./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be --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 f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:50:58,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:50:58,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:50:58,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:50:58,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:50:58,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:50:58,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:50:58,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:50:58,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:50:58,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:50:58,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:50:58,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:50:58,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:50:58,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:50:58,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:50:58,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:50:58,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:50:58,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:50:58,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:50:58,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:50:58,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:50:58,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:50:58,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:50:58,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:50:58,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:50:58,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:50:58,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:50:58,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:50:58,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:50:58,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:50:58,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:50:58,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:50:58,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:50:58,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:50:58,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:50:58,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:50:58,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:50:58,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:50:58,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:50:58,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:50:58,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:50:58,228 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:50:58,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:50:58,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:50:58,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:50:58,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:50:58,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:50:58,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:50:58,281 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:50:58,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:50:58,282 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:50:58,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:50:58,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:50:58,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:50:58,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:50:58,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:50:58,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:50:58,284 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:50:58,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:50:58,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:50:58,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:50:58,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:50:58,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:50:58,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:50:58,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:50:58,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:50:58,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:50:58,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:50:58,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:50:58,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:50:58,287 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:50:58,288 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:50:58,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:50:58,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:50:58,289 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_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d [2021-10-21 19:50:58,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:50:58,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:50:58,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:50:58,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:50:58,599 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:50:58,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-21 19:50:58,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/data/2b17ebb2c/01ad05b157c140d4ba0e709e9790421f/FLAG85e135a37 [2021-10-21 19:50:59,223 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:50:59,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-21 19:50:59,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/data/2b17ebb2c/01ad05b157c140d4ba0e709e9790421f/FLAG85e135a37 [2021-10-21 19:50:59,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/data/2b17ebb2c/01ad05b157c140d4ba0e709e9790421f [2021-10-21 19:50:59,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:50:59,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:50:59,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:50:59,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:50:59,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:50:59,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:50:59" (1/1) ... [2021-10-21 19:50:59,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f0ebc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:59, skipping insertion in model container [2021-10-21 19:50:59,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:50:59" (1/1) ... [2021-10-21 19:50:59,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:50:59,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:50:59,907 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_04b57d27-dbf8-43d1-b73c-96543e84cca0/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-21 19:50:59,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:50:59,922 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:51:00,011 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_04b57d27-dbf8-43d1-b73c-96543e84cca0/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-21 19:51:00,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:00,050 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:51:00,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00 WrapperNode [2021-10-21 19:51:00,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:00,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:00,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:51:00,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:51:00,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:00,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:51:00,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:51:00,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:51:00,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:51:00,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:51:00,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:51:00,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:51:00,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (1/1) ... [2021-10-21 19:51:00,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:00,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:00,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:51:00,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:51:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:51:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:51:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:51:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:51:01,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:51:01,148 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2021-10-21 19:51:01,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:01 BoogieIcfgContainer [2021-10-21 19:51:01,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:51:01,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:51:01,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:51:01,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:51:01,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:50:59" (1/3) ... [2021-10-21 19:51:01,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6358ed32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:01, skipping insertion in model container [2021-10-21 19:51:01,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:00" (2/3) ... [2021-10-21 19:51:01,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6358ed32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:01, skipping insertion in model container [2021-10-21 19:51:01,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:01" (3/3) ... [2021-10-21 19:51:01,159 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2021-10-21 19:51:01,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:51:01,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:51:01,214 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:51:01,220 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:51:01,220 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:51:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:51:01,243 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:01,244 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:01,244 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:01,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1014623904, now seen corresponding path program 1 times [2021-10-21 19:51:01,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:01,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144731245] [2021-10-21 19:51:01,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:01,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:01,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:01,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144731245] [2021-10-21 19:51:01,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144731245] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:01,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:01,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:01,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790406820] [2021-10-21 19:51:01,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:51:01,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:01,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:51:01,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:51:01,627 INFO L87 Difference]: Start difference. First operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 0 states have call successors, (0), 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 9.5) internal successors, (19), 2 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) [2021-10-21 19:51:01,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:01,655 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2021-10-21 19:51:01,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:51:01,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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 [2021-10-21 19:51:01,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:01,678 INFO L225 Difference]: With dead ends: 189 [2021-10-21 19:51:01,679 INFO L226 Difference]: Without dead ends: 94 [2021-10-21 19:51:01,682 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 [2021-10-21 19:51:01,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-21 19:51:01,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-21 19:51:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 91 states have (on average 1.4505494505494505) internal successors, (132), 93 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2021-10-21 19:51:01,755 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2021-10-21 19:51:01,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:01,758 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2021-10-21 19:51:01,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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) [2021-10-21 19:51:01,758 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-10-21 19:51:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:51:01,761 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:01,761 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] [2021-10-21 19:51:01,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:51:01,762 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:01,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:01,766 INFO L82 PathProgramCache]: Analyzing trace with hash 2129327965, now seen corresponding path program 1 times [2021-10-21 19:51:01,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:01,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746969770] [2021-10-21 19:51:01,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:01,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:01,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:01,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746969770] [2021-10-21 19:51:01,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746969770] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:01,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:01,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:51:01,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28404374] [2021-10-21 19:51:01,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:01,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:01,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:01,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:01,911 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:01,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:01,928 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2021-10-21 19:51:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:01,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2021-10-21 19:51:01,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:01,929 INFO L225 Difference]: With dead ends: 94 [2021-10-21 19:51:01,930 INFO L226 Difference]: Without dead ends: 43 [2021-10-21 19:51:01,931 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:01,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-21 19:51:01,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-21 19:51:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-21 19:51:01,936 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2021-10-21 19:51:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:01,936 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-21 19:51:01,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-21 19:51:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:51:01,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:01,938 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] [2021-10-21 19:51:01,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:51:01,939 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:01,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:01,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1463825694, now seen corresponding path program 1 times [2021-10-21 19:51:01,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:01,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389404748] [2021-10-21 19:51:01,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:01,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:02,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:02,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389404748] [2021-10-21 19:51:02,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389404748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:02,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:02,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:51:02,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289489216] [2021-10-21 19:51:02,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:02,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:02,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:02,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:02,078 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2021-10-21 19:51:02,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:02,169 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2021-10-21 19:51:02,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:51:02,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 [2021-10-21 19:51:02,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:02,173 INFO L225 Difference]: With dead ends: 105 [2021-10-21 19:51:02,174 INFO L226 Difference]: Without dead ends: 69 [2021-10-21 19:51:02,175 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 34.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:51:02,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-21 19:51:02,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2021-10-21 19:51:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.453125) internal successors, (93), 64 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2021-10-21 19:51:02,195 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2021-10-21 19:51:02,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:02,196 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2021-10-21 19:51:02,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2021-10-21 19:51:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2021-10-21 19:51:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 19:51:02,199 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:02,199 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] [2021-10-21 19:51:02,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:51:02,200 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:02,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:02,201 INFO L82 PathProgramCache]: Analyzing trace with hash 419511483, now seen corresponding path program 1 times [2021-10-21 19:51:02,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:02,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782906506] [2021-10-21 19:51:02,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:02,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:02,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:02,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782906506] [2021-10-21 19:51:02,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782906506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:02,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:02,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:02,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81465227] [2021-10-21 19:51:02,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:02,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:02,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:02,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:02,315 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:02,351 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2021-10-21 19:51:02,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:02,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-10-21 19:51:02,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:02,354 INFO L225 Difference]: With dead ends: 147 [2021-10-21 19:51:02,355 INFO L226 Difference]: Without dead ends: 89 [2021-10-21 19:51:02,356 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:02,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-21 19:51:02,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-21 19:51:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-21 19:51:02,379 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2021-10-21 19:51:02,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:02,380 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-21 19:51:02,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-21 19:51:02,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-21 19:51:02,383 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:02,384 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] [2021-10-21 19:51:02,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:51:02,384 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:02,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:02,386 INFO L82 PathProgramCache]: Analyzing trace with hash -894632213, now seen corresponding path program 1 times [2021-10-21 19:51:02,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:02,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635546480] [2021-10-21 19:51:02,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:02,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:02,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:02,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635546480] [2021-10-21 19:51:02,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635546480] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:02,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:02,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:51:02,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649193272] [2021-10-21 19:51:02,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:02,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:02,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:02,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:02,506 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:02,634 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2021-10-21 19:51:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:51:02,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2021-10-21 19:51:02,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:02,637 INFO L225 Difference]: With dead ends: 288 [2021-10-21 19:51:02,637 INFO L226 Difference]: Without dead ends: 208 [2021-10-21 19:51:02,641 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 48.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:51:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-21 19:51:02,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2021-10-21 19:51:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2021-10-21 19:51:02,669 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2021-10-21 19:51:02,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:02,669 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2021-10-21 19:51:02,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,671 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2021-10-21 19:51:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:51:02,677 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:02,678 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, 1, 1, 1] [2021-10-21 19:51:02,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:51:02,678 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:02,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:02,679 INFO L82 PathProgramCache]: Analyzing trace with hash -855336384, now seen corresponding path program 1 times [2021-10-21 19:51:02,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:02,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542208015] [2021-10-21 19:51:02,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:02,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:02,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:02,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542208015] [2021-10-21 19:51:02,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542208015] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:02,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:02,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:51:02,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352091804] [2021-10-21 19:51:02,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:02,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:02,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:02,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:02,764 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:02,820 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2021-10-21 19:51:02,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:51:02,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-10-21 19:51:02,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:02,828 INFO L225 Difference]: With dead ends: 251 [2021-10-21 19:51:02,828 INFO L226 Difference]: Without dead ends: 173 [2021-10-21 19:51:02,830 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:51:02,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-21 19:51:02,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2021-10-21 19:51:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2021-10-21 19:51:02,852 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2021-10-21 19:51:02,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:02,854 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2021-10-21 19:51:02,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-10-21 19:51:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:51:02,857 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:02,857 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, 1, 1, 1] [2021-10-21 19:51:02,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:51:02,878 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:02,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:02,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1866453634, now seen corresponding path program 1 times [2021-10-21 19:51:02,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:02,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165286327] [2021-10-21 19:51:02,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:02,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:02,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:02,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165286327] [2021-10-21 19:51:02,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165286327] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:02,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:02,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:51:02,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630800156] [2021-10-21 19:51:02,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:51:02,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:02,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:51:02,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:51:02,953 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:02,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:02,994 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2021-10-21 19:51:02,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:51:02,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-10-21 19:51:02,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:02,996 INFO L225 Difference]: With dead ends: 217 [2021-10-21 19:51:02,996 INFO L226 Difference]: Without dead ends: 136 [2021-10-21 19:51:02,997 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:02,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-21 19:51:03,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2021-10-21 19:51:03,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2021-10-21 19:51:03,009 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2021-10-21 19:51:03,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:03,010 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2021-10-21 19:51:03,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2021-10-21 19:51:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:51:03,011 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:03,012 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, 1, 1, 1] [2021-10-21 19:51:03,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:51:03,012 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:03,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1407445308, now seen corresponding path program 1 times [2021-10-21 19:51:03,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:03,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420500888] [2021-10-21 19:51:03,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:03,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:03,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:03,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420500888] [2021-10-21 19:51:03,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420500888] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:03,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:03,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:03,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141160798] [2021-10-21 19:51:03,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:03,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:03,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:03,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:03,093 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:03,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:03,123 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2021-10-21 19:51:03,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:03,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-10-21 19:51:03,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:03,124 INFO L225 Difference]: With dead ends: 222 [2021-10-21 19:51:03,125 INFO L226 Difference]: Without dead ends: 139 [2021-10-21 19:51:03,125 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:03,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-10-21 19:51:03,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-21 19:51:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.326086956521739) internal successors, (183), 138 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2021-10-21 19:51:03,147 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2021-10-21 19:51:03,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:03,147 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2021-10-21 19:51:03,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-10-21 19:51:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:51:03,149 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:03,149 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, 1, 1, 1, 1] [2021-10-21 19:51:03,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:51:03,150 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:03,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:03,150 INFO L82 PathProgramCache]: Analyzing trace with hash -67033476, now seen corresponding path program 1 times [2021-10-21 19:51:03,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:03,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546143962] [2021-10-21 19:51:03,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:03,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:03,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:03,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546143962] [2021-10-21 19:51:03,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546143962] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:03,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:03,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:51:03,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011360663] [2021-10-21 19:51:03,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:51:03,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:03,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:51:03,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:51:03,297 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:03,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:03,584 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2021-10-21 19:51:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:51:03,585 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2021-10-21 19:51:03,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:03,589 INFO L225 Difference]: With dead ends: 628 [2021-10-21 19:51:03,589 INFO L226 Difference]: Without dead ends: 545 [2021-10-21 19:51:03,590 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 85.5ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:51:03,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-21 19:51:03,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2021-10-21 19:51:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.3303571428571428) internal successors, (298), 224 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2021-10-21 19:51:03,655 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2021-10-21 19:51:03,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:03,657 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2021-10-21 19:51:03,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2021-10-21 19:51:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:51:03,659 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:03,659 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, 1] [2021-10-21 19:51:03,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:51:03,660 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash 350167364, now seen corresponding path program 1 times [2021-10-21 19:51:03,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:03,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241445842] [2021-10-21 19:51:03,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:03,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:03,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:03,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241445842] [2021-10-21 19:51:03,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241445842] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:03,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802413554] [2021-10-21 19:51:03,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:03,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:03,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:03,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:51:03,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:51:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:03,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:51:03,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:51:04,154 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:04,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802413554] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:04,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:51:04,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 19:51:04,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948383030] [2021-10-21 19:51:04,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:51:04,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:04,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:51:04,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:51:04,163 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:04,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:04,633 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2021-10-21 19:51:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:51:04,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-21 19:51:04,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:04,634 INFO L225 Difference]: With dead ends: 459 [2021-10-21 19:51:04,635 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:51:04,636 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 57.3ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:51:04,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:51:04,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:51:04,636 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) [2021-10-21 19:51:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:51:04,637 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-21 19:51:04,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:04,637 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:51:04,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:51:04,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:51:04,640 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:04,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:04,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:04,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:51:04,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 19:51:04,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:51:04,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:04,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:04,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:04,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:05,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:07,773 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-21 19:51:07,773 INFO L853 garLoopResultBuilder]: At program point L630(lines 623 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:07,773 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2021-10-21 19:51:07,773 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2021-10-21 19:51:07,774 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-10-21 19:51:07,774 INFO L857 garLoopResultBuilder]: For program point L845-1(lines 845 849) no Hoare annotation was computed. [2021-10-21 19:51:07,774 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:51:07,774 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-10-21 19:51:07,774 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-21 19:51:07,774 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 921) no Hoare annotation was computed. [2021-10-21 19:51:07,775 INFO L860 garLoopResultBuilder]: At program point L914-1(lines 914 921) the Hoare annotation is: true [2021-10-21 19:51:07,775 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2021-10-21 19:51:07,775 INFO L853 garLoopResultBuilder]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,775 INFO L857 garLoopResultBuilder]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2021-10-21 19:51:07,775 INFO L853 garLoopResultBuilder]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2021-10-21 19:51:07,776 INFO L857 garLoopResultBuilder]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2021-10-21 19:51:07,776 INFO L853 garLoopResultBuilder]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2021-10-21 19:51:07,776 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 585) no Hoare annotation was computed. [2021-10-21 19:51:07,776 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 568 585) no Hoare annotation was computed. [2021-10-21 19:51:07,776 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 585) no Hoare annotation was computed. [2021-10-21 19:51:07,777 INFO L853 garLoopResultBuilder]: At program point L783(lines 732 784) the Hoare annotation is: false [2021-10-21 19:51:07,777 INFO L857 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2021-10-21 19:51:07,777 INFO L857 garLoopResultBuilder]: For program point L932-1(line 932) no Hoare annotation was computed. [2021-10-21 19:51:07,777 INFO L857 garLoopResultBuilder]: For program point L932-2(line 932) no Hoare annotation was computed. [2021-10-21 19:51:07,777 INFO L857 garLoopResultBuilder]: For program point L734(lines 733 782) no Hoare annotation was computed. [2021-10-21 19:51:07,777 INFO L853 garLoopResultBuilder]: At program point L536(lines 532 554) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 (= ~pumpRunning~0 1)) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,778 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 532 554) the Hoare annotation is: false [2021-10-21 19:51:07,778 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 532 554) the Hoare annotation is: false [2021-10-21 19:51:07,778 INFO L853 garLoopResultBuilder]: At program point L817(lines 1 984) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:07,778 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-10-21 19:51:07,778 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-10-21 19:51:07,779 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-10-21 19:51:07,779 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:51:07,779 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2021-10-21 19:51:07,779 INFO L857 garLoopResultBuilder]: For program point L702(lines 702 708) no Hoare annotation was computed. [2021-10-21 19:51:07,779 INFO L853 garLoopResultBuilder]: At program point L702-1(lines 702 708) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-21 19:51:07,780 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-21 19:51:07,780 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-21 19:51:07,780 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2021-10-21 19:51:07,780 INFO L853 garLoopResultBuilder]: At program point L753-1(lines 753 759) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,780 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2021-10-21 19:51:07,781 INFO L857 garLoopResultBuilder]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2021-10-21 19:51:07,781 INFO L857 garLoopResultBuilder]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2021-10-21 19:51:07,781 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 611) no Hoare annotation was computed. [2021-10-21 19:51:07,781 INFO L857 garLoopResultBuilder]: For program point L572(lines 572 580) no Hoare annotation was computed. [2021-10-21 19:51:07,781 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 572 580) no Hoare annotation was computed. [2021-10-21 19:51:07,782 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 611) no Hoare annotation was computed. [2021-10-21 19:51:07,782 INFO L857 garLoopResultBuilder]: For program point L572-2(lines 572 580) no Hoare annotation was computed. [2021-10-21 19:51:07,782 INFO L857 garLoopResultBuilder]: For program point L605-4(lines 605 611) no Hoare annotation was computed. [2021-10-21 19:51:07,782 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-21 19:51:07,782 INFO L857 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2021-10-21 19:51:07,782 INFO L857 garLoopResultBuilder]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2021-10-21 19:51:07,783 INFO L857 garLoopResultBuilder]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2021-10-21 19:51:07,783 INFO L857 garLoopResultBuilder]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2021-10-21 19:51:07,783 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2021-10-21 19:51:07,783 INFO L857 garLoopResultBuilder]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2021-10-21 19:51:07,783 INFO L857 garLoopResultBuilder]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2021-10-21 19:51:07,784 INFO L857 garLoopResultBuilder]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2021-10-21 19:51:07,784 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 777) no Hoare annotation was computed. [2021-10-21 19:51:07,784 INFO L853 garLoopResultBuilder]: At program point L771-1(lines 1 984) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,784 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-21 19:51:07,784 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,785 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-10-21 19:51:07,785 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:51:07,785 INFO L853 garLoopResultBuilder]: At program point L639-3(lines 634 642) the Hoare annotation is: false [2021-10-21 19:51:07,785 INFO L853 garLoopResultBuilder]: At program point L639-4(lines 634 642) the Hoare annotation is: false [2021-10-21 19:51:07,785 INFO L853 garLoopResultBuilder]: At program point L639-5(lines 634 642) the Hoare annotation is: false [2021-10-21 19:51:07,786 INFO L853 garLoopResultBuilder]: At program point L953(lines 536 542) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,786 INFO L853 garLoopResultBuilder]: At program point L953-1(lines 536 542) the Hoare annotation is: false [2021-10-21 19:51:07,786 INFO L853 garLoopResultBuilder]: At program point L953-2(lines 536 542) the Hoare annotation is: false [2021-10-21 19:51:07,786 INFO L853 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-10-21 19:51:07,786 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: false [2021-10-21 19:51:07,787 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-10-21 19:51:07,787 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-21 19:51:07,787 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-21 19:51:07,787 INFO L853 garLoopResultBuilder]: At program point L889(lines 885 891) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:07,787 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-21 19:51:07,788 INFO L853 garLoopResultBuilder]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,788 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 543 549) the Hoare annotation is: false [2021-10-21 19:51:07,788 INFO L853 garLoopResultBuilder]: At program point L543-2(lines 543 549) the Hoare annotation is: false [2021-10-21 19:51:07,788 INFO L860 garLoopResultBuilder]: At program point L923(lines 904 926) the Hoare annotation is: true [2021-10-21 19:51:07,788 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: false [2021-10-21 19:51:07,788 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:51:07,789 INFO L853 garLoopResultBuilder]: At program point L825(lines 820 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:07,789 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-21 19:51:07,789 INFO L857 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2021-10-21 19:51:07,789 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 749) no Hoare annotation was computed. [2021-10-21 19:51:07,790 INFO L853 garLoopResultBuilder]: At program point L743-1(lines 743 749) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,790 INFO L853 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3))) [2021-10-21 19:51:07,790 INFO L853 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-10-21 19:51:07,790 INFO L853 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-10-21 19:51:07,790 INFO L853 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-10-21 19:51:07,791 INFO L853 garLoopResultBuilder]: At program point L694-1(lines 679 697) the Hoare annotation is: false [2021-10-21 19:51:07,791 INFO L853 garLoopResultBuilder]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2021-10-21 19:51:07,791 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:07,791 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-21 19:51:07,791 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-21 19:51:07,792 INFO L853 garLoopResultBuilder]: At program point L943(lines 938 945) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:07,796 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:51:07,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:51:07 BoogieIcfgContainer [2021-10-21 19:51:07,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:51:07,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:51:07,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:51:07,832 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:51:07,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:01" (3/4) ... [2021-10-21 19:51:07,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:51:07,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:51:07,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:51:07,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:51:07,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:51:07,857 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:51:07,858 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:51:07,859 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:51:07,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 19:51:07,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 19:51:07,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 19:51:07,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 < tmp) && tmp == 1) && tmp <= 2) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,885 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,885 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,885 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,886 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2021-10-21 19:51:07,886 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:51:07,887 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,887 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,887 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,888 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,889 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:51:07,890 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-10-21 19:51:07,890 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:51:07,891 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) [2021-10-21 19:51:07,892 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) [2021-10-21 19:51:07,933 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:51:07,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:51:07,935 INFO L168 Benchmark]: Toolchain (without parser) took 8380.82 ms. Allocated memory was 109.1 MB in the beginning and 182.5 MB in the end (delta: 73.4 MB). Free memory was 77.8 MB in the beginning and 77.3 MB in the end (delta: 454.9 kB). Peak memory consumption was 73.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:07,936 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory is still 64.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:51:07,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.00 ms. Allocated memory is still 109.1 MB. Free memory was 77.5 MB in the beginning and 75.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:07,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.98 ms. Allocated memory is still 109.1 MB. Free memory was 75.1 MB in the beginning and 71.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:07,937 INFO L168 Benchmark]: Boogie Preprocessor took 56.94 ms. Allocated memory is still 109.1 MB. Free memory was 71.6 MB in the beginning and 69.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:07,937 INFO L168 Benchmark]: RCFGBuilder took 939.75 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 69.2 MB in the beginning and 98.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:07,938 INFO L168 Benchmark]: TraceAbstraction took 6678.84 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 97.9 MB in the beginning and 86.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:07,938 INFO L168 Benchmark]: Witness Printer took 102.57 ms. Allocated memory is still 182.5 MB. Free memory was 86.8 MB in the beginning and 77.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:07,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory is still 64.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 494.00 ms. Allocated memory is still 109.1 MB. Free memory was 77.5 MB in the beginning and 75.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.98 ms. Allocated memory is still 109.1 MB. Free memory was 75.1 MB in the beginning and 71.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.94 ms. Allocated memory is still 109.1 MB. Free memory was 71.6 MB in the beginning and 69.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 939.75 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 69.2 MB in the beginning and 98.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6678.84 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 97.9 MB in the beginning and 86.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. * Witness Printer took 102.57 ms. Allocated memory is still 182.5 MB. Free memory was 86.8 MB in the beginning and 77.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 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: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: 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, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6584.5ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 31.6ms, AutomataDifference: 1287.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2904.2ms, InitialAbstractionConstructionTime: 12.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 894 SDtfs, 1207 SDslu, 1401 SDs, 0 SdLazy, 223 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 577.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 273.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 254.9ms AutomataMinimizationTime, 10 MinimizatonAttempts, 580 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 1003 HoareAnnotationTreeSize, 45 FomulaSimplifications, 48161 FormulaSimplificationTreeSizeReduction, 739.7ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 14597 FormulaSimplificationTreeSizeReductionInter, 2147.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 86.5ms SsaConstructionTime, 483.4ms SatisfiabilityAnalysisTime, 942.5ms InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 723 SizeOfPredicates, 3 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 < tmp) && tmp == 1) && tmp <= 2) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 1) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:51:08,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b57d27-dbf8-43d1-b73c-96543e84cca0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...