./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:32:54,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:32:54,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:32:54,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:32:54,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:32:54,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:32:54,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:32:54,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:32:54,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:32:54,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:32:54,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:32:54,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:32:54,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:32:54,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:32:54,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:32:54,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:32:54,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:32:54,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:32:54,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:32:54,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:32:54,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:32:54,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:32:54,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:32:54,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:32:54,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:32:54,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:32:54,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:32:54,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:32:54,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:32:54,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:32:54,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:32:54,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:32:54,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:32:54,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:32:54,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:32:54,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:32:54,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:32:54,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:32:54,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:32:54,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:32:54,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:32:54,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:32:54,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:32:54,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:32:54,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:32:54,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:32:54,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:32:54,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:32:54,194 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:32:54,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:32:54,195 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:32:54,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:32:54,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:32:54,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:32:54,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:32:54,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:32:54,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:32:54,196 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:32:54,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:32:54,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:32:54,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:32:54,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:32:54,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:32:54,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:32:54,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:32:54,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:32:54,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:32:54,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:32:54,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:32:54,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:32:54,199 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:32:54,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:32:54,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:32:54,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:32:54,200 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_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b [2021-10-28 23:32:54,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:32:54,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:32:54,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:32:54,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:32:54,486 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:32:54,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2021-10-28 23:32:54,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/data/44c8ccf17/cb2e4a1817eb493794a497e0a538b2d8/FLAGee693beea [2021-10-28 23:32:55,115 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:32:55,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2021-10-28 23:32:55,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/data/44c8ccf17/cb2e4a1817eb493794a497e0a538b2d8/FLAGee693beea [2021-10-28 23:32:55,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/data/44c8ccf17/cb2e4a1817eb493794a497e0a538b2d8 [2021-10-28 23:32:55,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:32:55,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:32:55,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:32:55,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:32:55,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:32:55,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:32:55" (1/1) ... [2021-10-28 23:32:55,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d24838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:55, skipping insertion in model container [2021-10-28 23:32:55,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:32:55" (1/1) ... [2021-10-28 23:32:55,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:32:55,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:32:55,715 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_f22ec6da-df1b-48ce-be3d-7fad45641de8/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2021-10-28 23:32:55,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:32:55,902 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:32:55,934 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_f22ec6da-df1b-48ce-be3d-7fad45641de8/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2021-10-28 23:32:56,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:32:56,034 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:32:56,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56 WrapperNode [2021-10-28 23:32:56,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:32:56,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:32:56,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:32:56,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:32:56,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:32:56,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:32:56,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:32:56,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:32:56,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:32:56,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:32:56,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:32:56,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:32:56,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (1/1) ... [2021-10-28 23:32:56,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:32:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:56,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:56,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:32:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:32:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:32:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:32:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:32:57,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:32:57,028 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-28 23:32:57,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:57 BoogieIcfgContainer [2021-10-28 23:32:57,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:32:57,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:32:57,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:32:57,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:32:57,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:32:55" (1/3) ... [2021-10-28 23:32:57,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2034e048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:32:57, skipping insertion in model container [2021-10-28 23:32:57,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:56" (2/3) ... [2021-10-28 23:32:57,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2034e048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:32:57, skipping insertion in model container [2021-10-28 23:32:57,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:57" (3/3) ... [2021-10-28 23:32:57,039 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2021-10-28 23:32:57,045 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:32:57,045 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:32:57,094 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:32:57,100 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:32:57,101 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:32:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:32:57,122 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:32:57,123 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:32:57,124 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:32:57,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:57,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2021-10-28 23:32:57,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:57,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817978927] [2021-10-28 23:32:57,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:57,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:57,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:32:57,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817978927] [2021-10-28 23:32:57,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817978927] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:32:57,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:32:57,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:32:57,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168313991] [2021-10-28 23:32:57,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:32:57,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:32:57,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:32:57,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:32:57,407 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:57,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:32:57,456 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-28 23:32:57,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:32:57,458 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-10-28 23:32:57,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:32:57,468 INFO L225 Difference]: With dead ends: 136 [2021-10-28 23:32:57,468 INFO L226 Difference]: Without dead ends: 67 [2021-10-28 23:32:57,471 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:32:57,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-28 23:32:57,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-28 23:32:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 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) [2021-10-28 23:32:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-28 23:32:57,506 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-28 23:32:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:32:57,506 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-28 23:32:57,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-28 23:32:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:32:57,508 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:32:57,508 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:32:57,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:32:57,509 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:32:57,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:57,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2021-10-28 23:32:57,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:57,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514085222] [2021-10-28 23:32:57,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:57,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:57,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:32:57,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514085222] [2021-10-28 23:32:57,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514085222] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:32:57,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:32:57,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:32:57,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175786715] [2021-10-28 23:32:57,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:32:57,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:32:57,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:32:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:32:57,615 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:32:57,627 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-28 23:32:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:32:57,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 23:32:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:32:57,629 INFO L225 Difference]: With dead ends: 67 [2021-10-28 23:32:57,630 INFO L226 Difference]: Without dead ends: 33 [2021-10-28 23:32:57,631 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:32:57,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-28 23:32:57,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-28 23:32:57,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:57,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-28 23:32:57,641 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-28 23:32:57,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:32:57,642 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-28 23:32:57,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:57,642 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-28 23:32:57,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:32:57,643 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:32:57,644 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:32:57,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:32:57,646 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:32:57,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:57,647 INFO L85 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2021-10-28 23:32:57,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:57,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358710056] [2021-10-28 23:32:57,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:57,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:57,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:32:57,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358710056] [2021-10-28 23:32:57,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358710056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:32:57,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:32:57,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:32:57,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914555968] [2021-10-28 23:32:57,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:32:57,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:32:57,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:32:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:32:57,808 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:32:58,050 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2021-10-28 23:32:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:32:58,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-10-28 23:32:58,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:32:58,052 INFO L225 Difference]: With dead ends: 110 [2021-10-28 23:32:58,052 INFO L226 Difference]: Without dead ends: 83 [2021-10-28 23:32:58,053 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:32:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-28 23:32:58,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-10-28 23:32:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-28 23:32:58,070 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-10-28 23:32:58,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:32:58,071 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-28 23:32:58,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-28 23:32:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 23:32:58,072 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:32:58,072 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:32:58,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:32:58,073 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:32:58,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:58,074 INFO L85 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2021-10-28 23:32:58,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:58,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012463992] [2021-10-28 23:32:58,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:58,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:58,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:32:58,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012463992] [2021-10-28 23:32:58,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012463992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:32:58,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:32:58,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:32:58,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259484166] [2021-10-28 23:32:58,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:32:58,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:32:58,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:32:58,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:32:58,186 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:32:58,561 INFO L93 Difference]: Finished difference Result 317 states and 489 transitions. [2021-10-28 23:32:58,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:32:58,561 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-10-28 23:32:58,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:32:58,568 INFO L225 Difference]: With dead ends: 317 [2021-10-28 23:32:58,569 INFO L226 Difference]: Without dead ends: 271 [2021-10-28 23:32:58,571 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:32:58,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-10-28 23:32:58,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 130. [2021-10-28 23:32:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.449612403100775) internal successors, (187), 129 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-10-28 23:32:58,623 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2021-10-28 23:32:58,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:32:58,623 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-10-28 23:32:58,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-10-28 23:32:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:32:58,625 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:32:58,625 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:32:58,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:32:58,626 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:32:58,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash 767593024, now seen corresponding path program 1 times [2021-10-28 23:32:58,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:58,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460641590] [2021-10-28 23:32:58,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:58,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:58,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:32:58,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460641590] [2021-10-28 23:32:58,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460641590] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:32:58,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:32:58,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:32:58,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487564769] [2021-10-28 23:32:58,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:32:58,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:32:58,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:32:58,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:32:58,739 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:32:58,773 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2021-10-28 23:32:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:32:58,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 23:32:58,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:32:58,775 INFO L225 Difference]: With dead ends: 239 [2021-10-28 23:32:58,775 INFO L226 Difference]: Without dead ends: 115 [2021-10-28 23:32:58,779 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:32:58,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-28 23:32:58,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-28 23:32:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-10-28 23:32:58,805 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2021-10-28 23:32:58,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:32:58,806 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-10-28 23:32:58,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-10-28 23:32:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-28 23:32:58,812 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:32:58,812 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:32:58,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:32:58,812 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:32:58,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:32:58,813 INFO L85 PathProgramCache]: Analyzing trace with hash 402720837, now seen corresponding path program 1 times [2021-10-28 23:32:58,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:32:58,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786760703] [2021-10-28 23:32:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:58,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:32:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:58,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:32:58,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786760703] [2021-10-28 23:32:58,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786760703] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:32:58,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591230760] [2021-10-28 23:32:58,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:32:58,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:32:58,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:58,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:32:58,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:32:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:32:59,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:32:59,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:32:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:32:59,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591230760] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:32:59,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:32:59,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-28 23:32:59,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099844581] [2021-10-28 23:32:59,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:32:59,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:32:59,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:32:59,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:32:59,277 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:59,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:32:59,354 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2021-10-28 23:32:59,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:32:59,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2021-10-28 23:32:59,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:32:59,355 INFO L225 Difference]: With dead ends: 150 [2021-10-28 23:32:59,355 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:32:59,357 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:32:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:32:59,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:32:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:32:59,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-28 23:32:59,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:32:59,358 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:32:59,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:32:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:32:59,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:32:59,361 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:32:59,361 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:32:59,362 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:32:59,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:32:59,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:32:59,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:32:59,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:32:59,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:33:00,228 INFO L853 garLoopResultBuilder]: At program point L828(lines 821 831) the Hoare annotation is: false [2021-10-28 23:33:00,229 INFO L853 garLoopResultBuilder]: At program point L828-1(lines 821 831) the Hoare annotation is: false [2021-10-28 23:33:00,229 INFO L853 garLoopResultBuilder]: At program point L828-2(lines 821 831) the Hoare annotation is: false [2021-10-28 23:33:00,229 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-10-28 23:33:00,229 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-10-28 23:33:00,229 INFO L860 garLoopResultBuilder]: At program point L184(lines 165 187) the Hoare annotation is: true [2021-10-28 23:33:00,229 INFO L853 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-28 23:33:00,229 INFO L853 garLoopResultBuilder]: At program point L696-1(lines 696 702) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) .cse0 .cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse4))) [2021-10-28 23:33:00,230 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:33:00,230 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-28 23:33:00,230 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 752 758) no Hoare annotation was computed. [2021-10-28 23:33:00,230 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 224) no Hoare annotation was computed. [2021-10-28 23:33:00,230 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2021-10-28 23:33:00,230 INFO L853 garLoopResultBuilder]: At program point L881-1(lines 881 887) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 23:33:00,230 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 729) no Hoare annotation was computed. [2021-10-28 23:33:00,230 INFO L853 garLoopResultBuilder]: At program point L734(lines 685 735) the Hoare annotation is: false [2021-10-28 23:33:00,230 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 801) no Hoare annotation was computed. [2021-10-28 23:33:00,231 INFO L857 garLoopResultBuilder]: For program point L784-1(lines 784 801) no Hoare annotation was computed. [2021-10-28 23:33:00,231 INFO L857 garLoopResultBuilder]: For program point L784-2(lines 784 801) no Hoare annotation was computed. [2021-10-28 23:33:00,231 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:33:00,231 INFO L853 garLoopResultBuilder]: At program point L752(lines 751 770) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 23:33:00,231 INFO L857 garLoopResultBuilder]: For program point L752-1(lines 752 758) no Hoare annotation was computed. [2021-10-28 23:33:00,231 INFO L853 garLoopResultBuilder]: At program point L752-2(lines 751 770) the Hoare annotation is: false [2021-10-28 23:33:00,231 INFO L853 garLoopResultBuilder]: At program point L752-3(lines 751 770) the Hoare annotation is: false [2021-10-28 23:33:00,231 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 891) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:33:00,232 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-10-28 23:33:00,232 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2021-10-28 23:33:00,232 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2021-10-28 23:33:00,232 INFO L857 garLoopResultBuilder]: For program point L687(lines 686 733) no Hoare annotation was computed. [2021-10-28 23:33:00,232 INFO L860 garLoopResultBuilder]: At program point L175-1(lines 175 182) the Hoare annotation is: true [2021-10-28 23:33:00,232 INFO L857 garLoopResultBuilder]: For program point L208-3(lines 208 212) no Hoare annotation was computed. [2021-10-28 23:33:00,232 INFO L857 garLoopResultBuilder]: For program point L208-6(lines 208 212) no Hoare annotation was computed. [2021-10-28 23:33:00,232 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 304) no Hoare annotation was computed. [2021-10-28 23:33:00,233 INFO L853 garLoopResultBuilder]: At program point L291-1(lines 1 891) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse6 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse1 .cse2 .cse4 .cse5 .cse6 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 23:33:00,233 INFO L857 garLoopResultBuilder]: For program point L291-2(lines 291 304) no Hoare annotation was computed. [2021-10-28 23:33:00,233 INFO L853 garLoopResultBuilder]: At program point L291-3(lines 1 891) the Hoare annotation is: false [2021-10-28 23:33:00,233 INFO L857 garLoopResultBuilder]: For program point L291-4(lines 291 304) no Hoare annotation was computed. [2021-10-28 23:33:00,233 INFO L853 garLoopResultBuilder]: At program point L291-5(lines 1 891) the Hoare annotation is: false [2021-10-28 23:33:00,233 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-28 23:33:00,233 INFO L853 garLoopResultBuilder]: At program point L837(lines 832 840) the Hoare annotation is: false [2021-10-28 23:33:00,233 INFO L853 garLoopResultBuilder]: At program point L837-1(lines 832 840) the Hoare annotation is: false [2021-10-28 23:33:00,234 INFO L853 garLoopResultBuilder]: At program point L837-2(lines 832 840) the Hoare annotation is: false [2021-10-28 23:33:00,234 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-28 23:33:00,234 INFO L857 garLoopResultBuilder]: For program point L193-1(line 193) no Hoare annotation was computed. [2021-10-28 23:33:00,234 INFO L857 garLoopResultBuilder]: For program point L193-2(line 193) no Hoare annotation was computed. [2021-10-28 23:33:00,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:33:00,238 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 796) no Hoare annotation was computed. [2021-10-28 23:33:00,238 INFO L857 garLoopResultBuilder]: For program point L788-1(lines 788 796) no Hoare annotation was computed. [2021-10-28 23:33:00,239 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-10-28 23:33:00,239 INFO L857 garLoopResultBuilder]: For program point L788-2(lines 788 796) no Hoare annotation was computed. [2021-10-28 23:33:00,239 INFO L853 garLoopResultBuilder]: At program point L722-1(lines 752 758) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 23:33:00,240 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 712) no Hoare annotation was computed. [2021-10-28 23:33:00,240 INFO L853 garLoopResultBuilder]: At program point L706-1(lines 706 712) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) .cse0 .cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse4))) [2021-10-28 23:33:00,240 INFO L853 garLoopResultBuilder]: At program point L277(lines 272 280) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-28 23:33:00,240 INFO L853 garLoopResultBuilder]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2021-10-28 23:33:00,241 INFO L853 garLoopResultBuilder]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2021-10-28 23:33:00,242 INFO L853 garLoopResultBuilder]: At program point L245(lines 240 248) the Hoare annotation is: false [2021-10-28 23:33:00,244 INFO L853 garLoopResultBuilder]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2021-10-28 23:33:00,244 INFO L853 garLoopResultBuilder]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2021-10-28 23:33:00,244 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2021-10-28 23:33:00,245 INFO L857 garLoopResultBuilder]: For program point L295-2(lines 295 301) no Hoare annotation was computed. [2021-10-28 23:33:00,245 INFO L857 garLoopResultBuilder]: For program point L295-4(lines 295 301) no Hoare annotation was computed. [2021-10-28 23:33:00,246 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:33:00,246 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-10-28 23:33:00,246 INFO L853 garLoopResultBuilder]: At program point L759(lines 759 765) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 23:33:00,248 INFO L853 garLoopResultBuilder]: At program point L759-1(lines 759 765) the Hoare annotation is: false [2021-10-28 23:33:00,248 INFO L853 garLoopResultBuilder]: At program point L759-2(lines 759 765) the Hoare annotation is: false [2021-10-28 23:33:00,248 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:33:00,249 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 236) no Hoare annotation was computed. [2021-10-28 23:33:00,249 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: false [2021-10-28 23:33:00,249 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 23:33:00,253 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 23:33:00,255 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:33:00,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:33:00 BoogieIcfgContainer [2021-10-28 23:33:00,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:33:00,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:33:00,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:33:00,291 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:33:00,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:57" (3/4) ... [2021-10-28 23:33:00,295 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:33:00,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:33:00,312 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:33:00,312 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:33:00,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:33:00,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:33:00,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:33:00,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:33:00,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 [2021-10-28 23:33:00,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && tmp == systemActive [2021-10-28 23:33:00,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(tmp == 0) && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive))) || ((((((!(tmp == 0) && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 23:33:00,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive))) || ((((((!(tmp == 0) && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 23:33:00,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive))) || ((((((!(tmp == 0) && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 23:33:00,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 23:33:00,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 23:33:00,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 23:33:00,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 23:33:00,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) [2021-10-28 23:33:00,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:33:00,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:33:00,381 INFO L168 Benchmark]: Toolchain (without parser) took 4958.36 ms. Allocated memory was 90.2 MB in the beginning and 146.8 MB in the end (delta: 56.6 MB). Free memory was 54.5 MB in the beginning and 84.3 MB in the end (delta: -29.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:00,381 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 60.6 MB in the beginning and 60.6 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:33:00,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.78 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 54.3 MB in the beginning and 89.4 MB in the end (delta: -35.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:00,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.43 ms. Allocated memory is still 121.6 MB. Free memory was 89.4 MB in the beginning and 86.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:00,383 INFO L168 Benchmark]: Boogie Preprocessor took 61.76 ms. Allocated memory is still 121.6 MB. Free memory was 86.6 MB in the beginning and 84.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:00,383 INFO L168 Benchmark]: RCFGBuilder took 845.66 ms. Allocated memory is still 121.6 MB. Free memory was 84.6 MB in the beginning and 78.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:00,383 INFO L168 Benchmark]: TraceAbstraction took 3258.19 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 78.2 MB in the beginning and 90.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:00,384 INFO L168 Benchmark]: Witness Printer took 88.76 ms. Allocated memory is still 146.8 MB. Free memory was 90.6 MB in the beginning and 84.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:00,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 60.6 MB in the beginning and 60.6 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.78 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 54.3 MB in the beginning and 89.4 MB in the end (delta: -35.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.43 ms. Allocated memory is still 121.6 MB. Free memory was 89.4 MB in the beginning and 86.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.76 ms. Allocated memory is still 121.6 MB. Free memory was 86.6 MB in the beginning and 84.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 845.66 ms. Allocated memory is still 121.6 MB. Free memory was 84.6 MB in the beginning and 78.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3258.19 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 78.2 MB in the beginning and 90.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. * Witness Printer took 88.76 ms. Allocated memory is still 146.8 MB. Free memory was 90.6 MB in the beginning and 84.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 193]: 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, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 550 SDslu, 636 SDs, 0 SdLazy, 108 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 172 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 376 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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: 759]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive))) || ((((((!(tmp == 0) && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive))) || ((((((!(tmp == 0) && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(tmp == 0) && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive))) || ((((((!(tmp == 0) && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:33:00,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ec6da-df1b-48ce-be3d-7fad45641de8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...