./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ --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 0d9ebbb30768a2034911923a47ec23b508893488073d6c966da0671a59e428a3 --- 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-dbf71c6-m [2022-10-17 10:34:29,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:34:29,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:34:29,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:34:29,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:34:29,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:34:29,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:34:29,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:34:29,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:34:29,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:34:29,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:34:29,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:34:29,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:34:29,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:34:29,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:34:29,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:34:29,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:34:29,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:34:29,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:34:29,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:34:29,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:34:29,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:34:29,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:34:29,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:34:29,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:34:29,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:34:29,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:34:29,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:34:29,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:34:29,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:34:29,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:34:29,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:34:29,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:34:29,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:34:29,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:34:29,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:34:29,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:34:29,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:34:29,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:34:29,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:34:29,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:34:29,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:34:29,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:34:29,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:34:29,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:34:29,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:34:29,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:34:29,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:34:29,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:34:29,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:34:29,684 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:34:29,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:34:29,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:34:29,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:34:29,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:34:29,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:34:29,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:34:29,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:34:29,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:34:29,686 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:34:29,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:34:29,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:34:29,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:34:29,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:34:29,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:34:29,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:34:29,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:34:29,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:34:29,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:34:29,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:34:29,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:34:29,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:34:29,690 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:34:29,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:34:29,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:34:29,690 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_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9ebbb30768a2034911923a47ec23b508893488073d6c966da0671a59e428a3 [2022-10-17 10:34:30,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:34:30,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:34:30,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:34:30,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:34:30,099 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:34:30,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2022-10-17 10:34:30,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/data/22bd64e00/af2d1f8c28614b6ca448fc614e11d9e4/FLAGd42913e1b [2022-10-17 10:34:30,801 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:34:30,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2022-10-17 10:34:30,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/data/22bd64e00/af2d1f8c28614b6ca448fc614e11d9e4/FLAGd42913e1b [2022-10-17 10:34:31,047 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/data/22bd64e00/af2d1f8c28614b6ca448fc614e11d9e4 [2022-10-17 10:34:31,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:34:31,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:34:31,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:34:31,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:34:31,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:34:31,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f681242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31, skipping insertion in model container [2022-10-17 10:34:31,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:34:31,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:34:31,587 WARN L230 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_78733f35-5448-4684-b7f5-67c1c97b7a59/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16435,16448] [2022-10-17 10:34:31,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:34:31,611 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:34:31,717 WARN L230 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_78733f35-5448-4684-b7f5-67c1c97b7a59/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16435,16448] [2022-10-17 10:34:31,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:34:31,770 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:34:31,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31 WrapperNode [2022-10-17 10:34:31,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:34:31,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:34:31,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:34:31,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:34:31,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,871 INFO L138 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 216 [2022-10-17 10:34:31,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:34:31,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:34:31,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:34:31,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:34:31,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:34:31,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:34:31,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:34:31,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:34:31,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (1/1) ... [2022-10-17 10:34:31,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:34:31,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:34:32,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:34:32,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:34:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:34:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:34:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:34:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:34:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:34:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:34:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:34:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:34:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:34:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:34:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:34:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:34:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:34:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:34:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:34:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:34:32,177 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:34:32,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:34:32,557 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:34:32,572 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:34:32,572 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:34:32,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:34:32 BoogieIcfgContainer [2022-10-17 10:34:32,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:34:32,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:34:32,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:34:32,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:34:32,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:34:31" (1/3) ... [2022-10-17 10:34:32,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db186f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:34:32, skipping insertion in model container [2022-10-17 10:34:32,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:31" (2/3) ... [2022-10-17 10:34:32,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db186f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:34:32, skipping insertion in model container [2022-10-17 10:34:32,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:34:32" (3/3) ... [2022-10-17 10:34:32,593 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2022-10-17 10:34:32,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:34:32,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:34:32,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:34:32,704 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;@42082caf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:34:32,705 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:34:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 63 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-10-17 10:34:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 10:34:32,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:32,721 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] [2022-10-17 10:34:32,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:32,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:32,727 INFO L85 PathProgramCache]: Analyzing trace with hash 734159136, now seen corresponding path program 1 times [2022-10-17 10:34:32,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:32,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14532940] [2022-10-17 10:34:32,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:32,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:34:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:34:33,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:33,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14532940] [2022-10-17 10:34:33,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14532940] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:33,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:33,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:34:33,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756086962] [2022-10-17 10:34:33,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:33,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:34:33,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:33,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:34:33,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:34:33,055 INFO L87 Difference]: Start difference. First operand has 74 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 63 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-10-17 10:34:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:33,087 INFO L93 Difference]: Finished difference Result 140 states and 189 transitions. [2022-10-17 10:34:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:34:33,090 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-10-17 10:34:33,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:33,099 INFO L225 Difference]: With dead ends: 140 [2022-10-17 10:34:33,099 INFO L226 Difference]: Without dead ends: 65 [2022-10-17 10:34:33,103 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 [2022-10-17 10:34:33,107 INFO L413 NwaCegarLoop]: 91 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, 91 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 [2022-10-17 10:34:33,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:34:33,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-10-17 10:34:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-10-17 10:34:33,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.3) internal successors, (65), 55 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 10:34:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-10-17 10:34:33,169 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 23 [2022-10-17 10:34:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:33,171 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-10-17 10:34:33,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-10-17 10:34:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-10-17 10:34:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 10:34:33,174 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:33,175 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] [2022-10-17 10:34:33,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:34:33,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:33,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1529571606, now seen corresponding path program 1 times [2022-10-17 10:34:33,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:33,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472574848] [2022-10-17 10:34:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:33,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:33,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:34:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:34:33,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:33,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472574848] [2022-10-17 10:34:33,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472574848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:33,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:33,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:34:33,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679589838] [2022-10-17 10:34:33,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:33,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:34:33,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:33,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:34:33,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:34:33,363 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-10-17 10:34:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:33,399 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2022-10-17 10:34:33,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:34:33,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-10-17 10:34:33,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:33,402 INFO L225 Difference]: With dead ends: 95 [2022-10-17 10:34:33,402 INFO L226 Difference]: Without dead ends: 56 [2022-10-17 10:34:33,403 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 [2022-10-17 10:34:33,406 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 13 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 121 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 [2022-10-17 10:34:33,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:34:33,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-10-17 10:34:33,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-10-17 10:34:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 49 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-17 10:34:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-10-17 10:34:33,419 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 24 [2022-10-17 10:34:33,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:33,419 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2022-10-17 10:34:33,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-10-17 10:34:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-10-17 10:34:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 10:34:33,422 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:33,422 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] [2022-10-17 10:34:33,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:34:33,423 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash 434754844, now seen corresponding path program 1 times [2022-10-17 10:34:33,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:33,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689977232] [2022-10-17 10:34:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:34:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:34:33,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:33,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689977232] [2022-10-17 10:34:33,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689977232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:33,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:33,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:34:33,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312527754] [2022-10-17 10:34:33,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:33,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:34:33,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:33,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:34:33,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:34:33,597 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-17 10:34:33,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:33,637 INFO L93 Difference]: Finished difference Result 105 states and 134 transitions. [2022-10-17 10:34:33,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:34:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2022-10-17 10:34:33,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:33,644 INFO L225 Difference]: With dead ends: 105 [2022-10-17 10:34:33,644 INFO L226 Difference]: Without dead ends: 56 [2022-10-17 10:34:33,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:34:33,660 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:33,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 68 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:34:33,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-10-17 10:34:33,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-10-17 10:34:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-17 10:34:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2022-10-17 10:34:33,686 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 29 [2022-10-17 10:34:33,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:33,687 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2022-10-17 10:34:33,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-17 10:34:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2022-10-17 10:34:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 10:34:33,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:33,693 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] [2022-10-17 10:34:33,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:34:33,693 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:33,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:33,694 INFO L85 PathProgramCache]: Analyzing trace with hash -863748242, now seen corresponding path program 1 times [2022-10-17 10:34:33,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:33,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432088702] [2022-10-17 10:34:33,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:33,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:34:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:34:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:34:34,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:34,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432088702] [2022-10-17 10:34:34,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432088702] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:34,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:34,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:34:34,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965036660] [2022-10-17 10:34:34,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:34,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:34:34,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:34,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:34:34,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:34:34,010 INFO L87 Difference]: Start difference. First operand 56 states and 69 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 10:34:34,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:34,202 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2022-10-17 10:34:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:34:34,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-10-17 10:34:34,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:34,207 INFO L225 Difference]: With dead ends: 153 [2022-10-17 10:34:34,208 INFO L226 Difference]: Without dead ends: 104 [2022-10-17 10:34:34,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:34:34,212 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 41 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:34,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 326 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:34:34,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-10-17 10:34:34,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-10-17 10:34:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 78 states have (on average 1.294871794871795) internal successors, (101), 87 states have internal predecessors, (101), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2022-10-17 10:34:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2022-10-17 10:34:34,246 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 34 [2022-10-17 10:34:34,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:34,248 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2022-10-17 10:34:34,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 10:34:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2022-10-17 10:34:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 10:34:34,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:34,252 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, 1, 1] [2022-10-17 10:34:34,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:34:34,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:34,254 INFO L85 PathProgramCache]: Analyzing trace with hash 263176306, now seen corresponding path program 1 times [2022-10-17 10:34:34,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:34,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698856191] [2022-10-17 10:34:34,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:34,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-17 10:34:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:34:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-17 10:34:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:34:34,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:34,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698856191] [2022-10-17 10:34:34,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698856191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:34,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:34,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:34:34,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257333599] [2022-10-17 10:34:34,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:34,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:34:34,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:34,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:34:34,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:34:34,521 INFO L87 Difference]: Start difference. First operand 101 states and 126 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-17 10:34:34,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:34,726 INFO L93 Difference]: Finished difference Result 178 states and 223 transitions. [2022-10-17 10:34:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:34:34,728 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-10-17 10:34:34,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:34,729 INFO L225 Difference]: With dead ends: 178 [2022-10-17 10:34:34,729 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:34:34,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:34:34,733 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 45 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:34,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 119 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:34:34,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:34:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:34:34,735 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) [2022-10-17 10:34:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:34:34,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-10-17 10:34:34,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:34,736 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:34:34,737 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-17 10:34:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:34:34,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:34:34,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:34:34,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:34:34,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:34:35,268 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 251 257) no Hoare annotation was computed. [2022-10-17 10:34:35,268 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 251 257) the Hoare annotation is: true [2022-10-17 10:34:35,269 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 853 864) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-10-17 10:34:35,269 INFO L899 garLoopResultBuilder]: For program point L857-1(lines 853 864) no Hoare annotation was computed. [2022-10-17 10:34:35,269 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 853 864) no Hoare annotation was computed. [2022-10-17 10:34:35,269 INFO L895 garLoopResultBuilder]: At program point L316(lines 311 319) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-10-17 10:34:35,270 INFO L895 garLoopResultBuilder]: At program point L911(lines 906 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,270 INFO L899 garLoopResultBuilder]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2022-10-17 10:34:35,271 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 275) no Hoare annotation was computed. [2022-10-17 10:34:35,271 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 280) no Hoare annotation was computed. [2022-10-17 10:34:35,271 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 227 250) no Hoare annotation was computed. [2022-10-17 10:34:35,271 INFO L899 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2022-10-17 10:34:35,271 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2022-10-17 10:34:35,273 INFO L895 garLoopResultBuilder]: At program point L833-2(lines 829 840) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,273 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2022-10-17 10:34:35,273 INFO L895 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-10-17 10:34:35,273 INFO L899 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2022-10-17 10:34:35,274 INFO L895 garLoopResultBuilder]: At program point L371(lines 356 374) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,274 INFO L895 garLoopResultBuilder]: At program point L297(lines 292 299) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,274 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 230 249) no Hoare annotation was computed. [2022-10-17 10:34:35,274 INFO L895 garLoopResultBuilder]: At program point L822(lines 817 824) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,275 INFO L895 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,275 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,275 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-10-17 10:34:35,275 INFO L895 garLoopResultBuilder]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,276 INFO L895 garLoopResultBuilder]: At program point L278-1(lines 259 283) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,276 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 227 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-10-17 10:34:35,276 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2022-10-17 10:34:35,276 INFO L899 garLoopResultBuilder]: For program point L365-2(lines 365 369) no Hoare annotation was computed. [2022-10-17 10:34:35,277 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 227 250) no Hoare annotation was computed. [2022-10-17 10:34:35,277 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 821) no Hoare annotation was computed. [2022-10-17 10:34:35,277 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 119 148) no Hoare annotation was computed. [2022-10-17 10:34:35,279 INFO L902 garLoopResultBuilder]: At program point L129-2(lines 129 143) the Hoare annotation is: true [2022-10-17 10:34:35,279 INFO L902 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2022-10-17 10:34:35,279 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 119 148) the Hoare annotation is: true [2022-10-17 10:34:35,279 INFO L899 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2022-10-17 10:34:35,280 INFO L902 garLoopResultBuilder]: At program point L144(lines 119 148) the Hoare annotation is: true [2022-10-17 10:34:35,280 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-10-17 10:34:35,280 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2022-10-17 10:34:35,280 INFO L902 garLoopResultBuilder]: At program point L133-1(lines 133 137) the Hoare annotation is: true [2022-10-17 10:34:35,280 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-10-17 10:34:35,281 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 865 873) the Hoare annotation is: true [2022-10-17 10:34:35,281 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 865 873) no Hoare annotation was computed. [2022-10-17 10:34:35,281 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 865 873) no Hoare annotation was computed. [2022-10-17 10:34:35,281 INFO L895 garLoopResultBuilder]: At program point L97(lines 93 99) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-10-17 10:34:35,284 INFO L902 garLoopResultBuilder]: At program point L213(lines 194 216) the Hoare annotation is: true [2022-10-17 10:34:35,285 INFO L895 garLoopResultBuilder]: At program point L180(lines 176 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-10-17 10:34:35,285 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-10-17 10:34:35,285 INFO L895 garLoopResultBuilder]: At program point L432-2(lines 424 437) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:34:35,285 INFO L899 garLoopResultBuilder]: For program point L395(lines 394 441) no Hoare annotation was computed. [2022-10-17 10:34:35,286 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 437) no Hoare annotation was computed. [2022-10-17 10:34:35,286 INFO L895 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:34:35,286 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:34:35,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:34:35,286 INFO L902 garLoopResultBuilder]: At program point L445(lines 384 449) the Hoare annotation is: true [2022-10-17 10:34:35,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:34:35,287 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2022-10-17 10:34:35,287 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2022-10-17 10:34:35,287 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 400) no Hoare annotation was computed. [2022-10-17 10:34:35,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:34:35,288 INFO L895 garLoopResultBuilder]: At program point L380(lines 375 382) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:34:35,288 INFO L895 garLoopResultBuilder]: At program point L442(lines 393 443) the Hoare annotation is: false [2022-10-17 10:34:35,288 INFO L895 garLoopResultBuilder]: At program point L112(lines 107 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-10-17 10:34:35,288 INFO L895 garLoopResultBuilder]: At program point L104(lines 100 106) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-10-17 10:34:35,289 INFO L902 garLoopResultBuilder]: At program point L191(lines 184 193) the Hoare annotation is: true [2022-10-17 10:34:35,289 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 420) no Hoare annotation was computed. [2022-10-17 10:34:35,289 INFO L899 garLoopResultBuilder]: For program point L414-1(lines 414 420) no Hoare annotation was computed. [2022-10-17 10:34:35,289 INFO L895 garLoopResultBuilder]: At program point L439(lines 394 441) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:34:35,290 INFO L895 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 10:34:35,290 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 211) no Hoare annotation was computed. [2022-10-17 10:34:35,290 INFO L899 garLoopResultBuilder]: For program point L204-2(lines 204 211) no Hoare annotation was computed. [2022-10-17 10:34:35,290 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 841 852) no Hoare annotation was computed. [2022-10-17 10:34:35,290 INFO L899 garLoopResultBuilder]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2022-10-17 10:34:35,291 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 841 852) the Hoare annotation is: true [2022-10-17 10:34:35,296 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-17 10:34:35,298 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:34:35,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:34:35 BoogieIcfgContainer [2022-10-17 10:34:35,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:34:35,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:34:35,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:34:35,345 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:34:35,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:34:32" (3/4) ... [2022-10-17 10:34:35,349 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:34:35,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:34:35,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:34:35,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:34:35,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:34:35,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:34:35,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:34:35,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-10-17 10:34:35,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:34:35,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:34:35,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:34:35,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:34:35,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:34:35,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:34:35,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-10-17 10:34:35,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-10-17 10:34:35,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-10-17 10:34:35,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-10-17 10:34:35,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-10-17 10:34:35,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-10-17 10:34:35,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-10-17 10:34:35,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-10-17 10:34:35,480 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:34:35,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:34:35,481 INFO L158 Benchmark]: Toolchain (without parser) took 4427.12ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.6MB in the beginning and 42.0MB in the end (delta: 7.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-10-17 10:34:35,481 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:34:35,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.32ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 74.0MB in the end (delta: -24.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:34:35,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.85ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 71.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:34:35,482 INFO L158 Benchmark]: Boogie Preprocessor took 73.08ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:34:35,483 INFO L158 Benchmark]: RCFGBuilder took 627.29ms. Allocated memory is still 107.0MB. Free memory was 70.2MB in the beginning and 52.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 10:34:35,484 INFO L158 Benchmark]: TraceAbstraction took 2767.27ms. Allocated memory is still 107.0MB. Free memory was 52.1MB in the beginning and 46.9MB in the end (delta: 5.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-10-17 10:34:35,484 INFO L158 Benchmark]: Witness Printer took 135.54ms. Allocated memory is still 107.0MB. Free memory was 46.9MB in the beginning and 42.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:34:35,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.32ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 74.0MB in the end (delta: -24.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.85ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 71.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.08ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.29ms. Allocated memory is still 107.0MB. Free memory was 70.2MB in the beginning and 52.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2767.27ms. Allocated memory is still 107.0MB. Free memory was 52.1MB in the beginning and 46.9MB in the end (delta: 5.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 135.54ms. Allocated memory is still 107.0MB. Free memory was 46.9MB in the beginning and 42.0MB in the end (delta: 5.0MB). 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: 821]: 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 7 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 725 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 345 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 191 PreInvPairs, 215 NumberOfFragments, 275 HoareAnnotationTreeSize, 191 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 447 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 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: 176]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2022-10-17 10:34:35,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78733f35-5448-4684-b7f5-67c1c97b7a59/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE