898 INFO L853 garLoopResultBuilder]: At program point L287-2(lines 282 290) the Hoare annotation is: false [2021-10-28 08:48:36,898 INFO L853 garLoopResultBuilder]: At program point L915(lines 906 919) the Hoare annotation is: false [2021-10-28 08:48:36,899 INFO L853 garLoopResultBuilder]: At program point L915-1(lines 906 919) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (not .cse5)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse7 .cse0 .cse1 .cse6 .cse8 .cse3) (and .cse7 .cse0 .cse1 .cse8 .cse3 .cse4)))) [2021-10-28 08:48:36,899 INFO L853 garLoopResultBuilder]: At program point L915-2(lines 906 919) the Hoare annotation is: false [2021-10-28 08:48:36,899 INFO L853 garLoopResultBuilder]: At program point L915-3(lines 906 919) the Hoare annotation is: false [2021-10-28 08:48:36,899 INFO L853 garLoopResultBuilder]: At program point L915-4(lines 906 919) the Hoare annotation is: false [2021-10-28 08:48:36,899 INFO L853 garLoopResultBuilder]: At program point L915-5(lines 906 919) the Hoare annotation is: false [2021-10-28 08:48:36,900 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2021-10-28 08:48:36,900 INFO L853 garLoopResultBuilder]: At program point L123-1(lines 123 129) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse8 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse5 .cse6 (= ~waterLevel~0 1) .cse9) (and .cse5 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse9))) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse7 .cse3) (and .cse5 .cse6 .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse6 .cse10 .cse3 .cse4)))) [2021-10-28 08:48:36,900 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:48:36,900 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:48:36,900 INFO L860 garLoopResultBuilder]: At program point L821(lines 802 824) the Hoare annotation is: true [2021-10-28 08:48:36,901 INFO L853 garLoopResultBuilder]: At program point L789(lines 785 791) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:48:36,901 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-10-28 08:48:36,901 INFO L857 garLoopResultBuilder]: For program point L725(line 725) no Hoare annotation was computed. [2021-10-28 08:48:36,901 INFO L857 garLoopResultBuilder]: For program point L725-1(line 725) no Hoare annotation was computed. [2021-10-28 08:48:36,901 INFO L857 garLoopResultBuilder]: For program point L725-2(line 725) no Hoare annotation was computed. [2021-10-28 08:48:36,902 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:48:36,902 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-28 08:48:36,902 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 146) no Hoare annotation was computed. [2021-10-28 08:48:36,906 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:36,908 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:48:36,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:48:36 BoogieIcfgContainer [2021-10-28 08:48:36,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:48:36,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:48:36,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:48:36,991 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:48:36,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:48:20" (3/4) ... [2021-10-28 08:48:36,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:48:37,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:48:37,031 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:48:37,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:48:37,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:48:37,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:48:37,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:48:37,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:48:37,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-28 08:48:37,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((tmp___0 == 1 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && tmp == 0) [2021-10-28 08:48:37,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 08:48:37,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 08:48:37,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 08:48:37,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 08:48:37,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-28 08:48:37,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) [2021-10-28 08:48:37,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 1) [2021-10-28 08:48:37,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 08:48:37,093 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) [2021-10-28 08:48:37,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && !(tmp == 0)) [2021-10-28 08:48:37,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) [2021-10-28 08:48:37,198 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:48:37,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:48:37,201 INFO L168 Benchmark]: Toolchain (without parser) took 19351.56 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 58.3 MB in the beginning and 179.7 MB in the end (delta: -121.4 MB). Peak memory consumption was 111.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:37,201 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:48:37,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.31 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 65.8 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:37,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.38 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 62.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:37,203 INFO L168 Benchmark]: Boogie Preprocessor took 59.12 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 59.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:37,204 INFO L168 Benchmark]: RCFGBuilder took 1464.78 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 54.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:37,204 INFO L168 Benchmark]: TraceAbstraction took 16777.18 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 53.5 MB in the beginning and 67.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 111.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:37,205 INFO L168 Benchmark]: Witness Printer took 208.46 ms. Allocated memory is still 211.8 MB. Free memory was 67.1 MB in the beginning and 179.7 MB in the end (delta: -112.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:37,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.31 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 65.8 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.38 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 62.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.12 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 59.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1464.78 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 54.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16777.18 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 53.5 MB in the beginning and 67.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 111.5 MB. Max. memory is 16.1 GB. * Witness Printer took 208.46 ms. Allocated memory is still 211.8 MB. Free memory was 67.1 MB in the beginning and 179.7 MB in the end (delta: -112.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1525 SDtfs, 2009 SDslu, 2416 SDs, 0 SdLazy, 371 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1190 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 328 NumberOfFragments, 1699 HoareAnnotationTreeSize, 46 FomulaSimplifications, 4376041 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1399915 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1069 SizeOfPredicates, 3 NumberOfNonLiveVariables, 434 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 118/122 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: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && !(tmp == 0)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((((((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((tmp___0 == 1 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:48:37,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504e7ac8-c0bd-45db-928a-22b6a194c76e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...