./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.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_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/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_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/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_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/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 aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 --- 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 10:56:47,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:56:47,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:56:47,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:56:47,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:56:47,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:56:47,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:56:47,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:56:47,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:56:47,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:56:47,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:56:47,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:56:47,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:56:47,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:56:47,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:56:47,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:56:47,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:56:47,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:56:47,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:56:47,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:56:47,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:56:47,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:56:47,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:56:47,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:56:47,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:56:47,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:56:47,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:56:47,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:56:47,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:56:47,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:56:47,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:56:47,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:56:47,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:56:47,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:56:47,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:56:47,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:56:47,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:56:47,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:56:47,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:56:47,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:56:47,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:56:47,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 10:56:47,136 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:56:47,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:56:47,137 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:56:47,137 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:56:47,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:56:47,138 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:56:47,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:56:47,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:56:47,139 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:56:47,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:56:47,139 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:56:47,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:56:47,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:56:47,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:56:47,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:56:47,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:56:47,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:56:47,140 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:56:47,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:56:47,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:56:47,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:56:47,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:56:47,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:56:47,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:56:47,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:56:47,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:56:47,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:56:47,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:56:47,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:56:47,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 10:56:47,143 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:56:47,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:56:47,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:56:47,143 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_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 [2022-11-16 10:56:47,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:56:47,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:56:47,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:56:47,503 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:56:47,504 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:56:47,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2022-11-16 10:56:47,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/data/ac4495e58/0114752b79f6448aa95ccf03e0f82ccb/FLAG567df5b24 [2022-11-16 10:56:48,209 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:56:48,209 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2022-11-16 10:56:48,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/data/ac4495e58/0114752b79f6448aa95ccf03e0f82ccb/FLAG567df5b24 [2022-11-16 10:56:48,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/data/ac4495e58/0114752b79f6448aa95ccf03e0f82ccb [2022-11-16 10:56:48,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:56:48,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:56:48,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:56:48,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:56:48,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:56:48,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:56:48" (1/1) ... [2022-11-16 10:56:48,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3a9ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:48, skipping insertion in model container [2022-11-16 10:56:48,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:56:48" (1/1) ... [2022-11-16 10:56:48,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:56:48,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:56:48,786 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_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2022-11-16 10:56:48,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:56:48,925 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:56:48,964 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_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2022-11-16 10:56:49,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:56:49,080 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:56:49,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49 WrapperNode [2022-11-16 10:56:49,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:56:49,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:56:49,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:56:49,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:56:49,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,141 INFO L138 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 285 [2022-11-16 10:56:49,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:56:49,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:56:49,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:56:49,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:56:49,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:56:49,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:56:49,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:56:49,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:56:49,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (1/1) ... [2022-11-16 10:56:49,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:56:49,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:56:49,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 10:56:49,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 10:56:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 10:56:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 10:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 10:56:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 10:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 10:56:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 10:56:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:56:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:56:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 10:56:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 10:56:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-16 10:56:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-16 10:56:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:56:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 10:56:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 10:56:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:56:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:56:49,364 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:56:49,366 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:56:49,763 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:56:49,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:56:49,781 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 10:56:49,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:49 BoogieIcfgContainer [2022-11-16 10:56:49,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:56:49,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 10:56:49,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 10:56:49,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 10:56:49,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:56:48" (1/3) ... [2022-11-16 10:56:49,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cab5ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:56:49, skipping insertion in model container [2022-11-16 10:56:49,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:49" (2/3) ... [2022-11-16 10:56:49,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cab5ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:56:49, skipping insertion in model container [2022-11-16 10:56:49,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:49" (3/3) ... [2022-11-16 10:56:49,799 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2022-11-16 10:56:49,818 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 10:56:49,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 10:56:49,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 10:56:49,902 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;@1970ff6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 10:56:49,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 10:56:49,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 83 states have internal predecessors, (103), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 10:56:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 10:56:49,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:49,919 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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 10:56:49,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:49,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:49,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1773170943, now seen corresponding path program 1 times [2022-11-16 10:56:49,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:49,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108683970] [2022-11-16 10:56:49,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:49,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:56:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:56:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:50,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:50,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108683970] [2022-11-16 10:56:50,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108683970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:50,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:50,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:56:50,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780707797] [2022-11-16 10:56:50,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:50,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 10:56:50,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:50,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 10:56:50,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 10:56:50,330 INFO L87 Difference]: Start difference. First operand has 96 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 83 states have internal predecessors, (103), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:50,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:50,379 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2022-11-16 10:56:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 10:56:50,384 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 10:56:50,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:50,400 INFO L225 Difference]: With dead ends: 183 [2022-11-16 10:56:50,400 INFO L226 Difference]: Without dead ends: 87 [2022-11-16 10:56:50,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 10:56:50,410 INFO L413 NwaCegarLoop]: 121 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, 121 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 10:56:50,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:56:50,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-16 10:56:50,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-11-16 10:56:50,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 75 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 10:56:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-11-16 10:56:50,452 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2022-11-16 10:56:50,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:50,452 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-11-16 10:56:50,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2022-11-16 10:56:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 10:56:50,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:50,456 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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 10:56:50,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 10:56:50,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:50,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:50,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1531656934, now seen corresponding path program 1 times [2022-11-16 10:56:50,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:50,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486694101] [2022-11-16 10:56:50,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:50,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 10:56:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 10:56:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:50,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:50,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486694101] [2022-11-16 10:56:50,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486694101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:50,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:50,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:56:50,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463238068] [2022-11-16 10:56:50,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:50,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:56:50,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:50,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:56:50,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:56:50,679 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:50,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:50,711 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2022-11-16 10:56:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:56:50,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 10:56:50,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:50,713 INFO L225 Difference]: With dead ends: 139 [2022-11-16 10:56:50,714 INFO L226 Difference]: Without dead ends: 78 [2022-11-16 10:56:50,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 10:56:50,716 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 12 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 182 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 10:56:50,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:56:50,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-16 10:56:50,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-16 10:56:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-16 10:56:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-11-16 10:56:50,728 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 33 [2022-11-16 10:56:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:50,728 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-11-16 10:56:50,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-11-16 10:56:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 10:56:50,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:50,730 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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 10:56:50,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 10:56:50,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:50,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:50,732 INFO L85 PathProgramCache]: Analyzing trace with hash 840710854, now seen corresponding path program 1 times [2022-11-16 10:56:50,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:50,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078737850] [2022-11-16 10:56:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:56:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 10:56:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:50,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:50,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078737850] [2022-11-16 10:56:50,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078737850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:50,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:50,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:56:50,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772004615] [2022-11-16 10:56:50,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:50,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:56:50,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:50,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:56:50,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:56:50,990 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 10:56:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:51,130 INFO L93 Difference]: Finished difference Result 148 states and 193 transitions. [2022-11-16 10:56:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:51,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-16 10:56:51,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:51,132 INFO L225 Difference]: With dead ends: 148 [2022-11-16 10:56:51,132 INFO L226 Difference]: Without dead ends: 78 [2022-11-16 10:56:51,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 10:56:51,134 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 191 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:51,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 215 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:56:51,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-16 10:56:51,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-16 10:56:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 69 states have internal predecessors, (81), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-16 10:56:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-11-16 10:56:51,147 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 37 [2022-11-16 10:56:51,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:51,149 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-11-16 10:56:51,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 10:56:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-11-16 10:56:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 10:56:51,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:51,154 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:51,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 10:56:51,155 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:51,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:51,156 INFO L85 PathProgramCache]: Analyzing trace with hash 244336530, now seen corresponding path program 1 times [2022-11-16 10:56:51,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:51,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618278129] [2022-11-16 10:56:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:51,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:56:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-16 10:56:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:51,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:51,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:51,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618278129] [2022-11-16 10:56:51,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618278129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:51,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:51,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:56:51,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740071667] [2022-11-16 10:56:51,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:51,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:56:51,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:51,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:56:51,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:56:51,305 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 10:56:51,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:51,344 INFO L93 Difference]: Finished difference Result 196 states and 255 transitions. [2022-11-16 10:56:51,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:56:51,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-16 10:56:51,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:51,346 INFO L225 Difference]: With dead ends: 196 [2022-11-16 10:56:51,346 INFO L226 Difference]: Without dead ends: 126 [2022-11-16 10:56:51,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 10:56:51,348 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 59 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:51,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 174 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:56:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-16 10:56:51,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2022-11-16 10:56:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 97 states have (on average 1.288659793814433) internal successors, (125), 105 states have internal predecessors, (125), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2022-11-16 10:56:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 157 transitions. [2022-11-16 10:56:51,374 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 157 transitions. Word has length 45 [2022-11-16 10:56:51,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:51,375 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 157 transitions. [2022-11-16 10:56:51,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 10:56:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2022-11-16 10:56:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-16 10:56:51,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:51,377 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:51,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 10:56:51,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:51,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:51,378 INFO L85 PathProgramCache]: Analyzing trace with hash 816783697, now seen corresponding path program 1 times [2022-11-16 10:56:51,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:51,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254342683] [2022-11-16 10:56:51,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:51,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:51,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:56:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 10:56:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 10:56:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:51,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 10:56:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 10:56:51,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:51,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254342683] [2022-11-16 10:56:51,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254342683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:51,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:51,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 10:56:51,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229787498] [2022-11-16 10:56:51,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:51,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 10:56:51,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:51,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 10:56:51,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:56:51,634 INFO L87 Difference]: Start difference. First operand 124 states and 157 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-16 10:56:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:51,940 INFO L93 Difference]: Finished difference Result 276 states and 351 transitions. [2022-11-16 10:56:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 10:56:51,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2022-11-16 10:56:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:51,942 INFO L225 Difference]: With dead ends: 276 [2022-11-16 10:56:51,942 INFO L226 Difference]: Without dead ends: 160 [2022-11-16 10:56:51,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 10:56:51,945 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 122 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:51,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 451 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:56:51,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-16 10:56:51,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 146. [2022-11-16 10:56:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 114 states have (on average 1.263157894736842) internal successors, (144), 122 states have internal predecessors, (144), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2022-11-16 10:56:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 183 transitions. [2022-11-16 10:56:51,965 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 183 transitions. Word has length 53 [2022-11-16 10:56:51,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:51,965 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 183 transitions. [2022-11-16 10:56:51,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-16 10:56:51,965 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 183 transitions. [2022-11-16 10:56:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 10:56:51,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:51,967 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:51,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 10:56:51,967 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:51,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:51,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1305099847, now seen corresponding path program 1 times [2022-11-16 10:56:51,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:51,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486360762] [2022-11-16 10:56:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:51,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:56:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 10:56:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 10:56:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:52,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:52,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486360762] [2022-11-16 10:56:52,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486360762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:52,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:52,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:56:52,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087152368] [2022-11-16 10:56:52,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:52,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:56:52,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:52,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:56:52,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:56:52,097 INFO L87 Difference]: Start difference. First operand 146 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:52,335 INFO L93 Difference]: Finished difference Result 294 states and 379 transitions. [2022-11-16 10:56:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 10:56:52,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-11-16 10:56:52,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:52,343 INFO L225 Difference]: With dead ends: 294 [2022-11-16 10:56:52,344 INFO L226 Difference]: Without dead ends: 156 [2022-11-16 10:56:52,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:56:52,355 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 71 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:52,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 355 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:56:52,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-16 10:56:52,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 149. [2022-11-16 10:56:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 117 states have (on average 1.2564102564102564) internal successors, (147), 125 states have internal predecessors, (147), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2022-11-16 10:56:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 186 transitions. [2022-11-16 10:56:52,400 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 186 transitions. Word has length 55 [2022-11-16 10:56:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:52,403 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 186 transitions. [2022-11-16 10:56:52,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2022-11-16 10:56:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 10:56:52,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:52,412 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:52,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 10:56:52,412 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:52,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:52,413 INFO L85 PathProgramCache]: Analyzing trace with hash -500338487, now seen corresponding path program 1 times [2022-11-16 10:56:52,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:52,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452286836] [2022-11-16 10:56:52,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:52,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:56:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 10:56:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 10:56:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:52,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:52,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452286836] [2022-11-16 10:56:52,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452286836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:52,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:52,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:56:52,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997902366] [2022-11-16 10:56:52,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:52,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:56:52,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:52,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:56:52,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:52,554 INFO L87 Difference]: Start difference. First operand 149 states and 186 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:52,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:52,697 INFO L93 Difference]: Finished difference Result 300 states and 384 transitions. [2022-11-16 10:56:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:52,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-11-16 10:56:52,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:52,700 INFO L225 Difference]: With dead ends: 300 [2022-11-16 10:56:52,700 INFO L226 Difference]: Without dead ends: 159 [2022-11-16 10:56:52,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:56:52,702 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 73 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:52,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 278 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:56:52,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-16 10:56:52,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 151. [2022-11-16 10:56:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 127 states have internal predecessors, (149), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2022-11-16 10:56:52,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2022-11-16 10:56:52,722 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 55 [2022-11-16 10:56:52,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:52,722 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2022-11-16 10:56:52,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2022-11-16 10:56:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 10:56:52,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:52,724 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:52,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 10:56:52,724 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:52,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:52,725 INFO L85 PathProgramCache]: Analyzing trace with hash -359789877, now seen corresponding path program 1 times [2022-11-16 10:56:52,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:52,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393241174] [2022-11-16 10:56:52,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:52,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:56:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 10:56:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 10:56:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:52,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:52,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393241174] [2022-11-16 10:56:52,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393241174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:52,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:52,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:56:52,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293187113] [2022-11-16 10:56:52,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:52,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:56:52,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:52,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:56:52,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:52,869 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:53,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:53,132 INFO L93 Difference]: Finished difference Result 423 states and 549 transitions. [2022-11-16 10:56:53,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 10:56:53,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-11-16 10:56:53,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:53,137 INFO L225 Difference]: With dead ends: 423 [2022-11-16 10:56:53,138 INFO L226 Difference]: Without dead ends: 280 [2022-11-16 10:56:53,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:56:53,139 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 214 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:53,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 297 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:56:53,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-11-16 10:56:53,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 278. [2022-11-16 10:56:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 214 states have (on average 1.2242990654205608) internal successors, (262), 226 states have internal predecessors, (262), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2022-11-16 10:56:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 349 transitions. [2022-11-16 10:56:53,190 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 349 transitions. Word has length 55 [2022-11-16 10:56:53,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:53,190 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 349 transitions. [2022-11-16 10:56:53,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 349 transitions. [2022-11-16 10:56:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-16 10:56:53,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:53,192 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:53,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 10:56:53,192 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:53,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:53,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1504091825, now seen corresponding path program 1 times [2022-11-16 10:56:53,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:53,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135116120] [2022-11-16 10:56:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:53,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:56:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 10:56:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 10:56:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 10:56:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:53,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135116120] [2022-11-16 10:56:53,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135116120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:53,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:53,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 10:56:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409969579] [2022-11-16 10:56:53,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:53,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 10:56:53,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:53,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 10:56:53,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:56:53,511 INFO L87 Difference]: Start difference. First operand 278 states and 349 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 10:56:54,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:54,410 INFO L93 Difference]: Finished difference Result 757 states and 998 transitions. [2022-11-16 10:56:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-16 10:56:54,411 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2022-11-16 10:56:54,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:54,417 INFO L225 Difference]: With dead ends: 757 [2022-11-16 10:56:54,417 INFO L226 Difference]: Without dead ends: 537 [2022-11-16 10:56:54,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=250, Invalid=806, Unknown=0, NotChecked=0, Total=1056 [2022-11-16 10:56:54,422 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 675 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:54,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 534 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 10:56:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-11-16 10:56:54,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 433. [2022-11-16 10:56:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 335 states have (on average 1.2119402985074628) internal successors, (406), 356 states have internal predecessors, (406), 51 states have call successors, (51), 39 states have call predecessors, (51), 46 states have return successors, (83), 52 states have call predecessors, (83), 51 states have call successors, (83) [2022-11-16 10:56:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 540 transitions. [2022-11-16 10:56:54,488 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 540 transitions. Word has length 59 [2022-11-16 10:56:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:54,488 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 540 transitions. [2022-11-16 10:56:54,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 10:56:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 540 transitions. [2022-11-16 10:56:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-16 10:56:54,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:54,491 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:54,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 10:56:54,492 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:54,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:54,492 INFO L85 PathProgramCache]: Analyzing trace with hash -808581914, now seen corresponding path program 1 times [2022-11-16 10:56:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:54,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526108603] [2022-11-16 10:56:54,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:54,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:56:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 10:56:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:56:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 10:56:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 10:56:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 10:56:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:56:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 10:56:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 10:56:54,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:54,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526108603] [2022-11-16 10:56:54,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526108603] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:56:54,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661256740] [2022-11-16 10:56:54,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:54,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:56:54,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:56:54,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:56:54,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 10:56:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:55,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 10:56:55,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:56:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:56:55,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 10:56:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 10:56:55,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661256740] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 10:56:55,471 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 10:56:55,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-11-16 10:56:55,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720525198] [2022-11-16 10:56:55,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 10:56:55,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 10:56:55,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:55,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 10:56:55,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-16 10:56:55,473 INFO L87 Difference]: Start difference. First operand 433 states and 540 transitions. Second operand has 16 states, 16 states have (on average 7.75) internal successors, (124), 11 states have internal predecessors, (124), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-16 10:56:56,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:56,839 INFO L93 Difference]: Finished difference Result 907 states and 1158 transitions. [2022-11-16 10:56:56,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-16 10:56:56,840 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.75) internal successors, (124), 11 states have internal predecessors, (124), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 100 [2022-11-16 10:56:56,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:56,841 INFO L225 Difference]: With dead ends: 907 [2022-11-16 10:56:56,842 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 10:56:56,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 221 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=287, Invalid=1353, Unknown=0, NotChecked=0, Total=1640 [2022-11-16 10:56:56,846 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 410 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:56,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1490 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 10:56:56,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 10:56:56,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 10:56:56,849 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 10:56:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 10:56:56,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2022-11-16 10:56:56,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:56,850 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:56:56,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.75) internal successors, (124), 11 states have internal predecessors, (124), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-16 10:56:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 10:56:56,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 10:56:56,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 10:56:56,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 10:56:57,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 10:56:57,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 10:57:01,833 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 822 828) no Hoare annotation was computed. [2022-11-16 10:57:01,834 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 822 828) the Hoare annotation is: true [2022-11-16 10:57:01,834 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 232 243) the Hoare annotation is: true [2022-11-16 10:57:01,834 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 232 243) no Hoare annotation was computed. [2022-11-16 10:57:01,835 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 232 243) no Hoare annotation was computed. [2022-11-16 10:57:01,839 INFO L895 garLoopResultBuilder]: At program point L692(lines 685 694) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 10:57:01,840 INFO L895 garLoopResultBuilder]: At program point L304(lines 299 307) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:57:01,841 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 795 821) no Hoare annotation was computed. [2022-11-16 10:57:01,841 INFO L895 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:57:01,844 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (or .cse8 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse5) (or .cse8 .cse0 .cse5 .cse6) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse9 .cse4) .cse5 (and .cse2 .cse9 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 10:57:01,845 INFO L899 garLoopResultBuilder]: For program point L705-1(line 705) no Hoare annotation was computed. [2022-11-16 10:57:01,845 INFO L895 garLoopResultBuilder]: At program point L912(lines 907 914) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse4 (not (<= 2 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4))) [2022-11-16 10:57:01,846 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 10:57:01,847 INFO L895 garLoopResultBuilder]: At program point L875-1(lines 856 880) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (not (<= 2 |old(~waterLevel~0)|)) (and .cse6 .cse3 .cse4))) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse6 .cse7) .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse7) .cse5)) (let ((.cse8 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse6 .cse8 .cse4) .cse5 (and .cse2 .cse8 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 10:57:01,847 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2022-11-16 10:57:01,847 INFO L899 garLoopResultBuilder]: For program point L999(lines 999 1003) no Hoare annotation was computed. [2022-11-16 10:57:01,847 INFO L899 garLoopResultBuilder]: For program point L999-2(lines 999 1003) no Hoare annotation was computed. [2022-11-16 10:57:01,848 INFO L895 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse8 (and .cse7 .cse9) .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse9) .cse5)) (or .cse8 .cse0 .cse5 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse6) (let ((.cse10 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse10 .cse4) .cse5 (and .cse2 .cse10 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 10:57:01,848 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-16 10:57:01,848 INFO L895 garLoopResultBuilder]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-11-16 10:57:01,848 INFO L899 garLoopResultBuilder]: For program point L690-1(line 690) no Hoare annotation was computed. [2022-11-16 10:57:01,849 INFO L899 garLoopResultBuilder]: For program point L707(lines 707 717) no Hoare annotation was computed. [2022-11-16 10:57:01,849 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 808) no Hoare annotation was computed. [2022-11-16 10:57:01,849 INFO L899 garLoopResultBuilder]: For program point L802-2(lines 798 820) no Hoare annotation was computed. [2022-11-16 10:57:01,849 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 872) no Hoare annotation was computed. [2022-11-16 10:57:01,849 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 720) no Hoare annotation was computed. [2022-11-16 10:57:01,850 INFO L895 garLoopResultBuilder]: At program point L703-1(lines 695 723) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not .cse6)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) .cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2) .cse4)) (let ((.cse7 (<= ~waterLevel~0 2))) (or .cse3 .cse5 (and .cse1 .cse6 .cse7 .cse8) .cse4 (and .cse9 .cse6 .cse7 .cse8) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse0 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse3 .cse4 .cse10) (let ((.cse11 (= ~waterLevel~0 1))) (or (and .cse1 .cse6 .cse11 .cse8) .cse3 .cse5 (and .cse9 .cse6 .cse11 .cse8) .cse4 .cse10))))) [2022-11-16 10:57:01,850 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 877) no Hoare annotation was computed. [2022-11-16 10:57:01,850 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-11-16 10:57:01,851 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 216) no Hoare annotation was computed. [2022-11-16 10:57:01,852 INFO L895 garLoopResultBuilder]: At program point L212-2(lines 208 219) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:57:01,852 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 795 821) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-11-16 10:57:01,852 INFO L895 garLoopResultBuilder]: At program point L1005(lines 990 1008) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:57:01,852 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 795 821) no Hoare annotation was computed. [2022-11-16 10:57:01,853 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-16 10:57:01,853 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2022-11-16 10:57:01,853 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 99 128) no Hoare annotation was computed. [2022-11-16 10:57:01,853 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 99 128) the Hoare annotation is: true [2022-11-16 10:57:01,854 INFO L902 garLoopResultBuilder]: At program point L124(lines 99 128) the Hoare annotation is: true [2022-11-16 10:57:01,854 INFO L899 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2022-11-16 10:57:01,854 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-11-16 10:57:01,854 INFO L902 garLoopResultBuilder]: At program point L113-1(lines 113 117) the Hoare annotation is: true [2022-11-16 10:57:01,854 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-16 10:57:01,854 INFO L902 garLoopResultBuilder]: At program point L109-2(lines 109 123) the Hoare annotation is: true [2022-11-16 10:57:01,855 INFO L902 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true [2022-11-16 10:57:01,855 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2022-11-16 10:57:01,855 INFO L899 garLoopResultBuilder]: For program point L737(lines 737 741) no Hoare annotation was computed. [2022-11-16 10:57:01,856 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:57:01,857 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2022-11-16 10:57:01,857 INFO L895 garLoopResultBuilder]: At program point L771-2(lines 765 776) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:57:01,857 INFO L895 garLoopResultBuilder]: At program point L160(lines 156 162) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:57:01,857 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 10:57:01,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 10:57:01,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 10:57:01,858 INFO L899 garLoopResultBuilder]: For program point L755(lines 755 761) no Hoare annotation was computed. [2022-11-16 10:57:01,858 INFO L899 garLoopResultBuilder]: For program point L755-1(lines 755 761) no Hoare annotation was computed. [2022-11-16 10:57:01,859 INFO L902 garLoopResultBuilder]: At program point L784(lines 725 788) the Hoare annotation is: true [2022-11-16 10:57:01,859 INFO L902 garLoopResultBuilder]: At program point L173(lines 165 175) the Hoare annotation is: true [2022-11-16 10:57:01,859 INFO L895 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:57:01,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 10:57:01,859 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 193) no Hoare annotation was computed. [2022-11-16 10:57:01,859 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 193) no Hoare annotation was computed. [2022-11-16 10:57:01,860 INFO L895 garLoopResultBuilder]: At program point L781(lines 734 782) the Hoare annotation is: false [2022-11-16 10:57:01,860 INFO L895 garLoopResultBuilder]: At program point L682(lines 677 684) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:57:01,860 INFO L902 garLoopResultBuilder]: At program point L195(lines 176 198) the Hoare annotation is: true [2022-11-16 10:57:01,861 INFO L899 garLoopResultBuilder]: For program point L736(lines 735 780) no Hoare annotation was computed. [2022-11-16 10:57:01,861 INFO L899 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2022-11-16 10:57:01,861 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:57:01,862 INFO L895 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:57:01,862 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:57:01,862 INFO L895 garLoopResultBuilder]: At program point L778(lines 735 780) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:57:01,862 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2022-11-16 10:57:01,862 INFO L899 garLoopResultBuilder]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2022-11-16 10:57:01,865 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-11-16 10:57:01,866 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-11-16 10:57:01,866 INFO L895 garLoopResultBuilder]: At program point L886(lines 881 888) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2022-11-16 10:57:01,866 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-16 10:57:01,866 INFO L899 garLoopResultBuilder]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2022-11-16 10:57:01,867 INFO L895 garLoopResultBuilder]: At program point L294(lines 285 298) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) .cse2 (and .cse1 (<= 2 ~waterLevel~0)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:57:01,867 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2022-11-16 10:57:01,867 INFO L895 garLoopResultBuilder]: At program point L897-2(lines 890 906) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse0 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:57:01,867 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 830 854) no Hoare annotation was computed. [2022-11-16 10:57:01,867 INFO L895 garLoopResultBuilder]: At program point L986(lines 971 989) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and .cse2 (<= 2 ~waterLevel~0)) (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:57:01,868 INFO L895 garLoopResultBuilder]: At program point L922(lines 915 925) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))))) [2022-11-16 10:57:01,868 INFO L895 garLoopResultBuilder]: At program point L249(lines 244 252) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))))) [2022-11-16 10:57:01,868 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 984) no Hoare annotation was computed. [2022-11-16 10:57:01,868 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2022-11-16 10:57:01,868 INFO L895 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:57:01,869 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 846) no Hoare annotation was computed. [2022-11-16 10:57:01,869 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 851) no Hoare annotation was computed. [2022-11-16 10:57:01,869 INFO L899 garLoopResultBuilder]: For program point L224-1(lines 220 231) no Hoare annotation was computed. [2022-11-16 10:57:01,870 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 220 231) no Hoare annotation was computed. [2022-11-16 10:57:01,870 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 220 231) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 .cse3))) [2022-11-16 10:57:01,870 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 926 934) no Hoare annotation was computed. [2022-11-16 10:57:01,870 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 926 934) the Hoare annotation is: true [2022-11-16 10:57:01,870 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 926 934) no Hoare annotation was computed. [2022-11-16 10:57:01,874 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:57:01,876 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 10:57:01,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 10:57:01 BoogieIcfgContainer [2022-11-16 10:57:01,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 10:57:01,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:57:01,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:57:01,941 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:57:01,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:49" (3/4) ... [2022-11-16 10:57:01,945 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 10:57:01,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 10:57:01,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 10:57:01,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 10:57:01,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 10:57:01,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:57:01,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 10:57:01,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-16 10:57:01,970 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-11-16 10:57:01,971 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 10:57:01,971 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 10:57:01,972 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 10:57:01,972 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 10:57:01,973 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 10:57:01,973 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 10:57:02,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 10:57:02,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 10:57:02,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 10:57:02,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2022-11-16 10:57:02,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:57:02,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-11-16 10:57:02,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((pumpRunning == 0 && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (((\result <= 2 && tmp <= 2) && 1 < tmp) && 2 <= \result)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-11-16 10:57:02,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:57:02,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-16 10:57:02,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:57:02,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-11-16 10:57:02,016 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-11-16 10:57:02,016 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-11-16 10:57:02,017 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-11-16 10:57:02,017 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-16 10:57:02,018 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-11-16 10:57:02,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-11-16 10:57:02,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-11-16 10:57:02,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-16 10:57:02,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 10:57:02,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:57:02,074 INFO L158 Benchmark]: Toolchain (without parser) took 13591.27ms. Allocated memory was 136.3MB in the beginning and 218.1MB in the end (delta: 81.8MB). Free memory was 101.3MB in the beginning and 178.3MB in the end (delta: -77.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-11-16 10:57:02,075 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:57:02,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.97ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 103.4MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 10:57:02,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.69ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 100.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:57:02,076 INFO L158 Benchmark]: Boogie Preprocessor took 29.46ms. Allocated memory is still 136.3MB. Free memory was 100.6MB in the beginning and 99.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:57:02,076 INFO L158 Benchmark]: RCFGBuilder took 610.15ms. Allocated memory is still 136.3MB. Free memory was 98.6MB in the beginning and 79.5MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 10:57:02,077 INFO L158 Benchmark]: TraceAbstraction took 12153.86ms. Allocated memory was 136.3MB in the beginning and 218.1MB in the end (delta: 81.8MB). Free memory was 78.3MB in the beginning and 184.6MB in the end (delta: -106.3MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2022-11-16 10:57:02,077 INFO L158 Benchmark]: Witness Printer took 133.33ms. Allocated memory is still 218.1MB. Free memory was 184.6MB in the beginning and 178.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 10:57:02,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.97ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 103.4MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.69ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 100.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.46ms. Allocated memory is still 136.3MB. Free memory was 100.6MB in the beginning and 99.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.15ms. Allocated memory is still 136.3MB. Free memory was 98.6MB in the beginning and 79.5MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12153.86ms. Allocated memory was 136.3MB in the beginning and 218.1MB in the end (delta: 81.8MB). Free memory was 78.3MB in the beginning and 184.6MB in the end (delta: -106.3MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. * Witness Printer took 133.33ms. Allocated memory is still 218.1MB. Free memory was 184.6MB in the beginning and 178.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 54]: 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 8 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1856 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1827 mSDsluCounter, 4097 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3017 mSDsCounter, 542 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2310 IncrementalHoareTripleChecker+Invalid, 2852 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 542 mSolverCounterUnsat, 1080 mSDtfsCounter, 2310 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 292 SyntacticMatches, 4 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred in iteration=9, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 137 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 1014 PreInvPairs, 1220 NumberOfFragments, 1918 HoareAnnotationTreeSize, 1014 FomulaSimplifications, 788 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 9118 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 712 ConstructedInterpolants, 0 QuantifiedInterpolants, 1476 SizeOfPredicates, 3 NumberOfNonLiveVariables, 488 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 100/126 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: 677]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((pumpRunning == 0 && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (((\result <= 2 && tmp <= 2) && 1 < tmp) && 2 <= \result)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-11-16 10:57:02,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5935ad-3123-4c42-9898-8e6f0c8ecc28/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