./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/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_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/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_c2840b41-0bae-42f9-ad55-184f4f6d1557/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 699ded97cbb1126ff33cf78f7c5253f33e10fc954d477377647b1ae04749f3fb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:36:45,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:36:45,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:36:46,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:36:46,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:36:46,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:36:46,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:36:46,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:36:46,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:36:46,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:36:46,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:36:46,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:36:46,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:36:46,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:36:46,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:36:46,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:36:46,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:36:46,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:36:46,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:36:46,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:36:46,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:36:46,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:36:46,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:36:46,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:36:46,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:36:46,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:36:46,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:36:46,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:36:46,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:36:46,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:36:46,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:36:46,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:36:46,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:36:46,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:36:46,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:36:46,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:36:46,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:36:46,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:36:46,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:36:46,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:36:46,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:36:46,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:36:46,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:36:46,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:36:46,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:36:46,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:36:46,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:36:46,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:36:46,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:36:46,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:36:46,126 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:36:46,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:36:46,128 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:36:46,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:36:46,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:36:46,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:36:46,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:36:46,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:36:46,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:36:46,130 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:36:46,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:36:46,130 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:36:46,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:36:46,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:36:46,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:36:46,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:36:46,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:36:46,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:36:46,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:36:46,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:36:46,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:36:46,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:36:46,133 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:36:46,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:36:46,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:36:46,134 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_c2840b41-0bae-42f9-ad55-184f4f6d1557/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 699ded97cbb1126ff33cf78f7c5253f33e10fc954d477377647b1ae04749f3fb [2022-11-16 12:36:46,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:36:46,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:36:46,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:36:46,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:36:46,547 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:36:46,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2022-11-16 12:36:46,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/data/4c7b8a54c/5812d3941c1f45e4bc433dcc4edc2635/FLAG19e14c28b [2022-11-16 12:36:47,206 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:36:47,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2022-11-16 12:36:47,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/data/4c7b8a54c/5812d3941c1f45e4bc433dcc4edc2635/FLAG19e14c28b [2022-11-16 12:36:47,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/data/4c7b8a54c/5812d3941c1f45e4bc433dcc4edc2635 [2022-11-16 12:36:47,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:36:47,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:36:47,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:36:47,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:36:47,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:36:47,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:47" (1/1) ... [2022-11-16 12:36:47,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34367c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:47, skipping insertion in model container [2022-11-16 12:36:47,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:47" (1/1) ... [2022-11-16 12:36:47,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:36:47,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:36:47,920 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_c2840b41-0bae-42f9-ad55-184f4f6d1557/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c[3211,3224] [2022-11-16 12:36:48,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:36:48,105 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:36:48,142 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_c2840b41-0bae-42f9-ad55-184f4f6d1557/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c[3211,3224] [2022-11-16 12:36:48,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:36:48,254 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:36:48,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48 WrapperNode [2022-11-16 12:36:48,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:36:48,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:36:48,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:36:48,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:36:48,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,311 INFO L138 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 204 [2022-11-16 12:36:48,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:36:48,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:36:48,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:36:48,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:36:48,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:36:48,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:36:48,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:36:48,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:36:48,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (1/1) ... [2022-11-16 12:36:48,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:36:48,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:36:48,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:36:48,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:36:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:36:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 12:36:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 12:36:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:36:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:36:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:36:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:36:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 12:36:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 12:36:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:36:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:36:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 12:36:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 12:36:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:36:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:36:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:36:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:36:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:36:48,568 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:36:48,571 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:36:48,927 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:36:48,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:36:48,935 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:36:48,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:48 BoogieIcfgContainer [2022-11-16 12:36:48,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:36:48,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:36:48,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:36:48,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:36:48,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:36:47" (1/3) ... [2022-11-16 12:36:48,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a839c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:48, skipping insertion in model container [2022-11-16 12:36:48,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:48" (2/3) ... [2022-11-16 12:36:48,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a839c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:48, skipping insertion in model container [2022-11-16 12:36:48,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:48" (3/3) ... [2022-11-16 12:36:48,950 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2022-11-16 12:36:48,973 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:36:48,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:36:49,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:36:49,052 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;@70e56342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:36:49,053 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:36:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 65 states have internal predecessors, (80), 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 12:36:49,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 12:36:49,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:49,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:49,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:49,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:49,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1089511908, now seen corresponding path program 1 times [2022-11-16 12:36:49,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:49,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580303060] [2022-11-16 12:36:49,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:49,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:36:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:36:49,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:49,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580303060] [2022-11-16 12:36:49,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580303060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:36:49,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:36:49,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:36:49,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57368463] [2022-11-16 12:36:49,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:36:49,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:36:49,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:49,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:36:49,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:36:49,451 INFO L87 Difference]: Start difference. First operand has 79 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 65 states have internal predecessors, (80), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:36:49,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:49,503 INFO L93 Difference]: Finished difference Result 150 states and 203 transitions. [2022-11-16 12:36:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:36:49,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-16 12:36:49,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:49,517 INFO L225 Difference]: With dead ends: 150 [2022-11-16 12:36:49,517 INFO L226 Difference]: Without dead ends: 70 [2022-11-16 12:36:49,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:36:49,526 INFO L413 NwaCegarLoop]: 98 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, 98 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:49,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:36:49,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-16 12:36:49,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-16 12:36:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 57 states have internal predecessors, (66), 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 12:36:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-11-16 12:36:49,581 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 23 [2022-11-16 12:36:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:49,582 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-11-16 12:36:49,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:36:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-11-16 12:36:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 12:36:49,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:49,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:49,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:36:49,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:49,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2008002400, now seen corresponding path program 1 times [2022-11-16 12:36:49,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:49,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419386862] [2022-11-16 12:36:49,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:49,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:49,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:36:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:36:49,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:49,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419386862] [2022-11-16 12:36:49,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419386862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:36:49,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:36:49,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:36:49,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632313154] [2022-11-16 12:36:49,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:36:49,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:36:49,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:49,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:36:49,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:36:49,856 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:36:49,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:49,893 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2022-11-16 12:36:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:36:49,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-16 12:36:49,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:49,897 INFO L225 Difference]: With dead ends: 102 [2022-11-16 12:36:49,897 INFO L226 Difference]: Without dead ends: 61 [2022-11-16 12:36:49,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:36:49,900 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 16 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:49,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 131 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:36:49,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-16 12:36:49,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-16 12:36:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 51 states have internal predecessors, (59), 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 12:36:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2022-11-16 12:36:49,913 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 24 [2022-11-16 12:36:49,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:49,913 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2022-11-16 12:36:49,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:36:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2022-11-16 12:36:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 12:36:49,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:49,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:49,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:36:49,916 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:49,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:49,917 INFO L85 PathProgramCache]: Analyzing trace with hash -184912456, now seen corresponding path program 1 times [2022-11-16 12:36:49,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:49,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684394729] [2022-11-16 12:36:49,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:49,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:36:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:36:50,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:50,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684394729] [2022-11-16 12:36:50,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684394729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:36:50,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:36:50,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:36:50,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723443589] [2022-11-16 12:36:50,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:36:50,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:36:50,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:50,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:36:50,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:36:50,198 INFO L87 Difference]: Start difference. First operand 61 states and 77 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:36:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:50,475 INFO L93 Difference]: Finished difference Result 210 states and 272 transitions. [2022-11-16 12:36:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:36:50,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-16 12:36:50,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:50,482 INFO L225 Difference]: With dead ends: 210 [2022-11-16 12:36:50,484 INFO L226 Difference]: Without dead ends: 156 [2022-11-16 12:36:50,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:36:50,487 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 203 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:50,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 359 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:36:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-16 12:36:50,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 150. [2022-11-16 12:36:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 109 states have (on average 1.348623853211009) internal successors, (147), 123 states have internal predecessors, (147), 23 states have call successors, (23), 17 states have call predecessors, (23), 17 states have return successors, (24), 17 states have call predecessors, (24), 23 states have call successors, (24) [2022-11-16 12:36:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 194 transitions. [2022-11-16 12:36:50,543 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 194 transitions. Word has length 28 [2022-11-16 12:36:50,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:50,543 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 194 transitions. [2022-11-16 12:36:50,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:36:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2022-11-16 12:36:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 12:36:50,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:50,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:50,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:36:50,547 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:50,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:50,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1927409760, now seen corresponding path program 1 times [2022-11-16 12:36:50,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:50,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025500580] [2022-11-16 12:36:50,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:50,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:36:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:50,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:36:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:36:50,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:50,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025500580] [2022-11-16 12:36:50,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025500580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:36:50,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:36:50,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:36:50,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98525664] [2022-11-16 12:36:50,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:36:50,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:36:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:50,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:36:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:36:50,694 INFO L87 Difference]: Start difference. First operand 150 states and 194 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:36:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:50,905 INFO L93 Difference]: Finished difference Result 437 states and 578 transitions. [2022-11-16 12:36:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:36:50,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 12:36:50,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:50,917 INFO L225 Difference]: With dead ends: 437 [2022-11-16 12:36:50,917 INFO L226 Difference]: Without dead ends: 294 [2022-11-16 12:36:50,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:36:50,927 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 50 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:50,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 370 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:36:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-11-16 12:36:50,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 285. [2022-11-16 12:36:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 204 states have (on average 1.3284313725490196) internal successors, (271), 231 states have internal predecessors, (271), 46 states have call successors, (46), 34 states have call predecessors, (46), 34 states have return successors, (51), 34 states have call predecessors, (51), 46 states have call successors, (51) [2022-11-16 12:36:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 368 transitions. [2022-11-16 12:36:50,994 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 368 transitions. Word has length 33 [2022-11-16 12:36:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:50,995 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 368 transitions. [2022-11-16 12:36:50,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:36:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 368 transitions. [2022-11-16 12:36:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 12:36:50,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:36:50,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:36:50,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:36:50,999 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:36:50,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:36:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash 691778524, now seen corresponding path program 1 times [2022-11-16 12:36:51,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:36:51,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015223237] [2022-11-16 12:36:51,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:36:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:36:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:36:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:36:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:51,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 12:36:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:36:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:36:51,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:36:51,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015223237] [2022-11-16 12:36:51,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015223237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:36:51,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:36:51,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:36:51,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101857961] [2022-11-16 12:36:51,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:36:51,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:36:51,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:36:51,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:36:51,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:36:51,154 INFO L87 Difference]: Start difference. First operand 285 states and 368 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 12:36:51,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:36:51,317 INFO L93 Difference]: Finished difference Result 510 states and 664 transitions. [2022-11-16 12:36:51,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:36:51,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-11-16 12:36:51,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:36:51,319 INFO L225 Difference]: With dead ends: 510 [2022-11-16 12:36:51,319 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:36:51,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:36:51,322 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 52 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:36:51,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 107 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:36:51,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:36:51,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:36:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:36:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:36:51,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-11-16 12:36:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:36:51,325 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:36:51,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 12:36:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:36:51,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:36:51,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:36:51,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:36:51,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:36:52,182 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 246 253) the Hoare annotation is: true [2022-11-16 12:36:52,183 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 246 253) no Hoare annotation was computed. [2022-11-16 12:36:52,183 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 246 253) no Hoare annotation was computed. [2022-11-16 12:36:52,183 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2022-11-16 12:36:52,184 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2022-11-16 12:36:52,184 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 12:36:52,185 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-11-16 12:36:52,185 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-11-16 12:36:52,185 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 433 462) no Hoare annotation was computed. [2022-11-16 12:36:52,185 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2022-11-16 12:36:52,185 INFO L902 garLoopResultBuilder]: At program point L447-1(lines 447 451) the Hoare annotation is: true [2022-11-16 12:36:52,185 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 433 462) the Hoare annotation is: true [2022-11-16 12:36:52,186 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-11-16 12:36:52,186 INFO L902 garLoopResultBuilder]: At program point L443-2(lines 443 457) the Hoare annotation is: true [2022-11-16 12:36:52,187 INFO L902 garLoopResultBuilder]: At program point L439(line 439) the Hoare annotation is: true [2022-11-16 12:36:52,187 INFO L899 garLoopResultBuilder]: For program point L439-1(line 439) no Hoare annotation was computed. [2022-11-16 12:36:52,188 INFO L902 garLoopResultBuilder]: At program point L458(lines 433 462) the Hoare annotation is: true [2022-11-16 12:36:52,188 INFO L899 garLoopResultBuilder]: For program point L454(line 454) no Hoare annotation was computed. [2022-11-16 12:36:52,188 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 192 198) no Hoare annotation was computed. [2022-11-16 12:36:52,188 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 229) no Hoare annotation was computed. [2022-11-16 12:36:52,189 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 234) no Hoare annotation was computed. [2022-11-16 12:36:52,189 INFO L899 garLoopResultBuilder]: For program point L168(line 168) no Hoare annotation was computed. [2022-11-16 12:36:52,190 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 181 204) no Hoare annotation was computed. [2022-11-16 12:36:52,190 INFO L895 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:36:52,190 INFO L899 garLoopResultBuilder]: For program point L259-1(line 259) no Hoare annotation was computed. [2022-11-16 12:36:52,190 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 184 203) no Hoare annotation was computed. [2022-11-16 12:36:52,191 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:36:52,191 INFO L899 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2022-11-16 12:36:52,191 INFO L895 garLoopResultBuilder]: At program point L169(lines 164 171) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:36:52,191 INFO L895 garLoopResultBuilder]: At program point L227(line 227) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:36:52,191 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:36:52,192 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-11-16 12:36:52,192 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:36:52,192 INFO L895 garLoopResultBuilder]: At program point L232(line 232) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 12:36:52,194 INFO L895 garLoopResultBuilder]: At program point L232-1(lines 213 237) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 12:36:52,194 INFO L895 garLoopResultBuilder]: At program point L261(lines 254 264) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:36:52,194 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2022-11-16 12:36:52,194 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 159) no Hoare annotation was computed. [2022-11-16 12:36:52,196 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 138 162) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2022-11-16 12:36:52,197 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 181 204) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:36:52,198 INFO L895 garLoopResultBuilder]: At program point L270(lines 265 273) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-11-16 12:36:52,198 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 181 204) no Hoare annotation was computed. [2022-11-16 12:36:52,198 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2022-11-16 12:36:52,201 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-11-16 12:36:52,201 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-11-16 12:36:52,205 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-11-16 12:36:52,205 INFO L899 garLoopResultBuilder]: For program point L514-2(lines 514 521) no Hoare annotation was computed. [2022-11-16 12:36:52,205 INFO L895 garLoopResultBuilder]: At program point L382(lines 337 384) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:36:52,206 INFO L895 garLoopResultBuilder]: At program point L349(line 349) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:36:52,206 INFO L895 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: false [2022-11-16 12:36:52,206 INFO L902 garLoopResultBuilder]: At program point L523(lines 504 526) the Hoare annotation is: true [2022-11-16 12:36:52,206 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:36:52,206 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:36:52,207 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:36:52,207 INFO L895 garLoopResultBuilder]: At program point L412(lines 408 414) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:36:52,207 INFO L899 garLoopResultBuilder]: For program point L338(lines 337 384) no Hoare annotation was computed. [2022-11-16 12:36:52,207 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 380) no Hoare annotation was computed. [2022-11-16 12:36:52,207 INFO L895 garLoopResultBuilder]: At program point L491(lines 487 493) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:36:52,207 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:36:52,208 INFO L902 garLoopResultBuilder]: At program point L388(lines 327 392) the Hoare annotation is: true [2022-11-16 12:36:52,208 INFO L895 garLoopResultBuilder]: At program point L322(lines 310 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:36:52,208 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:36:52,208 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 353) no Hoare annotation was computed. [2022-11-16 12:36:52,208 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2022-11-16 12:36:52,208 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 320) no Hoare annotation was computed. [2022-11-16 12:36:52,209 INFO L899 garLoopResultBuilder]: For program point L314-1(lines 314 320) no Hoare annotation was computed. [2022-11-16 12:36:52,209 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-11-16 12:36:52,209 INFO L895 garLoopResultBuilder]: At program point L385(lines 336 386) the Hoare annotation is: false [2022-11-16 12:36:52,209 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 379) no Hoare annotation was computed. [2022-11-16 12:36:52,209 INFO L902 garLoopResultBuilder]: At program point L501(lines 494 503) the Hoare annotation is: true [2022-11-16 12:36:52,210 INFO L895 garLoopResultBuilder]: At program point L373-2(lines 367 380) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:36:52,211 INFO L895 garLoopResultBuilder]: At program point L427(lines 422 430) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:36:52,211 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2022-11-16 12:36:52,211 INFO L899 garLoopResultBuilder]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2022-11-16 12:36:52,211 INFO L895 garLoopResultBuilder]: At program point L419(lines 415 421) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:36:52,212 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 521) no Hoare annotation was computed. [2022-11-16 12:36:52,212 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-11-16 12:36:52,212 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-11-16 12:36:52,212 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-11-16 12:36:52,217 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:36:52,219 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:36:52,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:36:52 BoogieIcfgContainer [2022-11-16 12:36:52,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:36:52,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:36:52,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:36:52,261 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:36:52,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:48" (3/4) ... [2022-11-16 12:36:52,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:36:52,276 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 12:36:52,276 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 12:36:52,276 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:36:52,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:36:52,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:36:52,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 12:36:52,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:36:52,297 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-16 12:36:52,299 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:36:52,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:36:52,301 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:36:52,302 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:36:52,302 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:36:52,303 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:36:52,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:36:52,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:36:52,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:36:52,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-16 12:36:52,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2022-11-16 12:36:52,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:36:52,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-11-16 12:36:52,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:36:52,368 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:36:52,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:36:52,368 INFO L158 Benchmark]: Toolchain (without parser) took 4864.32ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 88.1MB in the beginning and 92.6MB in the end (delta: -4.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-16 12:36:52,369 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:36:52,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.01ms. Allocated memory is still 125.8MB. Free memory was 88.0MB in the beginning and 94.8MB in the end (delta: -6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:36:52,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.22ms. Allocated memory is still 125.8MB. Free memory was 94.8MB in the beginning and 92.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:36:52,370 INFO L158 Benchmark]: Boogie Preprocessor took 37.88ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 91.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:36:52,370 INFO L158 Benchmark]: RCFGBuilder took 587.41ms. Allocated memory is still 125.8MB. Free memory was 91.1MB in the beginning and 73.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:36:52,371 INFO L158 Benchmark]: TraceAbstraction took 3318.97ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 73.4MB in the beginning and 97.8MB in the end (delta: -24.4MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-11-16 12:36:52,371 INFO L158 Benchmark]: Witness Printer took 106.81ms. Allocated memory is still 151.0MB. Free memory was 97.8MB in the beginning and 92.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:36:52,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.01ms. Allocated memory is still 125.8MB. Free memory was 88.0MB in the beginning and 94.8MB in the end (delta: -6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.22ms. Allocated memory is still 125.8MB. Free memory was 94.8MB in the beginning and 92.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.88ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 91.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.41ms. Allocated memory is still 125.8MB. Free memory was 91.1MB in the beginning and 73.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3318.97ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 73.4MB in the beginning and 97.8MB in the end (delta: -24.4MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 106.81ms. Allocated memory is still 151.0MB. Free memory was 97.8MB in the beginning and 92.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 168]: 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, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 329 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 1065 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 682 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 220 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 383 mSDtfsCounter, 220 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 379 PreInvPairs, 445 NumberOfFragments, 215 HoareAnnotationTreeSize, 379 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 36 FomulaSimplificationsInter, 1632 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 12:36:52,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2840b41-0bae-42f9-ad55-184f4f6d1557/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