./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro --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 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 --- 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-8393723 [2022-11-18 18:39:04,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:39:04,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:39:04,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:39:04,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:39:04,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:39:04,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:39:04,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:39:04,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:39:04,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:39:04,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:39:04,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:39:04,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:39:04,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:39:04,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:39:04,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:39:04,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:39:04,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:39:04,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:39:05,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:39:05,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:39:05,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:39:05,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:39:05,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:39:05,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:39:05,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:39:05,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:39:05,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:39:05,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:39:05,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:39:05,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:39:05,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:39:05,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:39:05,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:39:05,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:39:05,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:39:05,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:39:05,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:39:05,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:39:05,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:39:05,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:39:05,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 18:39:05,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:39:05,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:39:05,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:39:05,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:39:05,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:39:05,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:39:05,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:39:05,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:39:05,100 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:39:05,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:39:05,102 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:39:05,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:39:05,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:39:05,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:39:05,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:39:05,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:39:05,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:39:05,104 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:39:05,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:39:05,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:39:05,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:39:05,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:39:05,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:39:05,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:39:05,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:39:05,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:39:05,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:39:05,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:39:05,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:39:05,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:39:05,107 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:39:05,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:39:05,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:39:05,108 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_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2022-11-18 18:39:05,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:39:05,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:39:05,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:39:05,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:39:05,466 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:39:05,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2022-11-18 18:39:05,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/data/c07cd0577/98f01cc8501141e4829ef68408df8f94/FLAG20f592734 [2022-11-18 18:39:06,280 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:39:06,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2022-11-18 18:39:06,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/data/c07cd0577/98f01cc8501141e4829ef68408df8f94/FLAG20f592734 [2022-11-18 18:39:06,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/data/c07cd0577/98f01cc8501141e4829ef68408df8f94 [2022-11-18 18:39:06,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:39:06,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:39:06,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:39:06,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:39:06,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:39:06,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:39:06" (1/1) ... [2022-11-18 18:39:06,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a9d150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:06, skipping insertion in model container [2022-11-18 18:39:06,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:39:06" (1/1) ... [2022-11-18 18:39:06,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:39:06,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:39:06,884 WARN L234 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_a70350b6-ddb6-48c7-9c16-929126f65785/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2022-11-18 18:39:06,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:39:06,908 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:39:07,018 WARN L234 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_a70350b6-ddb6-48c7-9c16-929126f65785/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2022-11-18 18:39:07,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:39:07,045 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:39:07,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07 WrapperNode [2022-11-18 18:39:07,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:39:07,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:39:07,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:39:07,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:39:07,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,110 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 139 [2022-11-18 18:39:07,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:39:07,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:39:07,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:39:07,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:39:07,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:39:07,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:39:07,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:39:07,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:39:07,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (1/1) ... [2022-11-18 18:39:07,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:39:07,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:39:07,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:39:07,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:39:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:39:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 18:39:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 18:39:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 18:39:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 18:39:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 18:39:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 18:39:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 18:39:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 18:39:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:39:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 18:39:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 18:39:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:39:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:39:07,376 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:39:07,379 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:39:07,603 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:39:07,611 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:39:07,611 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 18:39:07,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:07 BoogieIcfgContainer [2022-11-18 18:39:07,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:39:07,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:39:07,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:39:07,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:39:07,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:39:06" (1/3) ... [2022-11-18 18:39:07,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d40ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:39:07, skipping insertion in model container [2022-11-18 18:39:07,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:07" (2/3) ... [2022-11-18 18:39:07,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d40ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:39:07, skipping insertion in model container [2022-11-18 18:39:07,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:07" (3/3) ... [2022-11-18 18:39:07,625 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2022-11-18 18:39:07,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:39:07,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:39:07,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:39:07,787 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;@6c818246, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:39:07,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:39:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 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) [2022-11-18 18:39:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 18:39:07,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:07,818 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] [2022-11-18 18:39:07,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:07,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:07,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1618223231, now seen corresponding path program 1 times [2022-11-18 18:39:07,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:07,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089173852] [2022-11-18 18:39:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:07,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 18:39:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:39:08,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:08,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089173852] [2022-11-18 18:39:08,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089173852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:08,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:08,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:39:08,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864957680] [2022-11-18 18:39:08,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:08,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 18:39:08,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:08,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 18:39:08,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:39:08,252 INFO L87 Difference]: Start difference. First operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 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) [2022-11-18 18:39:08,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:08,330 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2022-11-18 18:39:08,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 18:39:08,334 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 [2022-11-18 18:39:08,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:08,350 INFO L225 Difference]: With dead ends: 127 [2022-11-18 18:39:08,351 INFO L226 Difference]: Without dead ends: 59 [2022-11-18 18:39:08,361 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 [2022-11-18 18:39:08,366 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2022-11-18 18:39:08,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:39:08,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-18 18:39:08,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-18 18:39:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 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) [2022-11-18 18:39:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-11-18 18:39:08,439 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 25 [2022-11-18 18:39:08,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:08,439 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-11-18 18:39:08,441 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) [2022-11-18 18:39:08,441 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-11-18 18:39:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 18:39:08,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:08,447 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] [2022-11-18 18:39:08,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:39:08,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:08,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:08,450 INFO L85 PathProgramCache]: Analyzing trace with hash -915486216, now seen corresponding path program 1 times [2022-11-18 18:39:08,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:08,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318941203] [2022-11-18 18:39:08,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:39:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:39:08,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:08,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318941203] [2022-11-18 18:39:08,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318941203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:08,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:08,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:39:08,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425307376] [2022-11-18 18:39:08,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:08,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:39:08,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:08,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:39:08,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:39:08,601 INFO L87 Difference]: Start difference. First operand 59 states and 74 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) [2022-11-18 18:39:08,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:08,620 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2022-11-18 18:39:08,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:39:08,621 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 [2022-11-18 18:39:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:08,623 INFO L225 Difference]: With dead ends: 79 [2022-11-18 18:39:08,623 INFO L226 Difference]: Without dead ends: 50 [2022-11-18 18:39:08,624 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 [2022-11-18 18:39:08,625 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 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 [2022-11-18 18:39:08,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:39:08,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-18 18:39:08,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-18 18:39:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 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) [2022-11-18 18:39:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-11-18 18:39:08,637 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 26 [2022-11-18 18:39:08,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:08,637 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-11-18 18:39:08,638 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) [2022-11-18 18:39:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-18 18:39:08,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 18:39:08,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:08,639 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] [2022-11-18 18:39:08,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:39:08,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:08,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:08,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1945528758, now seen corresponding path program 1 times [2022-11-18 18:39:08,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:08,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025692725] [2022-11-18 18:39:08,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:08,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:39:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:39:08,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:08,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025692725] [2022-11-18 18:39:08,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025692725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:08,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:08,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:39:08,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711148846] [2022-11-18 18:39:08,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:08,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:39:08,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:08,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:39:08,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:39:08,897 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-11-18 18:39:09,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:09,067 INFO L93 Difference]: Finished difference Result 173 states and 224 transitions. [2022-11-18 18:39:09,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:39:09,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2022-11-18 18:39:09,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:09,071 INFO L225 Difference]: With dead ends: 173 [2022-11-18 18:39:09,072 INFO L226 Difference]: Without dead ends: 131 [2022-11-18 18:39:09,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:39:09,074 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 171 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:39:09,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 287 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:39:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-11-18 18:39:09,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 121. [2022-11-18 18:39:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 103 states have internal predecessors, (131), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2022-11-18 18:39:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 156 transitions. [2022-11-18 18:39:09,114 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 156 transitions. Word has length 30 [2022-11-18 18:39:09,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:09,115 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 156 transitions. [2022-11-18 18:39:09,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-11-18 18:39:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2022-11-18 18:39:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 18:39:09,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:09,121 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] [2022-11-18 18:39:09,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:39:09,121 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:09,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:09,122 INFO L85 PathProgramCache]: Analyzing trace with hash -290200365, now seen corresponding path program 1 times [2022-11-18 18:39:09,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:09,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294654500] [2022-11-18 18:39:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:09,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:09,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:39:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:39:09,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:09,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294654500] [2022-11-18 18:39:09,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294654500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:09,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:09,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:39:09,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668197880] [2022-11-18 18:39:09,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:09,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:39:09,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:09,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:39:09,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:39:09,259 INFO L87 Difference]: Start difference. First operand 121 states and 156 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-18 18:39:09,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:09,334 INFO L93 Difference]: Finished difference Result 231 states and 301 transitions. [2022-11-18 18:39:09,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:39:09,344 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), 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 31 [2022-11-18 18:39:09,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:09,345 INFO L225 Difference]: With dead ends: 231 [2022-11-18 18:39:09,345 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:39:09,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:39:09,348 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 36 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:39:09,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:39:09,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:39:09,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:39:09,350 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) [2022-11-18 18:39:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:39:09,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2022-11-18 18:39:09,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:09,351 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:39:09,351 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), 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) [2022-11-18 18:39:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:39:09,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:39:09,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:39:09,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:39:09,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:39:09,730 INFO L899 garLoopResultBuilder]: For program point L753-1(lines 749 760) no Hoare annotation was computed. [2022-11-18 18:39:09,731 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 749 760) the Hoare annotation is: true [2022-11-18 18:39:09,731 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 749 760) no Hoare annotation was computed. [2022-11-18 18:39:09,731 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 804 833) no Hoare annotation was computed. [2022-11-18 18:39:09,732 INFO L902 garLoopResultBuilder]: At program point L829(lines 804 833) the Hoare annotation is: true [2022-11-18 18:39:09,732 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 804 833) the Hoare annotation is: true [2022-11-18 18:39:09,732 INFO L899 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2022-11-18 18:39:09,733 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2022-11-18 18:39:09,733 INFO L902 garLoopResultBuilder]: At program point L818-1(lines 818 822) the Hoare annotation is: true [2022-11-18 18:39:09,734 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2022-11-18 18:39:09,734 INFO L902 garLoopResultBuilder]: At program point L814-2(lines 814 828) the Hoare annotation is: true [2022-11-18 18:39:09,734 INFO L902 garLoopResultBuilder]: At program point L810(line 810) the Hoare annotation is: true [2022-11-18 18:39:09,735 INFO L899 garLoopResultBuilder]: For program point L810-1(line 810) no Hoare annotation was computed. [2022-11-18 18:39:09,735 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 761 769) the Hoare annotation is: true [2022-11-18 18:39:09,735 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 761 769) no Hoare annotation was computed. [2022-11-18 18:39:09,745 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 761 769) no Hoare annotation was computed. [2022-11-18 18:39:09,745 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 714) no Hoare annotation was computed. [2022-11-18 18:39:09,746 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2022-11-18 18:39:09,746 INFO L902 garLoopResultBuilder]: At program point L700-1(lines 692 720) the Hoare annotation is: true [2022-11-18 18:39:09,746 INFO L902 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: true [2022-11-18 18:39:09,746 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2022-11-18 18:39:09,746 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2022-11-18 18:39:09,750 INFO L895 garLoopResultBuilder]: At program point L729-2(lines 725 736) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-18 18:39:09,750 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 470 489) no Hoare annotation was computed. [2022-11-18 18:39:09,750 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 467 490) no Hoare annotation was computed. [2022-11-18 18:39:09,750 INFO L899 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2022-11-18 18:39:09,751 INFO L895 garLoopResultBuilder]: At program point L548(lines 543 551) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-11-18 18:39:09,751 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2022-11-18 18:39:09,751 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2022-11-18 18:39:09,751 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 467 490) the Hoare annotation is: true [2022-11-18 18:39:09,751 INFO L895 garLoopResultBuilder]: At program point L495(lines 491 497) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2022-11-18 18:39:09,751 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 467 490) no Hoare annotation was computed. [2022-11-18 18:39:09,751 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2022-11-18 18:39:09,752 INFO L895 garLoopResultBuilder]: At program point L679(lines 674 681) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-18 18:39:09,752 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 893) no Hoare annotation was computed. [2022-11-18 18:39:09,752 INFO L899 garLoopResultBuilder]: For program point L886-2(lines 886 893) no Hoare annotation was computed. [2022-11-18 18:39:09,752 INFO L899 garLoopResultBuilder]: For program point L618(lines 617 664) no Hoare annotation was computed. [2022-11-18 18:39:09,752 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 660) no Hoare annotation was computed. [2022-11-18 18:39:09,752 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:39:09,752 INFO L895 garLoopResultBuilder]: At program point L639(line 639) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:39:09,753 INFO L902 garLoopResultBuilder]: At program point L895(lines 876 898) the Hoare annotation is: true [2022-11-18 18:39:09,753 INFO L895 garLoopResultBuilder]: At program point L862(lines 858 864) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-18 18:39:09,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:39:09,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:39:09,753 INFO L902 garLoopResultBuilder]: At program point L668(lines 607 672) the Hoare annotation is: true [2022-11-18 18:39:09,753 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2022-11-18 18:39:09,753 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2022-11-18 18:39:09,754 INFO L895 garLoopResultBuilder]: At program point L689(lines 684 691) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-18 18:39:09,754 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 623) no Hoare annotation was computed. [2022-11-18 18:39:09,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:39:09,754 INFO L895 garLoopResultBuilder]: At program point L665(lines 616 666) the Hoare annotation is: false [2022-11-18 18:39:09,754 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-18 18:39:09,754 INFO L895 garLoopResultBuilder]: At program point L529(lines 524 531) the Hoare annotation is: false [2022-11-18 18:39:09,754 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2022-11-18 18:39:09,761 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-18 18:39:09,761 INFO L895 garLoopResultBuilder]: At program point L653-2(lines 647 660) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:39:09,765 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 643) no Hoare annotation was computed. [2022-11-18 18:39:09,765 INFO L899 garLoopResultBuilder]: For program point L637-1(lines 637 643) no Hoare annotation was computed. [2022-11-18 18:39:09,765 INFO L895 garLoopResultBuilder]: At program point L600(lines 588 602) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:39:09,766 INFO L895 garLoopResultBuilder]: At program point L662(lines 617 664) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:39:09,766 INFO L895 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:39:09,766 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 598) no Hoare annotation was computed. [2022-11-18 18:39:09,766 INFO L899 garLoopResultBuilder]: For program point L592-2(lines 592 598) no Hoare annotation was computed. [2022-11-18 18:39:09,766 INFO L902 garLoopResultBuilder]: At program point L873(lines 865 875) the Hoare annotation is: true [2022-11-18 18:39:09,767 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-18 18:39:09,767 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 737 748) no Hoare annotation was computed. [2022-11-18 18:39:09,767 INFO L899 garLoopResultBuilder]: For program point L741-1(lines 737 748) no Hoare annotation was computed. [2022-11-18 18:39:09,767 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 737 748) the Hoare annotation is: true [2022-11-18 18:39:09,771 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-18 18:39:09,776 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:39:09,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:39:09 BoogieIcfgContainer [2022-11-18 18:39:09,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:39:09,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:39:09,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:39:09,794 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:39:09,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:07" (3/4) ... [2022-11-18 18:39:09,798 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:39:09,804 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 18:39:09,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 18:39:09,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-18 18:39:09,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 18:39:09,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 18:39:09,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-18 18:39:09,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 18:39:09,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:39:09,812 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:39:09,812 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:39:09,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-11-18 18:39:09,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-18 18:39:09,838 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-18 18:39:09,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2022-11-18 18:39:09,856 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:39:09,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:39:09,857 INFO L158 Benchmark]: Toolchain (without parser) took 3334.60ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 73.3MB in the beginning and 108.4MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:39:09,857 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:39:09,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.42ms. Allocated memory is still 113.2MB. Free memory was 73.0MB in the beginning and 80.0MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:39:09,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.12ms. Allocated memory is still 113.2MB. Free memory was 80.0MB in the beginning and 77.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:39:09,859 INFO L158 Benchmark]: Boogie Preprocessor took 31.40ms. Allocated memory is still 113.2MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:39:09,859 INFO L158 Benchmark]: RCFGBuilder took 467.68ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 62.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 18:39:09,859 INFO L158 Benchmark]: TraceAbstraction took 2176.40ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 62.1MB in the beginning and 112.5MB in the end (delta: -50.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-11-18 18:39:09,860 INFO L158 Benchmark]: Witness Printer took 62.98ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 108.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:39:09,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.42ms. Allocated memory is still 113.2MB. Free memory was 73.0MB in the beginning and 80.0MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.12ms. Allocated memory is still 113.2MB. Free memory was 80.0MB in the beginning and 77.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.40ms. Allocated memory is still 113.2MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.68ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 62.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2176.40ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 62.1MB in the beginning and 112.5MB in the end (delta: -50.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Witness Printer took 62.98ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 108.4MB in the end (delta: 4.2MB). 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: 678]: 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, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 224 mSDsluCounter, 616 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 357 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 259 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 134 PreInvPairs, 170 NumberOfFragments, 126 HoareAnnotationTreeSize, 134 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 458 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 725]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 18:39:09,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70350b6-ddb6-48c7-9c16-929126f65785/bin/uautomizer-TMbwUNV5ro/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