./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:47:56,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:47:56,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:47:56,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:47:56,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:47:56,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:47:56,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:47:56,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:47:56,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:47:56,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:47:56,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:47:56,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:47:56,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:47:56,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:47:56,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:47:56,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:47:56,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:47:56,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:47:56,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:47:56,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:47:56,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:47:56,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:47:56,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:47:56,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:47:56,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:47:56,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:47:56,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:47:56,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:47:56,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:47:56,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:47:56,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:47:56,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:47:56,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:47:56,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:47:56,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:47:56,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:47:56,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:47:56,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:47:56,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:47:56,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:47:56,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:47:56,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:47:56,990 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:47:56,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:47:56,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:47:56,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:47:56,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:47:56,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:47:56,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:47:56,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:47:56,995 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:47:56,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:47:56,996 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:47:56,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:47:56,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:47:56,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:47:56,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:47:56,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:47:56,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:47:56,998 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:47:56,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:47:56,999 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:47:56,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:47:57,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:47:57,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:47:57,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:47:57,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:47:57,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:47:57,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:47:57,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:47:57,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:47:57,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:47:57,003 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:47:57,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:47:57,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:47:57,004 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_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2022-11-16 12:47:57,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:47:57,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:47:57,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:47:57,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:47:57,387 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:47:57,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2022-11-16 12:47:57,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/data/99a3cb8f8/fc111a9d21e74676a1f7595d53b1f601/FLAGb7f7ad70f [2022-11-16 12:47:58,096 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:47:58,100 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2022-11-16 12:47:58,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/data/99a3cb8f8/fc111a9d21e74676a1f7595d53b1f601/FLAGb7f7ad70f [2022-11-16 12:47:58,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/data/99a3cb8f8/fc111a9d21e74676a1f7595d53b1f601 [2022-11-16 12:47:58,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:47:58,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:47:58,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:47:58,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:47:58,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:47:58,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:58,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7663703d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58, skipping insertion in model container [2022-11-16 12:47:58,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:58,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:47:58,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:47:58,878 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2022-11-16 12:47:58,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:47:58,893 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:47:58,974 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2022-11-16 12:47:58,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:47:58,995 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:47:58,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58 WrapperNode [2022-11-16 12:47:58,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:47:58,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:47:58,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:47:58,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:47:59,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,053 INFO L138 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 236 [2022-11-16 12:47:59,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:47:59,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:47:59,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:47:59,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:47:59,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,089 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:47:59,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:47:59,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:47:59,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:47:59,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (1/1) ... [2022-11-16 12:47:59,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:47:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:59,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:47:59,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:47:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:47:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 12:47:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 12:47:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:47:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:47:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:47:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:47:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 12:47:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 12:47:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:47:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:47:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 12:47:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 12:47:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 12:47:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 12:47:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:47:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:47:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:47:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:47:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:47:59,351 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:47:59,354 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:47:59,775 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:47:59,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:47:59,784 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:47:59,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:47:59 BoogieIcfgContainer [2022-11-16 12:47:59,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:47:59,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:47:59,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:47:59,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:47:59,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:47:58" (1/3) ... [2022-11-16 12:47:59,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1466248a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:47:59, skipping insertion in model container [2022-11-16 12:47:59,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:58" (2/3) ... [2022-11-16 12:47:59,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1466248a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:47:59, skipping insertion in model container [2022-11-16 12:47:59,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:47:59" (3/3) ... [2022-11-16 12:47:59,799 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2022-11-16 12:47:59,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:47:59,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:47:59,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:47:59,896 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;@5e6329c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:47:59,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:47:59,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-16 12:47:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 12:47:59,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:59,917 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] [2022-11-16 12:47:59,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:59,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:59,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1836528484, now seen corresponding path program 1 times [2022-11-16 12:47:59,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:59,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962698831] [2022-11-16 12:47:59,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:59,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:48:00,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:48:00,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962698831] [2022-11-16 12:48:00,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962698831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:48:00,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:48:00,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:48:00,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062989233] [2022-11-16 12:48:00,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:48:00,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:48:00,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:48:00,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:48:00,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:48:00,431 INFO L87 Difference]: Start difference. First operand has 91 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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) [2022-11-16 12:48:00,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:00,524 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2022-11-16 12:48:00,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:48:00,527 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 [2022-11-16 12:48:00,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:00,552 INFO L225 Difference]: With dead ends: 174 [2022-11-16 12:48:00,554 INFO L226 Difference]: Without dead ends: 82 [2022-11-16 12:48:00,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:48:00,565 INFO L413 NwaCegarLoop]: 115 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, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:00,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:48:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-16 12:48:00,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-16 12:48:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.305084745762712) internal successors, (77), 67 states have internal predecessors, (77), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 12:48:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-11-16 12:48:00,655 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 23 [2022-11-16 12:48:00,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:00,657 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-11-16 12:48:00,658 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) [2022-11-16 12:48:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-11-16 12:48:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 12:48:00,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:48:00,665 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] [2022-11-16 12:48:00,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:48:00,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:48:00,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:48:00,669 INFO L85 PathProgramCache]: Analyzing trace with hash -639075496, now seen corresponding path program 1 times [2022-11-16 12:48:00,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:48:00,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191764132] [2022-11-16 12:48:00,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:00,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:48:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:48:00,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:48:00,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191764132] [2022-11-16 12:48:00,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191764132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:48:00,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:48:00,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:48:00,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589821668] [2022-11-16 12:48:00,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:48:00,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:48:00,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:48:00,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:48:00,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:48:00,940 INFO L87 Difference]: Start difference. First operand 82 states and 106 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) [2022-11-16 12:48:00,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:00,985 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2022-11-16 12:48:00,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:48:00,990 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 [2022-11-16 12:48:00,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:00,994 INFO L225 Difference]: With dead ends: 126 [2022-11-16 12:48:00,994 INFO L226 Difference]: Without dead ends: 73 [2022-11-16 12:48:00,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:48:01,002 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 16 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:01,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:48:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-16 12:48:01,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-16 12:48:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.320754716981132) internal successors, (70), 61 states have internal predecessors, (70), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 12:48:01,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2022-11-16 12:48:01,027 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 24 [2022-11-16 12:48:01,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:01,029 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2022-11-16 12:48:01,030 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) [2022-11-16 12:48:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-11-16 12:48:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 12:48:01,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:48:01,036 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] [2022-11-16 12:48:01,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:48:01,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:48:01,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:48:01,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1922236756, now seen corresponding path program 1 times [2022-11-16 12:48:01,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:48:01,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492492862] [2022-11-16 12:48:01,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:01,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:48:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:48:01,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:48:01,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492492862] [2022-11-16 12:48:01,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492492862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:48:01,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:48:01,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:48:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729782401] [2022-11-16 12:48:01,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:48:01,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:48:01,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:48:01,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:48:01,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:48:01,351 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:48:01,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:01,671 INFO L93 Difference]: Finished difference Result 246 states and 323 transitions. [2022-11-16 12:48:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:48:01,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2022-11-16 12:48:01,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:01,674 INFO L225 Difference]: With dead ends: 246 [2022-11-16 12:48:01,675 INFO L226 Difference]: Without dead ends: 180 [2022-11-16 12:48:01,675 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 [2022-11-16 12:48:01,677 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 248 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:01,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 412 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:48:01,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-16 12:48:01,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2022-11-16 12:48:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.352) internal successors, (169), 143 states have internal predecessors, (169), 29 states have call successors, (29), 19 states have call predecessors, (29), 19 states have return successors, (30), 19 states have call predecessors, (30), 29 states have call successors, (30) [2022-11-16 12:48:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 228 transitions. [2022-11-16 12:48:01,711 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 228 transitions. Word has length 28 [2022-11-16 12:48:01,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:01,711 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 228 transitions. [2022-11-16 12:48:01,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:48:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 228 transitions. [2022-11-16 12:48:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 12:48:01,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:48:01,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:48:01,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:48:01,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:48:01,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:48:01,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1773208458, now seen corresponding path program 1 times [2022-11-16 12:48:01,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:48:01,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917821943] [2022-11-16 12:48:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:01,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:48:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:48:01,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:48:01,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917821943] [2022-11-16 12:48:01,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917821943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:48:01,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:48:01,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:48:01,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091959522] [2022-11-16 12:48:01,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:48:01,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:48:01,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:48:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:48:01,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:48:01,955 INFO L87 Difference]: Start difference. First operand 174 states and 228 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:48:02,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:02,158 INFO L93 Difference]: Finished difference Result 509 states and 680 transitions. [2022-11-16 12:48:02,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:48:02,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-16 12:48:02,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:02,174 INFO L225 Difference]: With dead ends: 509 [2022-11-16 12:48:02,175 INFO L226 Difference]: Without dead ends: 342 [2022-11-16 12:48:02,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:48:02,182 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 66 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:02,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 461 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:48:02,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-11-16 12:48:02,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2022-11-16 12:48:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 236 states have (on average 1.3347457627118644) internal successors, (315), 271 states have internal predecessors, (315), 58 states have call successors, (58), 38 states have call predecessors, (58), 38 states have return successors, (63), 38 states have call predecessors, (63), 58 states have call successors, (63) [2022-11-16 12:48:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 436 transitions. [2022-11-16 12:48:02,265 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 436 transitions. Word has length 32 [2022-11-16 12:48:02,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:02,266 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 436 transitions. [2022-11-16 12:48:02,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:48:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 436 transitions. [2022-11-16 12:48:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 12:48:02,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:48:02,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:48:02,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:48:02,270 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:48:02,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:48:02,270 INFO L85 PathProgramCache]: Analyzing trace with hash -491579890, now seen corresponding path program 1 times [2022-11-16 12:48:02,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:48:02,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249683126] [2022-11-16 12:48:02,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:02,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:48:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:48:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:48:02,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:48:02,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249683126] [2022-11-16 12:48:02,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249683126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:48:02,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:48:02,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:48:02,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192694023] [2022-11-16 12:48:02,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:48:02,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:48:02,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:48:02,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:48:02,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:48:02,477 INFO L87 Difference]: Start difference. First operand 333 states and 436 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:48:02,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:02,666 INFO L93 Difference]: Finished difference Result 578 states and 760 transitions. [2022-11-16 12:48:02,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:48:02,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-16 12:48:02,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:02,667 INFO L225 Difference]: With dead ends: 578 [2022-11-16 12:48:02,668 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:48:02,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:48:02,671 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 56 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:02,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 107 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:48:02,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:48:02,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:48:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:48:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:48:02,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-16 12:48:02,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:02,673 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:48:02,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:48:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:48:02,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:48:02,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:48:02,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:48:02,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:48:03,651 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 681 688) the Hoare annotation is: true [2022-11-16 12:48:03,651 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 681 688) no Hoare annotation was computed. [2022-11-16 12:48:03,651 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 681 688) no Hoare annotation was computed. [2022-11-16 12:48:03,651 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 614 620) no Hoare annotation was computed. [2022-11-16 12:48:03,652 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 614 620) the Hoare annotation is: true [2022-11-16 12:48:03,652 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 12:48:03,652 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2022-11-16 12:48:03,652 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2022-11-16 12:48:03,652 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 846 875) no Hoare annotation was computed. [2022-11-16 12:48:03,653 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 846 875) the Hoare annotation is: true [2022-11-16 12:48:03,653 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 864) no Hoare annotation was computed. [2022-11-16 12:48:03,653 INFO L902 garLoopResultBuilder]: At program point L860-1(lines 860 864) the Hoare annotation is: true [2022-11-16 12:48:03,653 INFO L899 garLoopResultBuilder]: For program point L857(line 857) no Hoare annotation was computed. [2022-11-16 12:48:03,653 INFO L902 garLoopResultBuilder]: At program point L856-2(lines 856 870) the Hoare annotation is: true [2022-11-16 12:48:03,653 INFO L902 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: true [2022-11-16 12:48:03,654 INFO L899 garLoopResultBuilder]: For program point L852-1(line 852) no Hoare annotation was computed. [2022-11-16 12:48:03,655 INFO L902 garLoopResultBuilder]: At program point L871(lines 846 875) the Hoare annotation is: true [2022-11-16 12:48:03,655 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2022-11-16 12:48:03,655 INFO L895 garLoopResultBuilder]: At program point L667(line 667) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 12:48:03,655 INFO L895 garLoopResultBuilder]: At program point L667-1(lines 648 672) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 12:48:03,655 INFO L895 garLoopResultBuilder]: At program point L696(lines 689 699) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:48:03,656 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2022-11-16 12:48:03,656 INFO L895 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:48:03,656 INFO L899 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2022-11-16 12:48:03,657 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 590 613) no Hoare annotation was computed. [2022-11-16 12:48:03,657 INFO L895 garLoopResultBuilder]: At program point L705(lines 700 708) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-11-16 12:48:03,657 INFO L899 garLoopResultBuilder]: For program point L594-1(lines 593 612) no Hoare annotation was computed. [2022-11-16 12:48:03,657 INFO L899 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2022-11-16 12:48:03,658 INFO L899 garLoopResultBuilder]: For program point L656(lines 656 664) no Hoare annotation was computed. [2022-11-16 12:48:03,658 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2022-11-16 12:48:03,658 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 669) no Hoare annotation was computed. [2022-11-16 12:48:03,659 INFO L895 garLoopResultBuilder]: At program point L429-2(lines 425 436) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:48:03,659 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 799) no Hoare annotation was computed. [2022-11-16 12:48:03,659 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:48:03,659 INFO L899 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2022-11-16 12:48:03,659 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 802) no Hoare annotation was computed. [2022-11-16 12:48:03,660 INFO L895 garLoopResultBuilder]: At program point L789-1(lines 781 805) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0)))) [2022-11-16 12:48:03,660 INFO L895 garLoopResultBuilder]: At program point L946(lines 941 948) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:48:03,660 INFO L895 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:48:03,660 INFO L895 garLoopResultBuilder]: At program point L658(line 658) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:48:03,662 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 590 613) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:48:03,662 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 590 613) no Hoare annotation was computed. [2022-11-16 12:48:03,662 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 945) no Hoare annotation was computed. [2022-11-16 12:48:03,664 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2022-11-16 12:48:03,665 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2022-11-16 12:48:03,666 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2022-11-16 12:48:03,667 INFO L895 garLoopResultBuilder]: At program point L832(lines 828 834) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:48:03,667 INFO L902 garLoopResultBuilder]: At program point L576(lines 515 580) the Hoare annotation is: true [2022-11-16 12:48:03,667 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 934) no Hoare annotation was computed. [2022-11-16 12:48:03,667 INFO L899 garLoopResultBuilder]: For program point L927-2(lines 927 934) no Hoare annotation was computed. [2022-11-16 12:48:03,667 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 541) no Hoare annotation was computed. [2022-11-16 12:48:03,668 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2022-11-16 12:48:03,668 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 531) no Hoare annotation was computed. [2022-11-16 12:48:03,668 INFO L902 garLoopResultBuilder]: At program point L936(lines 917 939) the Hoare annotation is: true [2022-11-16 12:48:03,668 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:48:03,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:48:03,668 INFO L895 garLoopResultBuilder]: At program point L573(lines 524 574) the Hoare annotation is: false [2022-11-16 12:48:03,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:48:03,669 INFO L895 garLoopResultBuilder]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:48:03,669 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2022-11-16 12:48:03,669 INFO L895 garLoopResultBuilder]: At program point L561-2(lines 555 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:48:03,669 INFO L895 garLoopResultBuilder]: At program point L904(lines 900 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)) [2022-11-16 12:48:03,670 INFO L895 garLoopResultBuilder]: At program point L776(lines 764 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:48:03,670 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2022-11-16 12:48:03,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:48:03,670 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2022-11-16 12:48:03,670 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 774) no Hoare annotation was computed. [2022-11-16 12:48:03,670 INFO L899 garLoopResultBuilder]: For program point L768-1(lines 768 774) no Hoare annotation was computed. [2022-11-16 12:48:03,671 INFO L895 garLoopResultBuilder]: At program point L570(lines 525 572) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:48:03,671 INFO L895 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:48:03,671 INFO L902 garLoopResultBuilder]: At program point L914(lines 907 916) the Hoare annotation is: true [2022-11-16 12:48:03,671 INFO L899 garLoopResultBuilder]: For program point L526(lines 525 572) no Hoare annotation was computed. [2022-11-16 12:48:03,671 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 568) no Hoare annotation was computed. [2022-11-16 12:48:03,672 INFO L895 garLoopResultBuilder]: At program point L840(lines 835 843) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:48:03,672 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:48:03,672 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: false [2022-11-16 12:48:03,672 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2022-11-16 12:48:03,672 INFO L899 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2022-11-16 12:48:03,672 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: true [2022-11-16 12:48:03,673 INFO L895 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:48:03,673 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 622 646) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-16 12:48:03,673 INFO L895 garLoopResultBuilder]: At program point L760(lines 745 763) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:48:03,673 INFO L895 garLoopResultBuilder]: At program point L632(line 632) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:48:03,673 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 638) no Hoare annotation was computed. [2022-11-16 12:48:03,673 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 643) no Hoare annotation was computed. [2022-11-16 12:48:03,674 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2022-11-16 12:48:03,674 INFO L899 garLoopResultBuilder]: For program point L754-2(lines 754 758) no Hoare annotation was computed. [2022-11-16 12:48:03,674 INFO L895 garLoopResultBuilder]: At program point L641(line 641) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-16 12:48:03,674 INFO L899 garLoopResultBuilder]: For program point L641-1(lines 622 646) no Hoare annotation was computed. [2022-11-16 12:48:03,674 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 622 646) no Hoare annotation was computed. [2022-11-16 12:48:03,674 INFO L895 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:48:03,682 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:48:03,685 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:48:03,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:48:03 BoogieIcfgContainer [2022-11-16 12:48:03,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:48:03,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:48:03,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:48:03,709 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:48:03,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:47:59" (3/4) ... [2022-11-16 12:48:03,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:48:03,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 12:48:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 12:48:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:48:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:48:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:48:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 12:48:03,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:48:03,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 12:48:03,732 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-16 12:48:03,732 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:48:03,733 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:48:03,733 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:48:03,734 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:48:03,734 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:48:03,735 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:48:03,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:48:03,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-16 12:48:03,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:48:03,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-16 12:48:03,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2022-11-16 12:48:03,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:48:03,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-11-16 12:48:03,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-16 12:48:03,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:48:03,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-16 12:48:03,802 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:48:03,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:48:03,803 INFO L158 Benchmark]: Toolchain (without parser) took 5453.28ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 67.0MB in the beginning and 96.6MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:48:03,804 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:48:03,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.77ms. Allocated memory is still 111.1MB. Free memory was 66.8MB in the beginning and 78.5MB in the end (delta: -11.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-11-16 12:48:03,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.28ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:48:03,805 INFO L158 Benchmark]: Boogie Preprocessor took 39.73ms. Allocated memory is still 111.1MB. Free memory was 76.0MB in the beginning and 74.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:48:03,805 INFO L158 Benchmark]: RCFGBuilder took 692.76ms. Allocated memory is still 111.1MB. Free memory was 74.1MB in the beginning and 55.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:48:03,806 INFO L158 Benchmark]: TraceAbstraction took 3918.39ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 55.0MB in the beginning and 101.8MB in the end (delta: -46.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-16 12:48:03,806 INFO L158 Benchmark]: Witness Printer took 93.94ms. Allocated memory is still 134.2MB. Free memory was 101.8MB in the beginning and 96.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:48:03,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.77ms. Allocated memory is still 111.1MB. Free memory was 66.8MB in the beginning and 78.5MB in the end (delta: -11.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.28ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.73ms. Allocated memory is still 111.1MB. Free memory was 76.0MB in the beginning and 74.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 692.76ms. Allocated memory is still 111.1MB. Free memory was 74.1MB in the beginning and 55.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3918.39ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 55.0MB in the beginning and 101.8MB in the end (delta: -46.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 93.94ms. Allocated memory is still 134.2MB. Free memory was 101.8MB in the beginning and 96.6MB in the end (delta: 5.2MB). 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: 945]: 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 9 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 394 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 386 mSDsluCounter, 1260 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 803 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 457 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 520 PreInvPairs, 586 NumberOfFragments, 269 HoareAnnotationTreeSize, 520 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 1908 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 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: 828]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) RESULT: Ultimate proved your program to be correct! [2022-11-16 12:48:03,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a0846e-7de7-4c86-8e28-298972080248/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE