./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 288d25dbf636d510765b70dd57b8dfe428e9c588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:53:08,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:53:08,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:53:08,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:53:08,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:53:08,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:53:08,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:53:08,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:53:08,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:53:08,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:53:08,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:53:08,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:53:08,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:53:08,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:53:08,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:53:08,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:53:08,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:53:08,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:53:08,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:53:08,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:53:08,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:53:08,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:53:08,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:53:08,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:53:08,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:53:08,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:53:08,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:53:08,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:53:08,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:53:08,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:53:08,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:53:08,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:53:08,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:53:08,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:53:08,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:53:08,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:53:08,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:53:08,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:53:08,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:53:08,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:53:08,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:53:08,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:53:08,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:53:08,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:53:08,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:53:08,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:53:08,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:53:08,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:53:08,214 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:53:08,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:53:08,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:53:08,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:53:08,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:53:08,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:53:08,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:53:08,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:53:08,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:53:08,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:53:08,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:53:08,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:53:08,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:53:08,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:53:08,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:53:08,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:53:08,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:08,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:53:08,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:53:08,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:53:08,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:53:08,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:53:08,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:53:08,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:53:08,223 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_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288d25dbf636d510765b70dd57b8dfe428e9c588 [2021-10-13 00:53:08,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:53:08,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:53:08,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:53:08,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:53:08,547 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:53:08,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-10-13 00:53:08,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/data/cea1a215e/cbe41b8647f9459e9eba666dce6f1504/FLAG57e91f185 [2021-10-13 00:53:09,098 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:53:09,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-10-13 00:53:09,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/data/cea1a215e/cbe41b8647f9459e9eba666dce6f1504/FLAG57e91f185 [2021-10-13 00:53:09,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/data/cea1a215e/cbe41b8647f9459e9eba666dce6f1504 [2021-10-13 00:53:09,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:53:09,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:53:09,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:09,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:53:09,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:53:09,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:09,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3f0220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09, skipping insertion in model container [2021-10-13 00:53:09,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:09,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:53:09,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:53:09,818 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_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[16882,16895] [2021-10-13 00:53:09,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:09,833 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:53:09,935 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_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[16882,16895] [2021-10-13 00:53:09,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:09,971 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:53:09,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09 WrapperNode [2021-10-13 00:53:09,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:09,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:53:09,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:53:09,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:53:09,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:53:10,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:53:10,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:53:10,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:53:10,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:53:10,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:53:10,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:53:10,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:53:10,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (1/1) ... [2021-10-13 00:53:10,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:10,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:10,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:53:10,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:53:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:53:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:53:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:53:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:53:11,092 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:53:11,092 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-13 00:53:11,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:11 BoogieIcfgContainer [2021-10-13 00:53:11,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:53:11,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:53:11,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:53:11,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:53:11,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:53:09" (1/3) ... [2021-10-13 00:53:11,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e4da45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:11, skipping insertion in model container [2021-10-13 00:53:11,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:09" (2/3) ... [2021-10-13 00:53:11,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e4da45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:11, skipping insertion in model container [2021-10-13 00:53:11,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:11" (3/3) ... [2021-10-13 00:53:11,103 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2021-10-13 00:53:11,111 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:53:11,111 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:53:11,167 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:53:11,173 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:53:11,173 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:53:11,190 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) [2021-10-13 00:53:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:53:11,195 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:11,196 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:11,196 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:11,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:11,201 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2021-10-13 00:53:11,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:11,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555359385] [2021-10-13 00:53:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:11,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:11,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:11,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555359385] [2021-10-13 00:53:11,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555359385] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:11,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:11,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:53:11,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012659851] [2021-10-13 00:53:11,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:53:11,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:11,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:53:11,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:53:11,530 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) [2021-10-13 00:53:11,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:11,584 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-13 00:53:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:53:11,585 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 [2021-10-13 00:53:11,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:11,594 INFO L225 Difference]: With dead ends: 228 [2021-10-13 00:53:11,594 INFO L226 Difference]: Without dead ends: 113 [2021-10-13 00:53:11,596 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:53:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-13 00:53:11,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-13 00:53:11,629 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) [2021-10-13 00:53:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-13 00:53:11,632 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-10-13 00:53:11,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:11,633 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-13 00:53:11,633 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) [2021-10-13 00:53:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-13 00:53:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:53:11,635 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:11,635 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:11,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:53:11,636 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:11,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:11,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2021-10-13 00:53:11,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:11,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353076146] [2021-10-13 00:53:11,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:11,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:11,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:11,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353076146] [2021-10-13 00:53:11,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353076146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:11,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:11,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:11,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108325269] [2021-10-13 00:53:11,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:11,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:11,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:11,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:11,757 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) [2021-10-13 00:53:11,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:11,776 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-13 00:53:11,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:11,777 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 [2021-10-13 00:53:11,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:11,779 INFO L225 Difference]: With dead ends: 113 [2021-10-13 00:53:11,780 INFO L226 Difference]: Without dead ends: 47 [2021-10-13 00:53:11,781 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:11,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-13 00:53:11,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-13 00:53:11,792 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) [2021-10-13 00:53:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-13 00:53:11,792 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-13 00:53:11,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:11,793 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-13 00:53:11,793 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) [2021-10-13 00:53:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-13 00:53:11,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:53:11,794 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:11,794 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:11,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:53:11,794 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:11,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:11,795 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2021-10-13 00:53:11,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:11,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503968770] [2021-10-13 00:53:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:11,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:11,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:11,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503968770] [2021-10-13 00:53:11,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503968770] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:11,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:11,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:53:11,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394063527] [2021-10-13 00:53:11,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:53:11,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:11,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:53:11,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:53:11,939 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:12,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:12,084 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-13 00:53:12,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:12,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 00:53:12,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:12,086 INFO L225 Difference]: With dead ends: 88 [2021-10-13 00:53:12,086 INFO L226 Difference]: Without dead ends: 47 [2021-10-13 00:53:12,086 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:53:12,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-13 00:53:12,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-13 00:53:12,117 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) [2021-10-13 00:53:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-13 00:53:12,118 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-13 00:53:12,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:12,118 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-13 00:53:12,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-13 00:53:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:53:12,119 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:12,120 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:12,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:53:12,120 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:12,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:12,121 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2021-10-13 00:53:12,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:12,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653633825] [2021-10-13 00:53:12,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:12,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:12,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:12,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653633825] [2021-10-13 00:53:12,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653633825] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:12,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:12,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:53:12,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207826632] [2021-10-13 00:53:12,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:12,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:12,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:12,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:12,172 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) [2021-10-13 00:53:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:12,194 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-10-13 00:53:12,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:12,195 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 [2021-10-13 00:53:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:12,196 INFO L225 Difference]: With dead ends: 111 [2021-10-13 00:53:12,196 INFO L226 Difference]: Without dead ends: 70 [2021-10-13 00:53:12,197 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:12,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-13 00:53:12,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-10-13 00:53:12,204 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) [2021-10-13 00:53:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-10-13 00:53:12,205 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-10-13 00:53:12,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:12,205 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-10-13 00:53:12,205 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) [2021-10-13 00:53:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-10-13 00:53:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 00:53:12,207 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:12,207 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:12,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:53:12,207 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:12,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:12,208 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2021-10-13 00:53:12,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:12,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577941088] [2021-10-13 00:53:12,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:12,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:12,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:12,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577941088] [2021-10-13 00:53:12,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577941088] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:12,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:12,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:53:12,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319651620] [2021-10-13 00:53:12,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:12,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:12,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:12,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:12,272 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) [2021-10-13 00:53:12,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:12,325 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-10-13 00:53:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:53:12,326 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 [2021-10-13 00:53:12,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:12,327 INFO L225 Difference]: With dead ends: 183 [2021-10-13 00:53:12,328 INFO L226 Difference]: Without dead ends: 121 [2021-10-13 00:53:12,328 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:53:12,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-13 00:53:12,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-10-13 00:53:12,337 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) [2021-10-13 00:53:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-10-13 00:53:12,338 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-10-13 00:53:12,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:12,338 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-10-13 00:53:12,338 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) [2021-10-13 00:53:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-10-13 00:53:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 00:53:12,340 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:12,340 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:12,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:53:12,340 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:12,341 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2021-10-13 00:53:12,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:12,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362978882] [2021-10-13 00:53:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:12,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:12,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:12,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:12,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362978882] [2021-10-13 00:53:12,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362978882] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:12,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:12,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:53:12,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287443837] [2021-10-13 00:53:12,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:12,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:12,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:12,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:12,400 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) [2021-10-13 00:53:12,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:12,485 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-10-13 00:53:12,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:53:12,486 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 [2021-10-13 00:53:12,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:12,488 INFO L225 Difference]: With dead ends: 373 [2021-10-13 00:53:12,489 INFO L226 Difference]: Without dead ends: 305 [2021-10-13 00:53:12,489 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:53:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-13 00:53:12,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-10-13 00:53:12,504 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) [2021-10-13 00:53:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-10-13 00:53:12,505 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-10-13 00:53:12,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:12,506 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-10-13 00:53:12,506 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) [2021-10-13 00:53:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-10-13 00:53:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 00:53:12,507 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:12,508 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:12,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:53:12,508 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:12,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:12,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2021-10-13 00:53:12,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:12,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93375882] [2021-10-13 00:53:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:12,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:12,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:12,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93375882] [2021-10-13 00:53:12,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93375882] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:12,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:12,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:12,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469962542] [2021-10-13 00:53:12,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:53:12,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:12,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:53:12,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:12,576 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) [2021-10-13 00:53:12,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:12,715 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-10-13 00:53:12,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:53:12,716 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 [2021-10-13 00:53:12,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:12,717 INFO L225 Difference]: With dead ends: 250 [2021-10-13 00:53:12,717 INFO L226 Difference]: Without dead ends: 182 [2021-10-13 00:53:12,718 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:12,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-13 00:53:12,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-10-13 00:53:12,736 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) [2021-10-13 00:53:12,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-10-13 00:53:12,737 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-10-13 00:53:12,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:12,738 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-10-13 00:53:12,738 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) [2021-10-13 00:53:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-10-13 00:53:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 00:53:12,740 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:12,740 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:12,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:53:12,740 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:12,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:12,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2021-10-13 00:53:12,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:12,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117501020] [2021-10-13 00:53:12,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:12,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:12,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:12,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117501020] [2021-10-13 00:53:12,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117501020] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:12,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:12,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:53:12,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456497465] [2021-10-13 00:53:12,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:53:12,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:12,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:53:12,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:12,788 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) [2021-10-13 00:53:12,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:12,840 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-10-13 00:53:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:12,841 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 [2021-10-13 00:53:12,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:12,843 INFO L225 Difference]: With dead ends: 422 [2021-10-13 00:53:12,843 INFO L226 Difference]: Without dead ends: 295 [2021-10-13 00:53:12,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:12,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-13 00:53:12,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-10-13 00:53:12,859 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) [2021-10-13 00:53:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-10-13 00:53:12,860 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-10-13 00:53:12,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:12,861 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-10-13 00:53:12,861 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) [2021-10-13 00:53:12,861 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-10-13 00:53:12,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 00:53:12,863 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:12,863 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:12,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:53:12,863 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:12,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:12,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2021-10-13 00:53:12,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:12,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018291379] [2021-10-13 00:53:12,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:12,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:12,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:12,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018291379] [2021-10-13 00:53:12,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018291379] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:12,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:12,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:53:12,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557171459] [2021-10-13 00:53:12,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:12,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:12,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:12,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:12,926 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) [2021-10-13 00:53:13,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:13,126 INFO L93 Difference]: Finished difference Result 457 states and 634 transitions. [2021-10-13 00:53:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:53:13,128 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 [2021-10-13 00:53:13,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:13,130 INFO L225 Difference]: With dead ends: 457 [2021-10-13 00:53:13,130 INFO L226 Difference]: Without dead ends: 290 [2021-10-13 00:53:13,133 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:53:13,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-13 00:53:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 152. [2021-10-13 00:53:13,150 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) [2021-10-13 00:53:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-10-13 00:53:13,157 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-10-13 00:53:13,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:13,160 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-10-13 00:53:13,160 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) [2021-10-13 00:53:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-10-13 00:53:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 00:53:13,164 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:13,165 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:13,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:53:13,165 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:13,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:13,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2021-10-13 00:53:13,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:13,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522178076] [2021-10-13 00:53:13,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:13,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:13,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:13,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522178076] [2021-10-13 00:53:13,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522178076] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:13,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:13,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:53:13,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258451375] [2021-10-13 00:53:13,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:13,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:13,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:13,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:13,255 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) [2021-10-13 00:53:13,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:13,309 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-10-13 00:53:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:13,310 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 [2021-10-13 00:53:13,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:13,312 INFO L225 Difference]: With dead ends: 385 [2021-10-13 00:53:13,312 INFO L226 Difference]: Without dead ends: 239 [2021-10-13 00:53:13,313 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:53:13,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-13 00:53:13,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-10-13 00:53:13,342 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) [2021-10-13 00:53:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-10-13 00:53:13,343 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-10-13 00:53:13,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:13,344 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-10-13 00:53:13,344 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) [2021-10-13 00:53:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-10-13 00:53:13,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 00:53:13,346 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:13,346 INFO L512 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] [2021-10-13 00:53:13,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:53:13,347 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:13,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2021-10-13 00:53:13,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:13,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650385524] [2021-10-13 00:53:13,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:13,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:13,428 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 00:53:13,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:13,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650385524] [2021-10-13 00:53:13,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650385524] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:13,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:13,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:53:13,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430905825] [2021-10-13 00:53:13,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:53:13,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:13,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:53:13,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:53:13,432 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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) [2021-10-13 00:53:13,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:13,494 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-10-13 00:53:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:53:13,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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 [2021-10-13 00:53:13,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:13,495 INFO L225 Difference]: With dead ends: 281 [2021-10-13 00:53:13,495 INFO L226 Difference]: Without dead ends: 173 [2021-10-13 00:53:13,496 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:53:13,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-13 00:53:13,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-10-13 00:53:13,509 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) [2021-10-13 00:53:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-10-13 00:53:13,510 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-10-13 00:53:13,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:13,510 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-10-13 00:53:13,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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) [2021-10-13 00:53:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-10-13 00:53:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 00:53:13,511 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:13,511 INFO L512 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] [2021-10-13 00:53:13,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:53:13,512 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:13,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2021-10-13 00:53:13,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:13,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895390943] [2021-10-13 00:53:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:13,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:13,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:13,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895390943] [2021-10-13 00:53:13,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895390943] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:13,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:13,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:53:13,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757548721] [2021-10-13 00:53:13,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:13,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:13,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:13,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:13,595 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) [2021-10-13 00:53:13,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:13,712 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-10-13 00:53:13,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:53:13,713 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 [2021-10-13 00:53:13,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:13,717 INFO L225 Difference]: With dead ends: 633 [2021-10-13 00:53:13,717 INFO L226 Difference]: Without dead ends: 515 [2021-10-13 00:53:13,717 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 41.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:53:13,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-13 00:53:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-10-13 00:53:13,755 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) [2021-10-13 00:53:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-10-13 00:53:13,756 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-10-13 00:53:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:13,756 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-10-13 00:53:13,757 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) [2021-10-13 00:53:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-10-13 00:53:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-13 00:53:13,759 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:13,759 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:13,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 00:53:13,760 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:13,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:13,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2021-10-13 00:53:13,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:13,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610013760] [2021-10-13 00:53:13,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:13,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 00:53:13,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:13,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610013760] [2021-10-13 00:53:13,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610013760] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:13,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152305274] [2021-10-13 00:53:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:13,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:13,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:13,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:53:13,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:53:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:13,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:53:14,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 00:53:14,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152305274] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:14,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:53:14,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-13 00:53:14,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378973116] [2021-10-13 00:53:14,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 00:53:14,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:14,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:53:14,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:53:14,274 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:14,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:14,534 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-10-13 00:53:14,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:53:14,535 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 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 [2021-10-13 00:53:14,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:14,537 INFO L225 Difference]: With dead ends: 580 [2021-10-13 00:53:14,537 INFO L226 Difference]: Without dead ends: 346 [2021-10-13 00:53:14,538 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 123.2ms TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-13 00:53:14,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-13 00:53:14,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-10-13 00:53:14,565 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) [2021-10-13 00:53:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-10-13 00:53:14,567 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-10-13 00:53:14,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:14,568 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-10-13 00:53:14,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-10-13 00:53:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-13 00:53:14,569 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:14,569 INFO L512 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] [2021-10-13 00:53:14,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:14,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-13 00:53:14,786 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:14,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:14,787 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2021-10-13 00:53:14,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:14,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534783515] [2021-10-13 00:53:14,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:14,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:53:14,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:14,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534783515] [2021-10-13 00:53:14,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534783515] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:14,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:14,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:53:14,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209968699] [2021-10-13 00:53:14,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:53:14,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:14,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:53:14,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:53:14,908 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) [2021-10-13 00:53:15,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:15,034 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2021-10-13 00:53:15,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:53:15,035 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 [2021-10-13 00:53:15,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:15,037 INFO L225 Difference]: With dead ends: 547 [2021-10-13 00:53:15,038 INFO L226 Difference]: Without dead ends: 377 [2021-10-13 00:53:15,038 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 48.7ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-13 00:53:15,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-13 00:53:15,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2021-10-13 00:53:15,064 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) [2021-10-13 00:53:15,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2021-10-13 00:53:15,065 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2021-10-13 00:53:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:15,066 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2021-10-13 00:53:15,066 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) [2021-10-13 00:53:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2021-10-13 00:53:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-13 00:53:15,068 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:15,068 INFO L512 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] [2021-10-13 00:53:15,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 00:53:15,068 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:15,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:15,069 INFO L82 PathProgramCache]: Analyzing trace with hash 848239207, now seen corresponding path program 1 times [2021-10-13 00:53:15,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:15,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370222026] [2021-10-13 00:53:15,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:15,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-13 00:53:15,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:15,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370222026] [2021-10-13 00:53:15,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370222026] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:15,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:15,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:53:15,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518548080] [2021-10-13 00:53:15,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:15,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:15,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:15,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:15,158 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) [2021-10-13 00:53:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:15,333 INFO L93 Difference]: Finished difference Result 929 states and 1155 transitions. [2021-10-13 00:53:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:53:15,334 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 [2021-10-13 00:53:15,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:15,334 INFO L225 Difference]: With dead ends: 929 [2021-10-13 00:53:15,334 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:53:15,337 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:53:15,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:53:15,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:53:15,338 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) [2021-10-13 00:53:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:53:15,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-10-13 00:53:15,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:15,338 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:53:15,338 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) [2021-10-13 00:53:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:53:15,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:53:15,341 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:53:15,341 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:53:15,342 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:53:15,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 00:53:15,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:53:15,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:15,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:16,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:16,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:16,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:16,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:16,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:16,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:16,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:17,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:18,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:18,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:23,305 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-13 00:53:23,305 INFO L857 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2021-10-13 00:53:23,305 INFO L857 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2021-10-13 00:53:23,306 INFO L857 garLoopResultBuilder]: For program point L862-2(line 862) no Hoare annotation was computed. [2021-10-13 00:53:23,306 INFO L853 garLoopResultBuilder]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse14 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse8 (= ~pumpRunning~0 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse11 (<= ~waterLevel~0 1) .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse11 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse11 .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse4 .cse6 .cse7))) [2021-10-13 00:53:23,306 INFO L853 garLoopResultBuilder]: At program point L534-1(lines 534 540) the Hoare annotation is: false [2021-10-13 00:53:23,306 INFO L853 garLoopResultBuilder]: At program point L534-2(lines 534 540) the Hoare annotation is: false [2021-10-13 00:53:23,307 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-13 00:53:23,307 INFO L853 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-13 00:53:23,307 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-13 00:53:23,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-13 00:53:23,307 INFO L857 garLoopResultBuilder]: For program point L770(lines 770 774) no Hoare annotation was computed. [2021-10-13 00:53:23,308 INFO L857 garLoopResultBuilder]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2021-10-13 00:53:23,308 INFO L853 garLoopResultBuilder]: At program point L638(lines 633 641) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse10 (= ~pumpRunning~0 1)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10 .cse11))) [2021-10-13 00:53:23,308 INFO L853 garLoopResultBuilder]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2021-10-13 00:53:23,308 INFO L857 garLoopResultBuilder]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2021-10-13 00:53:23,308 INFO L853 garLoopResultBuilder]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2021-10-13 00:53:23,308 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 749) no Hoare annotation was computed. [2021-10-13 00:53:23,309 INFO L853 garLoopResultBuilder]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10) (and .cse0 (= ~pumpRunning~0 0) .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10))) [2021-10-13 00:53:23,309 INFO L853 garLoopResultBuilder]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2021-10-13 00:53:23,309 INFO L853 garLoopResultBuilder]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2021-10-13 00:53:23,309 INFO L853 garLoopResultBuilder]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7))) [2021-10-13 00:53:23,310 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 802 810) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse17 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse14 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse11 .cse12 .cse4 .cse5 .cse6 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse14 .cse5 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10) (and .cse0 .cse16 .cse17 .cse11 .cse12 (<= ~waterLevel~0 1) .cse5 .cse8) (and .cse0 .cse16 .cse17 .cse3 .cse5 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse11 .cse12 .cse13 .cse14 .cse5 .cse6 .cse15 .cse8 .cse9 .cse10))) [2021-10-13 00:53:23,310 INFO L853 garLoopResultBuilder]: At program point L807-2(lines 802 810) the Hoare annotation is: false [2021-10-13 00:53:23,310 INFO L853 garLoopResultBuilder]: At program point L807-3(lines 802 810) the Hoare annotation is: false [2021-10-13 00:53:23,310 INFO L853 garLoopResultBuilder]: At program point L807-4(lines 802 810) the Hoare annotation is: false [2021-10-13 00:53:23,310 INFO L853 garLoopResultBuilder]: At program point L807-5(lines 802 810) the Hoare annotation is: false [2021-10-13 00:53:23,310 INFO L857 garLoopResultBuilder]: For program point L709(lines 708 753) no Hoare annotation was computed. [2021-10-13 00:53:23,311 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 714) no Hoare annotation was computed. [2021-10-13 00:53:23,311 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 896) no Hoare annotation was computed. [2021-10-13 00:53:23,311 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 896) no Hoare annotation was computed. [2021-10-13 00:53:23,311 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 748) no Hoare annotation was computed. [2021-10-13 00:53:23,311 INFO L857 garLoopResultBuilder]: For program point L876-4(lines 876 896) no Hoare annotation was computed. [2021-10-13 00:53:23,311 INFO L857 garLoopResultBuilder]: For program point L744-2(lines 527 533) no Hoare annotation was computed. [2021-10-13 00:53:23,312 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:53:23,312 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-13 00:53:23,312 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2021-10-13 00:53:23,312 INFO L857 garLoopResultBuilder]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2021-10-13 00:53:23,312 INFO L857 garLoopResultBuilder]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2021-10-13 00:53:23,312 INFO L857 garLoopResultBuilder]: For program point L847-3(lines 847 853) no Hoare annotation was computed. [2021-10-13 00:53:23,312 INFO L857 garLoopResultBuilder]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2021-10-13 00:53:23,313 INFO L857 garLoopResultBuilder]: For program point L847-5(lines 847 853) no Hoare annotation was computed. [2021-10-13 00:53:23,313 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 00:53:23,313 INFO L857 garLoopResultBuilder]: For program point L782(lines 782 786) no Hoare annotation was computed. [2021-10-13 00:53:23,313 INFO L857 garLoopResultBuilder]: For program point L882(lines 882 895) no Hoare annotation was computed. [2021-10-13 00:53:23,313 INFO L853 garLoopResultBuilder]: At program point L882-1(lines 1 934) the Hoare annotation is: (let ((.cse16 (<= 1 ~methaneLevelCritical~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse18 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse19 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse14 (= ~pumpRunning~0 1)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 2)) .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse3 .cse4 .cse10 .cse11 .cse5 .cse12 .cse6 .cse13 .cse7 .cse14 .cse15) (and .cse0 .cse8 .cse9 .cse16 .cse17 .cse5 .cse18 .cse12 .cse19 .cse7 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse16 .cse5 .cse18 .cse19 .cse7) (and .cse0 .cse8 .cse9 .cse16 .cse10 .cse11 .cse5 .cse18 .cse12 .cse19 .cse13 .cse7 .cse14 .cse15) (and .cse0 .cse8 .cse9 .cse3 .cse4 .cse17 .cse5 .cse12 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1) .cse7))) [2021-10-13 00:53:23,314 INFO L857 garLoopResultBuilder]: For program point L882-2(lines 882 895) no Hoare annotation was computed. [2021-10-13 00:53:23,314 INFO L853 garLoopResultBuilder]: At program point L882-3(lines 1 934) the Hoare annotation is: false [2021-10-13 00:53:23,314 INFO L857 garLoopResultBuilder]: For program point L882-4(lines 882 895) no Hoare annotation was computed. [2021-10-13 00:53:23,314 INFO L853 garLoopResultBuilder]: At program point L882-5(lines 1 934) the Hoare annotation is: false [2021-10-13 00:53:23,314 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 602) no Hoare annotation was computed. [2021-10-13 00:53:23,314 INFO L857 garLoopResultBuilder]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2021-10-13 00:53:23,315 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2021-10-13 00:53:23,315 INFO L857 garLoopResultBuilder]: For program point L718(lines 718 724) no Hoare annotation was computed. [2021-10-13 00:53:23,315 INFO L853 garLoopResultBuilder]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse18 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse16 (or (and .cse0 .cse2 .cse8 .cse5 .cse18 .cse6 .cse13) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse6 .cse13))) (.cse11 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse8 .cse9 .cse10 .cse5 .cse11 .cse12 .cse6 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse9 .cse5 .cse11 .cse12 .cse6) (and .cse7 .cse15 .cse3 .cse16 .cse17 .cse14) (and (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 2)) .cse0 .cse1 .cse2 .cse15 .cse3 .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse17 .cse6) (and .cse7 .cse9 .cse16 .cse11 .cse12 .cse14) (and .cse0 .cse7 .cse8 .cse15 .cse3 .cse10 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) .cse17 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse18 .cse6)))) [2021-10-13 00:53:23,315 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:53:23,315 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-13 00:53:23,315 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 527 533) no Hoare annotation was computed. [2021-10-13 00:53:23,316 INFO L853 garLoopResultBuilder]: At program point L852(lines 843 856) the Hoare annotation is: false [2021-10-13 00:53:23,316 INFO L853 garLoopResultBuilder]: At program point L852-1(lines 843 856) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse8 (not .cse6)) (.cse9 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse9 .cse10 .cse11 .cse4 .cse7) (and .cse8 .cse0 .cse1 .cse9 .cse2 .cse11 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5 .cse6 .cse7)))) [2021-10-13 00:53:23,316 INFO L853 garLoopResultBuilder]: At program point L852-2(lines 843 856) the Hoare annotation is: false [2021-10-13 00:53:23,316 INFO L853 garLoopResultBuilder]: At program point L852-3(lines 843 856) the Hoare annotation is: false [2021-10-13 00:53:23,316 INFO L853 garLoopResultBuilder]: At program point L852-4(lines 843 856) the Hoare annotation is: false [2021-10-13 00:53:23,317 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,317 INFO L853 garLoopResultBuilder]: At program point L852-5(lines 843 856) the Hoare annotation is: false [2021-10-13 00:53:23,317 INFO L857 garLoopResultBuilder]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,317 INFO L857 garLoopResultBuilder]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,317 INFO L857 garLoopResultBuilder]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,317 INFO L857 garLoopResultBuilder]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,318 INFO L857 garLoopResultBuilder]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,318 INFO L857 garLoopResultBuilder]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,318 INFO L857 garLoopResultBuilder]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,318 INFO L857 garLoopResultBuilder]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,318 INFO L857 garLoopResultBuilder]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,318 INFO L857 garLoopResultBuilder]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,318 INFO L857 garLoopResultBuilder]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2021-10-13 00:53:23,319 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 892) no Hoare annotation was computed. [2021-10-13 00:53:23,319 INFO L857 garLoopResultBuilder]: For program point L886-2(lines 886 892) no Hoare annotation was computed. [2021-10-13 00:53:23,319 INFO L853 garLoopResultBuilder]: At program point L754(lines 707 755) the Hoare annotation is: false [2021-10-13 00:53:23,319 INFO L857 garLoopResultBuilder]: For program point L886-4(lines 886 892) no Hoare annotation was computed. [2021-10-13 00:53:23,319 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 597) no Hoare annotation was computed. [2021-10-13 00:53:23,319 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2021-10-13 00:53:23,320 INFO L857 garLoopResultBuilder]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2021-10-13 00:53:23,320 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:53:23,320 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 576) no Hoare annotation was computed. [2021-10-13 00:53:23,320 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2021-10-13 00:53:23,320 INFO L857 garLoopResultBuilder]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2021-10-13 00:53:23,320 INFO L857 garLoopResultBuilder]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2021-10-13 00:53:23,321 INFO L857 garLoopResultBuilder]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2021-10-13 00:53:23,321 INFO L857 garLoopResultBuilder]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2021-10-13 00:53:23,321 INFO L853 garLoopResultBuilder]: At program point L923(lines 1 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:53:23,321 INFO L853 garLoopResultBuilder]: At program point L527(lines 526 545) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse11 .cse4 .cse6))) [2021-10-13 00:53:23,321 INFO L857 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2021-10-13 00:53:23,321 INFO L853 garLoopResultBuilder]: At program point L527-2(lines 526 545) the Hoare annotation is: false [2021-10-13 00:53:23,322 INFO L853 garLoopResultBuilder]: At program point L527-3(lines 526 545) the Hoare annotation is: false [2021-10-13 00:53:23,322 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:53:23,322 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-13 00:53:23,322 INFO L853 garLoopResultBuilder]: At program point L693(lines 678 696) the Hoare annotation is: false [2021-10-13 00:53:23,322 INFO L853 garLoopResultBuilder]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse12 (not .cse8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse14 (<= ~waterLevel~0 1)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (= 1 ~systemActive~0)) (.cse16 (not .cse3)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse12 .cse0 .cse1 .cse13 .cse11 .cse14 .cse15 .cse6 .cse16 .cse7 .cse9) (and .cse12 .cse0 .cse1 .cse13 .cse4 .cse14 .cse15 .cse6 .cse16 .cse7 .cse9)))) [2021-10-13 00:53:23,323 INFO L853 garLoopResultBuilder]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2021-10-13 00:53:23,323 INFO L853 garLoopResultBuilder]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2021-10-13 00:53:23,323 INFO L853 garLoopResultBuilder]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2021-10-13 00:53:23,323 INFO L853 garLoopResultBuilder]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2021-10-13 00:53:23,323 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-13 00:53:23,323 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-13 00:53:23,323 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-13 00:53:23,324 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 734) no Hoare annotation was computed. [2021-10-13 00:53:23,324 INFO L853 garLoopResultBuilder]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse4 .cse6 .cse10 .cse8 (= ~waterLevel~0 1) .cse9 .cse13) (and .cse4 .cse6 .cse10 (<= 2 ~waterLevel~0) .cse8 .cse9 .cse13))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse11 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse4 .cse0 .cse10 .cse7 .cse11 .cse8 .cse12 .cse9 .cse13 .cse3) (and .cse0 .cse7 .cse2 .cse3) (and .cse4 .cse0 .cse10 .cse1 .cse11 .cse8 .cse12 .cse9 .cse13 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse8 .cse9)))) [2021-10-13 00:53:23,324 INFO L853 garLoopResultBuilder]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse6 .cse7))) [2021-10-13 00:53:23,324 INFO L853 garLoopResultBuilder]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2021-10-13 00:53:23,324 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 571) no Hoare annotation was computed. [2021-10-13 00:53:23,325 INFO L853 garLoopResultBuilder]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2021-10-13 00:53:23,325 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2021-10-13 00:53:23,325 INFO L857 garLoopResultBuilder]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2021-10-13 00:53:23,325 INFO L857 garLoopResultBuilder]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2021-10-13 00:53:23,325 INFO L857 garLoopResultBuilder]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2021-10-13 00:53:23,325 INFO L857 garLoopResultBuilder]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2021-10-13 00:53:23,329 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:53:23,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:23 BoogieIcfgContainer [2021-10-13 00:53:23,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:53:23,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:53:23,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:53:23,375 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:53:23,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:11" (3/4) ... [2021-10-13 00:53:23,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:53:23,395 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:53:23,396 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:53:23,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:53:23,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:53:23,399 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:53:23,400 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:53:23,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:53:23,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-13 00:53:23,429 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-13 00:53:23,429 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-10-13 00:53:23,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp == 0) && tmp___0 == 1)) || (((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive)) || (((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && 1 <= tmp) && 1 <= \result) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-10-13 00:53:23,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((\result == 1 && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-13 00:53:23,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-13 00:53:23,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-13 00:53:23,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-13 00:53:23,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-13 00:53:23,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-13 00:53:23,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) [2021-10-13 00:53:23,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && \result == 1) && tmp == 0) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) [2021-10-13 00:53:23,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive) [2021-10-13 00:53:23,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) [2021-10-13 00:53:23,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:53:23,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:53:23,515 INFO L168 Benchmark]: Toolchain (without parser) took 14030.11 ms. Allocated memory was 90.2 MB in the beginning and 220.2 MB in the end (delta: 130.0 MB). Free memory was 55.6 MB in the beginning and 87.0 MB in the end (delta: -31.3 MB). Peak memory consumption was 97.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:23,516 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 62.5 MB in the beginning and 62.5 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:53:23,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.31 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 55.6 MB in the beginning and 86.4 MB in the end (delta: -30.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:23,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.85 ms. Allocated memory is still 117.4 MB. Free memory was 86.4 MB in the beginning and 82.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:23,517 INFO L168 Benchmark]: Boogie Preprocessor took 57.37 ms. Allocated memory is still 117.4 MB. Free memory was 82.8 MB in the beginning and 80.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:23,517 INFO L168 Benchmark]: RCFGBuilder took 963.58 ms. Allocated memory is still 117.4 MB. Free memory was 80.1 MB in the beginning and 89.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:23,518 INFO L168 Benchmark]: TraceAbstraction took 12277.18 ms. Allocated memory was 117.4 MB in the beginning and 220.2 MB in the end (delta: 102.8 MB). Free memory was 89.8 MB in the beginning and 97.5 MB in the end (delta: -7.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:23,518 INFO L168 Benchmark]: Witness Printer took 139.51 ms. Allocated memory is still 220.2 MB. Free memory was 97.5 MB in the beginning and 87.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:23,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 62.5 MB in the beginning and 62.5 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.31 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 55.6 MB in the beginning and 86.4 MB in the end (delta: -30.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.85 ms. Allocated memory is still 117.4 MB. Free memory was 86.4 MB in the beginning and 82.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.37 ms. Allocated memory is still 117.4 MB. Free memory was 82.8 MB in the beginning and 80.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 963.58 ms. Allocated memory is still 117.4 MB. Free memory was 80.1 MB in the beginning and 89.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12277.18 ms. Allocated memory was 117.4 MB in the beginning and 220.2 MB in the end (delta: 102.8 MB). Free memory was 89.8 MB in the beginning and 97.5 MB in the end (delta: -7.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 16.1 GB. * Witness Printer took 139.51 ms. Allocated memory is still 220.2 MB. Free memory was 97.5 MB in the beginning and 87.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: 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: 12163.5ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 28.5ms, AutomataDifference: 1662.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7962.4ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1538 SDtfs, 2322 SDslu, 2475 SDs, 0 SdLazy, 390 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 675.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 435.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 298.5ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1190 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 313 NumberOfFragments, 1898 HoareAnnotationTreeSize, 45 FomulaSimplifications, 5385353 FormulaSimplificationTreeSizeReduction, 2780.8ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 1279027 FormulaSimplificationTreeSizeReductionInter, 5164.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 108.2ms SsaConstructionTime, 400.6ms SatisfiabilityAnalysisTime, 1139.7ms InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145 SizeOfPredicates, 3 NumberOfNonLiveVariables, 430 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: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((\result == 1 && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp == 0) && tmp___0 == 1)) || (((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive)) || (((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && 1 <= tmp) && 1 <= \result) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && \result == 1) && tmp == 0) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:53:23,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd44168-e4ad-488d-bd5d-0fd96e44fc5a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...