./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8 --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 e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:11:54,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:11:54,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:11:54,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:11:54,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:11:54,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:11:54,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:11:54,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:11:54,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:11:54,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:11:54,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:11:54,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:11:54,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:11:54,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:11:54,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:11:54,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:11:54,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:11:54,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:11:54,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:11:54,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:11:54,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:11:54,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:11:54,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:11:54,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:11:54,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:11:54,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:11:54,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:11:54,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:11:54,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:11:54,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:11:54,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:11:54,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:11:54,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:11:54,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:11:54,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:11:54,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:11:54,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:11:54,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:11:54,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:11:54,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:11:54,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:11:54,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:11:54,285 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:11:54,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:11:54,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:11:54,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:11:54,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:11:54,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:11:54,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:11:54,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:11:54,289 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:11:54,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:11:54,290 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:11:54,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:11:54,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:11:54,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:11:54,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:11:54,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:11:54,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:11:54,292 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:11:54,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:11:54,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:11:54,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:11:54,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:11:54,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:11:54,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:11:54,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:11:54,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:11:54,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:11:54,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:11:54,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:11:54,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:11:54,296 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:11:54,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:11:54,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:11:54,297 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_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2022-11-16 12:11:54,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:11:54,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:11:54,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:11:54,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:11:54,636 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:11:54,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2022-11-16 12:11:54,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/data/acedae15e/f7b4946fc93547e59bd9dfe32851d535/FLAG9625a95a5 [2022-11-16 12:11:55,311 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:11:55,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2022-11-16 12:11:55,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/data/acedae15e/f7b4946fc93547e59bd9dfe32851d535/FLAG9625a95a5 [2022-11-16 12:11:55,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/data/acedae15e/f7b4946fc93547e59bd9dfe32851d535 [2022-11-16 12:11:55,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:11:55,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:11:55,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:11:55,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:11:55,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:11:55,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:11:55" (1/1) ... [2022-11-16 12:11:55,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@941982f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:55, skipping insertion in model container [2022-11-16 12:11:55,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:11:55" (1/1) ... [2022-11-16 12:11:55,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:11:55,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:11:56,010 WARN L229 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_be41886a-cf23-4baf-8fd8-d2d7da50e074/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2022-11-16 12:11:56,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:11:56,031 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:11:56,095 WARN L229 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_be41886a-cf23-4baf-8fd8-d2d7da50e074/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2022-11-16 12:11:56,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:11:56,120 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:11:56,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56 WrapperNode [2022-11-16 12:11:56,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:11:56,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:11:56,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:11:56,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:11:56,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,185 INFO L138 Inliner]: procedures = 52, calls = 148, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 198 [2022-11-16 12:11:56,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:11:56,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:11:56,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:11:56,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:11:56,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,238 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:11:56,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:11:56,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:11:56,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:11:56,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2022-11-16 12:11:56,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:11:56,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:11:56,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:11:56,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:11:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:11:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 12:11:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 12:11:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:11:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:11:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:11:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:11:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:11:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:11:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:11:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:11:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:11:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:11:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:11:56,485 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:11:56,488 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:11:56,842 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:11:56,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:11:56,861 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:11:56,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:11:56 BoogieIcfgContainer [2022-11-16 12:11:56,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:11:56,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:11:56,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:11:56,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:11:56,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:11:55" (1/3) ... [2022-11-16 12:11:56,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efe7745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:11:56, skipping insertion in model container [2022-11-16 12:11:56,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (2/3) ... [2022-11-16 12:11:56,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efe7745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:11:56, skipping insertion in model container [2022-11-16 12:11:56,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:11:56" (3/3) ... [2022-11-16 12:11:56,873 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2022-11-16 12:11:56,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:11:56,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:11:56,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:11:56,954 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7f540a83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:11:56,954 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:11:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 12:11:56,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 12:11:56,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:11:56,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:11:56,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:11:56,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:11:56,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1575563032, now seen corresponding path program 1 times [2022-11-16 12:11:56,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:11:56,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361196428] [2022-11-16 12:11:56,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:11:56,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:11:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:11:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:11:57,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:11:57,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361196428] [2022-11-16 12:11:57,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361196428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:11:57,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:11:57,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:11:57,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761914453] [2022-11-16 12:11:57,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:11:57,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:11:57,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:11:57,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:11:57,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:11:57,325 INFO L87 Difference]: Start difference. First operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:11:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:11:57,356 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2022-11-16 12:11:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:11:57,358 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-16 12:11:57,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:11:57,366 INFO L225 Difference]: With dead ends: 129 [2022-11-16 12:11:57,366 INFO L226 Difference]: Without dead ends: 60 [2022-11-16 12:11:57,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:11:57,373 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:11:57,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:11:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-16 12:11:57,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-16 12:11:57,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 51 states have internal predecessors, (62), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-16 12:11:57,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-11-16 12:11:57,419 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 25 [2022-11-16 12:11:57,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:11:57,420 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-11-16 12:11:57,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:11:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-11-16 12:11:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 12:11:57,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:11:57,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:11:57,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:11:57,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:11:57,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:11:57,424 INFO L85 PathProgramCache]: Analyzing trace with hash 630201487, now seen corresponding path program 1 times [2022-11-16 12:11:57,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:11:57,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497465106] [2022-11-16 12:11:57,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:11:57,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:11:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:11:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:11:57,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:11:57,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497465106] [2022-11-16 12:11:57,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497465106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:11:57,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:11:57,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:11:57,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895905962] [2022-11-16 12:11:57,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:11:57,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:11:57,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:11:57,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:11:57,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:11:57,612 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:11:57,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:11:57,638 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2022-11-16 12:11:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:11:57,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-16 12:11:57,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:11:57,647 INFO L225 Difference]: With dead ends: 80 [2022-11-16 12:11:57,647 INFO L226 Difference]: Without dead ends: 51 [2022-11-16 12:11:57,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:11:57,656 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 18 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:11:57,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:11:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-16 12:11:57,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-16 12:11:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 45 states have internal predecessors, (55), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-16 12:11:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-11-16 12:11:57,675 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 26 [2022-11-16 12:11:57,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:11:57,676 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-11-16 12:11:57,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:11:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-16 12:11:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 12:11:57,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:11:57,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:11:57,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:11:57,682 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:11:57,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:11:57,682 INFO L85 PathProgramCache]: Analyzing trace with hash -753775283, now seen corresponding path program 1 times [2022-11-16 12:11:57,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:11:57,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691918121] [2022-11-16 12:11:57,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:11:57,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:11:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 12:11:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:11:57,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:11:57,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691918121] [2022-11-16 12:11:57,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691918121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:11:57,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:11:57,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:11:57,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256971850] [2022-11-16 12:11:57,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:11:57,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:11:57,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:11:57,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:11:57,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:11:57,867 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:11:57,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:11:57,959 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2022-11-16 12:11:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:11:57,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-16 12:11:57,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:11:57,963 INFO L225 Difference]: With dead ends: 134 [2022-11-16 12:11:57,963 INFO L226 Difference]: Without dead ends: 91 [2022-11-16 12:11:57,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:11:57,965 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 133 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:11:57,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 183 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:11:57,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-16 12:11:57,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2022-11-16 12:11:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-16 12:11:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-11-16 12:11:57,982 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 31 [2022-11-16 12:11:57,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:11:57,983 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-11-16 12:11:57,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:11:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-11-16 12:11:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 12:11:57,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:11:57,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:11:57,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:11:57,985 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:11:57,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:11:57,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1660967422, now seen corresponding path program 1 times [2022-11-16 12:11:57,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:11:57,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928959968] [2022-11-16 12:11:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:11:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:11:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:11:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:11:58,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:11:58,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928959968] [2022-11-16 12:11:58,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928959968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:11:58,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:11:58,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:11:58,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256665370] [2022-11-16 12:11:58,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:11:58,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:11:58,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:11:58,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:11:58,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:11:58,213 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:11:58,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:11:58,315 INFO L93 Difference]: Finished difference Result 240 states and 317 transitions. [2022-11-16 12:11:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:11:58,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-16 12:11:58,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:11:58,318 INFO L225 Difference]: With dead ends: 240 [2022-11-16 12:11:58,319 INFO L226 Difference]: Without dead ends: 162 [2022-11-16 12:11:58,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:11:58,321 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 35 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:11:58,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 291 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:11:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-11-16 12:11:58,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2022-11-16 12:11:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 132 states have internal predecessors, (163), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20) [2022-11-16 12:11:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 199 transitions. [2022-11-16 12:11:58,349 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 199 transitions. Word has length 32 [2022-11-16 12:11:58,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:11:58,350 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 199 transitions. [2022-11-16 12:11:58,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:11:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 199 transitions. [2022-11-16 12:11:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 12:11:58,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:11:58,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:11:58,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:11:58,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:11:58,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:11:58,353 INFO L85 PathProgramCache]: Analyzing trace with hash -994471106, now seen corresponding path program 1 times [2022-11-16 12:11:58,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:11:58,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595069223] [2022-11-16 12:11:58,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:11:58,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:11:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:11:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:58,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:11:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:11:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:11:58,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:11:58,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595069223] [2022-11-16 12:11:58,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595069223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:11:58,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:11:58,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:11:58,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283847537] [2022-11-16 12:11:58,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:11:58,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:11:58,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:11:58,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:11:58,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:11:58,494 INFO L87 Difference]: Start difference. First operand 156 states and 199 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:11:58,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:11:58,655 INFO L93 Difference]: Finished difference Result 296 states and 384 transitions. [2022-11-16 12:11:58,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:11:58,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-16 12:11:58,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:11:58,658 INFO L225 Difference]: With dead ends: 296 [2022-11-16 12:11:58,658 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:11:58,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:11:58,662 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 49 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:11:58,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 115 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:11:58,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:11:58,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:11:58,664 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) [2022-11-16 12:11:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:11:58,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-16 12:11:58,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:11:58,665 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:11:58,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:11:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:11:58,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:11:58,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:11:58,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:11:58,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:11:59,151 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 801 812) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 12:11:59,151 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 801 812) no Hoare annotation was computed. [2022-11-16 12:11:59,152 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 801 812) no Hoare annotation was computed. [2022-11-16 12:11:59,152 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 813 821) the Hoare annotation is: true [2022-11-16 12:11:59,152 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 813 821) no Hoare annotation was computed. [2022-11-16 12:11:59,152 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 813 821) no Hoare annotation was computed. [2022-11-16 12:11:59,152 INFO L899 garLoopResultBuilder]: For program point L642-1(lines 641 660) no Hoare annotation was computed. [2022-11-16 12:11:59,153 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2022-11-16 12:11:59,153 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 886) no Hoare annotation was computed. [2022-11-16 12:11:59,153 INFO L895 garLoopResultBuilder]: At program point L781-2(lines 777 788) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-16 12:11:59,154 INFO L899 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2022-11-16 12:11:59,154 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 889) no Hoare annotation was computed. [2022-11-16 12:11:59,154 INFO L895 garLoopResultBuilder]: At program point L872-1(lines 864 892) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0)) [2022-11-16 12:11:59,154 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 638 661) no Hoare annotation was computed. [2022-11-16 12:11:59,155 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-11-16 12:11:59,156 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-11-16 12:11:59,156 INFO L899 garLoopResultBuilder]: For program point L769(line 769) no Hoare annotation was computed. [2022-11-16 12:11:59,157 INFO L895 garLoopResultBuilder]: At program point L701(lines 696 704) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0)))) [2022-11-16 12:11:59,157 INFO L895 garLoopResultBuilder]: At program point L666(lines 662 668) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2022-11-16 12:11:59,157 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 638 661) the Hoare annotation is: true [2022-11-16 12:11:59,157 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2022-11-16 12:11:59,158 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 638 661) no Hoare annotation was computed. [2022-11-16 12:11:59,158 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 769) no Hoare annotation was computed. [2022-11-16 12:11:59,158 INFO L895 garLoopResultBuilder]: At program point L770(lines 765 772) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-16 12:11:59,158 INFO L902 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2022-11-16 12:11:59,158 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2022-11-16 12:11:59,159 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-16 12:11:59,159 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2022-11-16 12:11:59,159 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2022-11-16 12:11:59,159 INFO L902 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2022-11-16 12:11:59,159 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-11-16 12:11:59,159 INFO L902 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2022-11-16 12:11:59,160 INFO L902 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2022-11-16 12:11:59,160 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2022-11-16 12:11:59,160 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 550) no Hoare annotation was computed. [2022-11-16 12:11:59,161 INFO L895 garLoopResultBuilder]: At program point L861(lines 856 863) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-11-16 12:11:59,161 INFO L899 garLoopResultBuilder]: For program point L543-2(lines 543 550) no Hoare annotation was computed. [2022-11-16 12:11:59,161 INFO L902 garLoopResultBuilder]: At program point L622(lines 559 626) the Hoare annotation is: true [2022-11-16 12:11:59,162 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2022-11-16 12:11:59,162 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 589 595) no Hoare annotation was computed. [2022-11-16 12:11:59,162 INFO L902 garLoopResultBuilder]: At program point L552(lines 533 555) the Hoare annotation is: true [2022-11-16 12:11:59,164 INFO L895 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-16 12:11:59,165 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-11-16 12:11:59,165 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:11:59,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:11:59,167 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:11:59,168 INFO L895 garLoopResultBuilder]: At program point L441(lines 437 443) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-11-16 12:11:59,168 INFO L895 garLoopResultBuilder]: At program point L619(lines 568 620) the Hoare annotation is: false [2022-11-16 12:11:59,168 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:11:59,168 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 613) no Hoare annotation was computed. [2022-11-16 12:11:59,169 INFO L895 garLoopResultBuilder]: At program point L607-2(lines 599 614) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-16 12:11:59,169 INFO L899 garLoopResultBuilder]: For program point L570(lines 569 618) no Hoare annotation was computed. [2022-11-16 12:11:59,170 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 614) no Hoare annotation was computed. [2022-11-16 12:11:59,170 INFO L895 garLoopResultBuilder]: At program point L434(lines 430 436) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-11-16 12:11:59,170 INFO L895 garLoopResultBuilder]: At program point L591(line 591) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-16 12:11:59,170 INFO L895 garLoopResultBuilder]: At program point L682(lines 677 684) the Hoare annotation is: false [2022-11-16 12:11:59,173 INFO L895 garLoopResultBuilder]: At program point L616(lines 569 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-16 12:11:59,174 INFO L895 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-11-16 12:11:59,174 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2022-11-16 12:11:59,174 INFO L899 garLoopResultBuilder]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2022-11-16 12:11:59,174 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2022-11-16 12:11:59,175 INFO L895 garLoopResultBuilder]: At program point L761(lines 756 763) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-11-16 12:11:59,175 INFO L902 garLoopResultBuilder]: At program point L530(lines 522 532) the Hoare annotation is: true [2022-11-16 12:11:59,175 INFO L895 garLoopResultBuilder]: At program point L753(lines 741 755) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-16 12:11:59,175 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2022-11-16 12:11:59,175 INFO L899 garLoopResultBuilder]: For program point L745-2(lines 745 751) no Hoare annotation was computed. [2022-11-16 12:11:59,176 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 789 800) no Hoare annotation was computed. [2022-11-16 12:11:59,176 INFO L899 garLoopResultBuilder]: For program point L793-1(lines 789 800) no Hoare annotation was computed. [2022-11-16 12:11:59,176 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 789 800) the Hoare annotation is: true [2022-11-16 12:11:59,179 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:11:59,182 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:11:59,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:11:59 BoogieIcfgContainer [2022-11-16 12:11:59,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:11:59,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:11:59,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:11:59,225 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:11:59,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:11:56" (3/4) ... [2022-11-16 12:11:59,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:11:59,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:11:59,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 12:11:59,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:11:59,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:11:59,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:11:59,247 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-16 12:11:59,247 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:11:59,248 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:11:59,248 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:11:59,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:11:59,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:11:59,249 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:11:59,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2022-11-16 12:11:59,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-16 12:11:59,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-16 12:11:59,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2022-11-16 12:11:59,280 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2022-11-16 12:11:59,280 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2022-11-16 12:11:59,280 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) [2022-11-16 12:11:59,298 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:11:59,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:11:59,299 INFO L158 Benchmark]: Toolchain (without parser) took 3679.37ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 67.5MB in the beginning and 106.0MB in the end (delta: -38.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-11-16 12:11:59,299 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:11:59,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.79ms. Allocated memory is still 107.0MB. Free memory was 67.3MB in the beginning and 74.9MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:11:59,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.17ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:11:59,300 INFO L158 Benchmark]: Boogie Preprocessor took 68.24ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 71.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:11:59,300 INFO L158 Benchmark]: RCFGBuilder took 608.03ms. Allocated memory is still 107.0MB. Free memory was 71.0MB in the beginning and 54.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:11:59,301 INFO L158 Benchmark]: TraceAbstraction took 2358.36ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 53.9MB in the beginning and 57.3MB in the end (delta: -3.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-16 12:11:59,301 INFO L158 Benchmark]: Witness Printer took 73.70ms. Allocated memory is still 132.1MB. Free memory was 57.3MB in the beginning and 106.0MB in the end (delta: -48.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:11:59,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.79ms. Allocated memory is still 107.0MB. Free memory was 67.3MB in the beginning and 74.9MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.17ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.24ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 71.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.03ms. Allocated memory is still 107.0MB. Free memory was 71.0MB in the beginning and 54.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2358.36ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 53.9MB in the beginning and 57.3MB in the end (delta: -3.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Witness Printer took 73.70ms. Allocated memory is still 132.1MB. Free memory was 57.3MB in the beginning and 106.0MB in the end (delta: -48.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 769]: 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 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 775 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 304 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 175 PreInvPairs, 221 NumberOfFragments, 221 HoareAnnotationTreeSize, 175 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 802 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 1 specifications checked. All of them hold - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || tmp == 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2022-11-16 12:11:59,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be41886a-cf23-4baf-8fd8-d2d7da50e074/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE