./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc --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 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 --- 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-5e519f3 [2022-11-02 20:10:13,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:10:13,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:10:13,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:10:13,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:10:13,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:10:13,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:10:13,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:10:13,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:10:13,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:10:13,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:10:13,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:10:13,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:10:13,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:10:13,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:10:13,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:10:13,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:10:13,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:10:13,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:10:13,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:10:13,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:10:13,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:10:13,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:10:13,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:10:13,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:10:13,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:10:13,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:10:13,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:10:13,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:10:13,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:10:13,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:10:13,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:10:13,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:10:13,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:10:13,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:10:13,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:10:13,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:10:13,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:10:13,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:10:13,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:10:13,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:10:13,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:10:13,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:10:13,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:10:13,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:10:13,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:10:13,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:10:13,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:10:13,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:10:13,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:10:13,703 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:10:13,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:10:13,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:10:13,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:10:13,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:10:13,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:10:13,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:10:13,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:10:13,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:10:13,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:10:13,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:10:13,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:10:13,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:10:13,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:10:13,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:10:13,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:10:13,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:10:13,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:10:13,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:10:13,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:10:13,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:10:13,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:10:13,730 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:10:13,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:10:13,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:10:13,731 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_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 [2022-11-02 20:10:14,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:10:14,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:10:14,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:10:14,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:10:14,105 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:10:14,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2022-11-02 20:10:14,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/data/2041a9427/bda155caef7243c99a14f9a1625e5ef6/FLAG9796bad43 [2022-11-02 20:10:14,810 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:10:14,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2022-11-02 20:10:14,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/data/2041a9427/bda155caef7243c99a14f9a1625e5ef6/FLAG9796bad43 [2022-11-02 20:10:15,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/data/2041a9427/bda155caef7243c99a14f9a1625e5ef6 [2022-11-02 20:10:15,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:10:15,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:10:15,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:10:15,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:10:15,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:10:15,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773c52aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15, skipping insertion in model container [2022-11-02 20:10:15,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:10:15,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:10:15,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2022-11-02 20:10:15,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:10:15,487 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:10:15,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2022-11-02 20:10:15,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:10:15,579 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:10:15,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15 WrapperNode [2022-11-02 20:10:15,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:10:15,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:10:15,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:10:15,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:10:15,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,630 INFO L138 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 252 [2022-11-02 20:10:15,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:10:15,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:10:15,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:10:15,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:10:15,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:10:15,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:10:15,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:10:15,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:10:15,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (1/1) ... [2022-11-02 20:10:15,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:10:15,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:10:15,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:10:15,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:10:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:10:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:10:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:10:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:10:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:10:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:10:15,782 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:10:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:10:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:10:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:10:15,785 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:10:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:10:15,786 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:10:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-02 20:10:15,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-02 20:10:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 20:10:15,786 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 20:10:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:10:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:10:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:10:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:10:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:10:15,906 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:10:15,908 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:10:16,295 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:10:16,303 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:10:16,303 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:10:16,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:16 BoogieIcfgContainer [2022-11-02 20:10:16,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:10:16,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:10:16,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:10:16,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:10:16,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:10:15" (1/3) ... [2022-11-02 20:10:16,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d536feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:16, skipping insertion in model container [2022-11-02 20:10:16,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:15" (2/3) ... [2022-11-02 20:10:16,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d536feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:16, skipping insertion in model container [2022-11-02 20:10:16,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:16" (3/3) ... [2022-11-02 20:10:16,316 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2022-11-02 20:10:16,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:10:16,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:10:16,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:10:16,433 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;@7dbcacc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:10:16,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:10:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-02 20:10:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:10:16,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:16,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:16,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:16,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:16,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1420238352, now seen corresponding path program 1 times [2022-11-02 20:10:16,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:16,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986944755] [2022-11-02 20:10:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:16,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:10:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:16,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:16,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986944755] [2022-11-02 20:10:16,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986944755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:16,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:16,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:10:16,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492462672] [2022-11-02 20:10:16,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:16,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:10:16,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:16,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:10:16,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:10:16,855 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:10:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:16,895 INFO L93 Difference]: Finished difference Result 197 states and 266 transitions. [2022-11-02 20:10:16,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:10:16,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-02 20:10:16,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:16,909 INFO L225 Difference]: With dead ends: 197 [2022-11-02 20:10:16,910 INFO L226 Difference]: Without dead ends: 94 [2022-11-02 20:10:16,914 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 [2022-11-02 20:10:16,918 INFO L413 NwaCegarLoop]: 130 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, 130 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 [2022-11-02 20:10:16,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:10:16,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-02 20:10:16,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-02 20:10:16,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-02 20:10:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 121 transitions. [2022-11-02 20:10:16,976 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 121 transitions. Word has length 25 [2022-11-02 20:10:16,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:16,977 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 121 transitions. [2022-11-02 20:10:16,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:10:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2022-11-02 20:10:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:10:16,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:16,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:16,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:10:16,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:16,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash -193757144, now seen corresponding path program 1 times [2022-11-02 20:10:16,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:16,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935339618] [2022-11-02 20:10:16,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:16,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 20:10:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:17,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:17,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935339618] [2022-11-02 20:10:17,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935339618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:17,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:17,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:10:17,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357649274] [2022-11-02 20:10:17,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:17,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:10:17,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:17,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:10:17,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:10:17,129 INFO L87 Difference]: Start difference. First operand 94 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:10:17,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:17,155 INFO L93 Difference]: Finished difference Result 148 states and 190 transitions. [2022-11-02 20:10:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:10:17,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-02 20:10:17,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:17,158 INFO L225 Difference]: With dead ends: 148 [2022-11-02 20:10:17,158 INFO L226 Difference]: Without dead ends: 85 [2022-11-02 20:10:17,160 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 [2022-11-02 20:10:17,161 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 194 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 [2022-11-02 20:10:17,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 194 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:10:17,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-02 20:10:17,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-02 20:10:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-02 20:10:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-11-02 20:10:17,175 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 26 [2022-11-02 20:10:17,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:17,175 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-11-02 20:10:17,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:10:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-11-02 20:10:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 20:10:17,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:17,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:17,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:10:17,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:17,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash -150671396, now seen corresponding path program 1 times [2022-11-02 20:10:17,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:17,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386095530] [2022-11-02 20:10:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:10:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:17,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:17,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386095530] [2022-11-02 20:10:17,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386095530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:17,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:17,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:10:17,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137345153] [2022-11-02 20:10:17,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:17,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:10:17,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:17,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:10:17,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:10:17,301 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-02 20:10:17,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:17,354 INFO L93 Difference]: Finished difference Result 237 states and 310 transitions. [2022-11-02 20:10:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:10:17,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2022-11-02 20:10:17,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:17,357 INFO L225 Difference]: With dead ends: 237 [2022-11-02 20:10:17,357 INFO L226 Difference]: Without dead ends: 160 [2022-11-02 20:10:17,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:10:17,360 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:17,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 235 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:10:17,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-02 20:10:17,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 157. [2022-11-02 20:10:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 129 states have internal predecessors, (153), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-02 20:10:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 205 transitions. [2022-11-02 20:10:17,397 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 205 transitions. Word has length 31 [2022-11-02 20:10:17,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:17,397 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 205 transitions. [2022-11-02 20:10:17,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-02 20:10:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 205 transitions. [2022-11-02 20:10:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-02 20:10:17,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:17,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:17,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:10:17,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:17,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:17,401 INFO L85 PathProgramCache]: Analyzing trace with hash 153261204, now seen corresponding path program 1 times [2022-11-02 20:10:17,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:17,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404806143] [2022-11-02 20:10:17,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:17,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:10:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:17,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:17,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404806143] [2022-11-02 20:10:17,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404806143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:17,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:17,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:10:17,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281584197] [2022-11-02 20:10:17,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:17,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:10:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:17,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:10:17,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:10:17,671 INFO L87 Difference]: Start difference. First operand 157 states and 205 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:10:17,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:17,929 INFO L93 Difference]: Finished difference Result 453 states and 600 transitions. [2022-11-02 20:10:17,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:10:17,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-02 20:10:17,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:17,933 INFO L225 Difference]: With dead ends: 453 [2022-11-02 20:10:17,934 INFO L226 Difference]: Without dead ends: 304 [2022-11-02 20:10:17,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:10:17,937 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 77 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:17,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 537 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:10:17,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-11-02 20:10:17,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 298. [2022-11-02 20:10:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 213 states have (on average 1.3286384976525822) internal successors, (283), 242 states have internal predecessors, (283), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 38 states have call predecessors, (54), 52 states have call successors, (54) [2022-11-02 20:10:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 389 transitions. [2022-11-02 20:10:18,002 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 389 transitions. Word has length 34 [2022-11-02 20:10:18,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:18,003 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 389 transitions. [2022-11-02 20:10:18,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:10:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 389 transitions. [2022-11-02 20:10:18,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 20:10:18,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:18,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:18,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:10:18,015 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:18,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:18,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1754015376, now seen corresponding path program 1 times [2022-11-02 20:10:18,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:18,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144737932] [2022-11-02 20:10:18,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:18,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:10:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:10:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:18,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:18,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144737932] [2022-11-02 20:10:18,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144737932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:18,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:18,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:10:18,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991631517] [2022-11-02 20:10:18,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:18,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:10:18,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:18,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:10:18,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:10:18,226 INFO L87 Difference]: Start difference. First operand 298 states and 389 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:10:18,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:18,661 INFO L93 Difference]: Finished difference Result 786 states and 1038 transitions. [2022-11-02 20:10:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:10:18,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-11-02 20:10:18,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:18,666 INFO L225 Difference]: With dead ends: 786 [2022-11-02 20:10:18,666 INFO L226 Difference]: Without dead ends: 496 [2022-11-02 20:10:18,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:10:18,669 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 131 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:18,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 210 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:10:18,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2022-11-02 20:10:18,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 482. [2022-11-02 20:10:18,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 349 states have (on average 1.2750716332378222) internal successors, (445), 382 states have internal predecessors, (445), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2022-11-02 20:10:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 609 transitions. [2022-11-02 20:10:18,723 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 609 transitions. Word has length 38 [2022-11-02 20:10:18,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:18,724 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 609 transitions. [2022-11-02 20:10:18,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:10:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 609 transitions. [2022-11-02 20:10:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-02 20:10:18,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:18,727 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:18,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:10:18,728 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:18,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:18,729 INFO L85 PathProgramCache]: Analyzing trace with hash 684559813, now seen corresponding path program 1 times [2022-11-02 20:10:18,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:18,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089639449] [2022-11-02 20:10:18,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:18,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:10:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:10:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:10:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:10:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:10:18,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:18,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089639449] [2022-11-02 20:10:18,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089639449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:18,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:18,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:10:18,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621128703] [2022-11-02 20:10:18,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:18,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:10:18,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:18,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:10:18,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:10:18,925 INFO L87 Difference]: Start difference. First operand 482 states and 609 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:10:19,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:19,367 INFO L93 Difference]: Finished difference Result 1072 states and 1389 transitions. [2022-11-02 20:10:19,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:10:19,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-11-02 20:10:19,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:19,372 INFO L225 Difference]: With dead ends: 1072 [2022-11-02 20:10:19,372 INFO L226 Difference]: Without dead ends: 598 [2022-11-02 20:10:19,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:10:19,375 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 136 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:19,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 229 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:10:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2022-11-02 20:10:19,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 576. [2022-11-02 20:10:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 423 states have (on average 1.2458628841607564) internal successors, (527), 456 states have internal predecessors, (527), 80 states have call successors, (80), 60 states have call predecessors, (80), 72 states have return successors, (112), 82 states have call predecessors, (112), 80 states have call successors, (112) [2022-11-02 20:10:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 719 transitions. [2022-11-02 20:10:19,461 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 719 transitions. Word has length 61 [2022-11-02 20:10:19,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:19,461 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 719 transitions. [2022-11-02 20:10:19,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:10:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 719 transitions. [2022-11-02 20:10:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-02 20:10:19,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:19,465 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:19,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:10:19,465 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:19,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:19,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1386159687, now seen corresponding path program 1 times [2022-11-02 20:10:19,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:19,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676425154] [2022-11-02 20:10:19,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:19,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:10:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:10:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:10:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:19,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:10:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:10:19,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:19,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676425154] [2022-11-02 20:10:19,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676425154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:19,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:19,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:10:19,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769684972] [2022-11-02 20:10:19,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:19,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:10:19,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:19,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:10:19,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:10:19,660 INFO L87 Difference]: Start difference. First operand 576 states and 719 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-02 20:10:20,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:20,346 INFO L93 Difference]: Finished difference Result 1186 states and 1513 transitions. [2022-11-02 20:10:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:10:20,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 61 [2022-11-02 20:10:20,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:20,350 INFO L225 Difference]: With dead ends: 1186 [2022-11-02 20:10:20,350 INFO L226 Difference]: Without dead ends: 618 [2022-11-02 20:10:20,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:10:20,353 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 326 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:20,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 243 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:10:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2022-11-02 20:10:20,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 584. [2022-11-02 20:10:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 431 states have (on average 1.2412993039443156) internal successors, (535), 464 states have internal predecessors, (535), 80 states have call successors, (80), 60 states have call predecessors, (80), 72 states have return successors, (112), 82 states have call predecessors, (112), 80 states have call successors, (112) [2022-11-02 20:10:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 727 transitions. [2022-11-02 20:10:20,408 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 727 transitions. Word has length 61 [2022-11-02 20:10:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:20,409 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 727 transitions. [2022-11-02 20:10:20,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-02 20:10:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 727 transitions. [2022-11-02 20:10:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-02 20:10:20,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:20,411 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:20,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:10:20,412 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:20,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:20,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1313773129, now seen corresponding path program 1 times [2022-11-02 20:10:20,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:20,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891068686] [2022-11-02 20:10:20,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:20,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:10:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:10:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:10:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:10:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:10:20,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:20,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891068686] [2022-11-02 20:10:20,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891068686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:20,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:20,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:10:20,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959828628] [2022-11-02 20:10:20,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:20,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:10:20,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:20,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:10:20,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:10:20,543 INFO L87 Difference]: Start difference. First operand 584 states and 727 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-02 20:10:21,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:21,068 INFO L93 Difference]: Finished difference Result 1652 states and 2141 transitions. [2022-11-02 20:10:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:10:21,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2022-11-02 20:10:21,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:21,074 INFO L225 Difference]: With dead ends: 1652 [2022-11-02 20:10:21,074 INFO L226 Difference]: Without dead ends: 1076 [2022-11-02 20:10:21,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:10:21,078 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 343 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:21,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 266 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:10:21,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2022-11-02 20:10:21,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1064. [2022-11-02 20:10:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 791 states have (on average 1.2174462705436158) internal successors, (963), 842 states have internal predecessors, (963), 142 states have call successors, (142), 126 states have call predecessors, (142), 130 states have return successors, (228), 140 states have call predecessors, (228), 142 states have call successors, (228) [2022-11-02 20:10:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1333 transitions. [2022-11-02 20:10:21,166 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1333 transitions. Word has length 61 [2022-11-02 20:10:21,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:21,167 INFO L495 AbstractCegarLoop]: Abstraction has 1064 states and 1333 transitions. [2022-11-02 20:10:21,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-02 20:10:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1333 transitions. [2022-11-02 20:10:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 20:10:21,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:21,169 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:21,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:10:21,170 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:21,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash 205893359, now seen corresponding path program 1 times [2022-11-02 20:10:21,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:21,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20231945] [2022-11-02 20:10:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:21,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:10:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:10:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:10:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:21,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:10:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-02 20:10:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:10:21,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:21,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20231945] [2022-11-02 20:10:21,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20231945] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:10:21,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075240626] [2022-11-02 20:10:21,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:21,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:10:21,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:10:21,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:10:21,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:10:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:21,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:10:21,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:21,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:21,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075240626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:21,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:10:21,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2022-11-02 20:10:21,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589724419] [2022-11-02 20:10:21,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:21,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:10:21,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:21,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:10:21,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:10:21,985 INFO L87 Difference]: Start difference. First operand 1064 states and 1333 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-02 20:10:22,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:22,259 INFO L93 Difference]: Finished difference Result 2076 states and 2612 transitions. [2022-11-02 20:10:22,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:10:22,260 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2022-11-02 20:10:22,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:22,268 INFO L225 Difference]: With dead ends: 2076 [2022-11-02 20:10:22,268 INFO L226 Difference]: Without dead ends: 1020 [2022-11-02 20:10:22,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:10:22,277 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 71 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:22,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 914 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:10:22,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2022-11-02 20:10:22,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1016. [2022-11-02 20:10:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 753 states have (on average 1.201859229747676) internal successors, (905), 802 states have internal predecessors, (905), 138 states have call successors, (138), 122 states have call predecessors, (138), 124 states have return successors, (200), 134 states have call predecessors, (200), 138 states have call successors, (200) [2022-11-02 20:10:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1243 transitions. [2022-11-02 20:10:22,361 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1243 transitions. Word has length 65 [2022-11-02 20:10:22,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:22,362 INFO L495 AbstractCegarLoop]: Abstraction has 1016 states and 1243 transitions. [2022-11-02 20:10:22,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-02 20:10:22,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1243 transitions. [2022-11-02 20:10:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-02 20:10:22,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:22,368 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:22,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:10:22,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:10:22,583 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:22,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:22,583 INFO L85 PathProgramCache]: Analyzing trace with hash -801185411, now seen corresponding path program 1 times [2022-11-02 20:10:22,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:22,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083288499] [2022-11-02 20:10:22,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:10:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:10:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:10:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:10:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:10:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:10:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:10:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 20:10:22,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:22,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083288499] [2022-11-02 20:10:22,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083288499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:22,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:22,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:10:22,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057665935] [2022-11-02 20:10:22,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:22,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:10:22,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:22,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:10:22,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:10:22,751 INFO L87 Difference]: Start difference. First operand 1016 states and 1243 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-02 20:10:23,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:23,378 INFO L93 Difference]: Finished difference Result 1843 states and 2262 transitions. [2022-11-02 20:10:23,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-02 20:10:23,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 92 [2022-11-02 20:10:23,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:23,384 INFO L225 Difference]: With dead ends: 1843 [2022-11-02 20:10:23,385 INFO L226 Difference]: Without dead ends: 835 [2022-11-02 20:10:23,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:10:23,389 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 407 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:23,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 280 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:10:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-11-02 20:10:23,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 803. [2022-11-02 20:10:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 597 states have (on average 1.185929648241206) internal successors, (708), 643 states have internal predecessors, (708), 109 states have call successors, (109), 86 states have call predecessors, (109), 96 states have return successors, (158), 107 states have call predecessors, (158), 109 states have call successors, (158) [2022-11-02 20:10:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 975 transitions. [2022-11-02 20:10:23,473 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 975 transitions. Word has length 92 [2022-11-02 20:10:23,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:23,473 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 975 transitions. [2022-11-02 20:10:23,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-02 20:10:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 975 transitions. [2022-11-02 20:10:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-02 20:10:23,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:23,483 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:23,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:10:23,483 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:23,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:23,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1582774687, now seen corresponding path program 1 times [2022-11-02 20:10:23,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:23,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868370520] [2022-11-02 20:10:23,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:23,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:10:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:10:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:10:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:10:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:10:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:10:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 20:10:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:10:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:10:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:10:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:10:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-02 20:10:23,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:23,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868370520] [2022-11-02 20:10:23,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868370520] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:10:23,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54503818] [2022-11-02 20:10:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:23,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:10:23,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:10:23,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:10:23,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:10:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:24,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:10:24,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 20:10:24,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:24,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54503818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:24,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:10:24,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-11-02 20:10:24,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372023538] [2022-11-02 20:10:24,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:24,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:10:24,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:24,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:10:24,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:10:24,231 INFO L87 Difference]: Start difference. First operand 803 states and 975 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-02 20:10:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:24,445 INFO L93 Difference]: Finished difference Result 1389 states and 1709 transitions. [2022-11-02 20:10:24,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:10:24,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2022-11-02 20:10:24,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:24,447 INFO L225 Difference]: With dead ends: 1389 [2022-11-02 20:10:24,447 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:10:24,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:10:24,452 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:24,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1059 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:10:24,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:10:24,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:10:24,454 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) [2022-11-02 20:10:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:10:24,477 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-11-02 20:10:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:24,477 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:10:24,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-02 20:10:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:10:24,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:10:24,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:10:24,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:10:24,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-02 20:10:24,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:10:30,209 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 378 385) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse2 .cse5))) [2022-11-02 20:10:30,210 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 378 385) no Hoare annotation was computed. [2022-11-02 20:10:30,210 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 378 385) no Hoare annotation was computed. [2022-11-02 20:10:30,210 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2022-11-02 20:10:30,210 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2022-11-02 20:10:30,210 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse3 .cse2 .cse5 .cse4) (or .cse3 .cse1 .cse2 .cse5))) [2022-11-02 20:10:30,210 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-11-02 20:10:30,211 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-11-02 20:10:30,211 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 901 930) no Hoare annotation was computed. [2022-11-02 20:10:30,211 INFO L902 garLoopResultBuilder]: At program point L926(lines 901 930) the Hoare annotation is: true [2022-11-02 20:10:30,211 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 901 930) the Hoare annotation is: true [2022-11-02 20:10:30,211 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2022-11-02 20:10:30,211 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2022-11-02 20:10:30,212 INFO L902 garLoopResultBuilder]: At program point L915-1(lines 915 919) the Hoare annotation is: true [2022-11-02 20:10:30,212 INFO L899 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2022-11-02 20:10:30,212 INFO L902 garLoopResultBuilder]: At program point L911-2(lines 911 925) the Hoare annotation is: true [2022-11-02 20:10:30,212 INFO L902 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: true [2022-11-02 20:10:30,212 INFO L899 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2022-11-02 20:10:30,212 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2022-11-02 20:10:30,213 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2022-11-02 20:10:30,213 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 517) no Hoare annotation was computed. [2022-11-02 20:10:30,213 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 520) no Hoare annotation was computed. [2022-11-02 20:10:30,213 INFO L895 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse2 .cse4) (or .cse3 .cse0 .cse1))) [2022-11-02 20:10:30,214 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 495 523) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse2) (or .cse0 (and .cse1 .cse6 .cse2) .cse7 .cse4) (or .cse1 .cse5 .cse3) (or .cse0 .cse5 .cse7 .cse2) (or (and (<= 2 ~waterLevel~0) .cse6) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6) .cse5 (and .cse1 .cse6) .cse7))) [2022-11-02 20:10:30,214 INFO L895 garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse3 .cse5 .cse4) (or .cse3 .cse1 .cse5) (or .cse3 .cse1 .cse2) (or .cse1 .cse5 (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~2#1|))))) [2022-11-02 20:10:30,214 INFO L895 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2022-11-02 20:10:30,214 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2022-11-02 20:10:30,215 INFO L895 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse4) (or .cse0 .cse3))) [2022-11-02 20:10:30,215 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2022-11-02 20:10:30,215 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse5 .cse4) (or .cse0 .cse5 .cse2))) [2022-11-02 20:10:30,217 INFO L895 garLoopResultBuilder]: At program point L347-1(lines 328 352) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse6 .cse1 .cse7) (or .cse0 .cse2 .cse8) (or .cse0 .cse7 .cse8) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse7 .cse5)))) [2022-11-02 20:10:30,217 INFO L899 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2022-11-02 20:10:30,217 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-11-02 20:10:30,218 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2022-11-02 20:10:30,218 INFO L895 garLoopResultBuilder]: At program point L501(line 501) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (and .cse4 .cse10)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse8 .cse4 .cse10)) (.cse7 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse0 .cse2 .cse6 .cse7) (or .cse8 .cse1 .cse9) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse9 .cse5) (or .cse0 .cse9 .cse6 .cse7)))) [2022-11-02 20:10:30,218 INFO L899 garLoopResultBuilder]: For program point L501-1(line 501) no Hoare annotation was computed. [2022-11-02 20:10:30,218 INFO L895 garLoopResultBuilder]: At program point L402(lines 397 405) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (not (= 1 ~systemActive~0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse7 (and .cse2 .cse3) .cse1) (or .cse0 .cse8 .cse6) (or .cse0 .cse7 .cse1 (and .cse4 .cse5)) (or .cse7 .cse8))) [2022-11-02 20:10:30,219 INFO L899 garLoopResultBuilder]: For program point L274-1(lines 273 292) no Hoare annotation was computed. [2022-11-02 20:10:30,219 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 344) no Hoare annotation was computed. [2022-11-02 20:10:30,219 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 0) .cse7 .cse8)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse6 .cse1)))) [2022-11-02 20:10:30,219 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 349) no Hoare annotation was computed. [2022-11-02 20:10:30,219 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2022-11-02 20:10:30,220 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed. [2022-11-02 20:10:30,220 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-11-02 20:10:30,220 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2022-11-02 20:10:30,220 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-11-02 20:10:30,220 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-11-02 20:10:30,221 INFO L895 garLoopResultBuilder]: At program point L481(lines 476 483) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-11-02 20:10:30,221 INFO L895 garLoopResultBuilder]: At program point L250(lines 203 252) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-11-02 20:10:30,221 INFO L895 garLoopResultBuilder]: At program point L473(lines 461 475) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-11-02 20:10:30,221 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:10:30,221 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-11-02 20:10:30,222 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2022-11-02 20:10:30,222 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 471) no Hoare annotation was computed. [2022-11-02 20:10:30,222 INFO L895 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:10:30,222 INFO L899 garLoopResultBuilder]: For program point L465-1(lines 465 471) no Hoare annotation was computed. [2022-11-02 20:10:30,222 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 209) no Hoare annotation was computed. [2022-11-02 20:10:30,222 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:10:30,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:10:30,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:10:30,223 INFO L902 garLoopResultBuilder]: At program point L970(lines 962 972) the Hoare annotation is: true [2022-11-02 20:10:30,223 INFO L895 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:10:30,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:10:30,223 INFO L902 garLoopResultBuilder]: At program point L256(lines 193 260) the Hoare annotation is: true [2022-11-02 20:10:30,224 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2022-11-02 20:10:30,224 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2022-11-02 20:10:30,224 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 990) no Hoare annotation was computed. [2022-11-02 20:10:30,224 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-11-02 20:10:30,224 INFO L899 garLoopResultBuilder]: For program point L983-2(lines 983 990) no Hoare annotation was computed. [2022-11-02 20:10:30,224 INFO L895 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5))) [2022-11-02 20:10:30,225 INFO L895 garLoopResultBuilder]: At program point L492(lines 487 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:10:30,225 INFO L902 garLoopResultBuilder]: At program point L992(lines 973 995) the Hoare annotation is: true [2022-11-02 20:10:30,225 INFO L895 garLoopResultBuilder]: At program point L959(lines 955 961) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:10:30,225 INFO L895 garLoopResultBuilder]: At program point L253(lines 202 254) the Hoare annotation is: false [2022-11-02 20:10:30,225 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 247) no Hoare annotation was computed. [2022-11-02 20:10:30,226 INFO L895 garLoopResultBuilder]: At program point L241-2(lines 233 248) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse2 .cse3) (and .cse5 .cse4 .cse2))) [2022-11-02 20:10:30,226 INFO L899 garLoopResultBuilder]: For program point L204(lines 203 252) no Hoare annotation was computed. [2022-11-02 20:10:30,226 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 248) no Hoare annotation was computed. [2022-11-02 20:10:30,226 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-11-02 20:10:30,226 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-11-02 20:10:30,227 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse2))) [2022-11-02 20:10:30,227 INFO L895 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse2) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-02 20:10:30,227 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2022-11-02 20:10:30,227 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2022-11-02 20:10:30,227 INFO L895 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse1 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (and .cse0 .cse2 .cse4) (not (= ~methaneLevelCritical~0 0)))) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)))) [2022-11-02 20:10:30,228 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2022-11-02 20:10:30,228 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-11-02 20:10:30,228 INFO L895 garLoopResultBuilder]: At program point L368-2(lines 361 377) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse1 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1|))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-02 20:10:30,228 INFO L899 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2022-11-02 20:10:30,228 INFO L895 garLoopResultBuilder]: At program point L457(lines 442 460) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and .cse5 .cse2 .cse4) (and .cse1 .cse5 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)))))) [2022-11-02 20:10:30,229 INFO L895 garLoopResultBuilder]: At program point L358(lines 353 360) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))))) [2022-11-02 20:10:30,229 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 455) no Hoare annotation was computed. [2022-11-02 20:10:30,229 INFO L899 garLoopResultBuilder]: For program point L451-2(lines 451 455) no Hoare annotation was computed. [2022-11-02 20:10:30,229 INFO L895 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-11-02 20:10:30,229 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2022-11-02 20:10:30,230 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-02 20:10:30,230 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2022-11-02 20:10:30,230 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 302 326) no Hoare annotation was computed. [2022-11-02 20:10:30,230 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 386 396) the Hoare annotation is: true [2022-11-02 20:10:30,230 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 386 396) no Hoare annotation was computed. [2022-11-02 20:10:30,230 INFO L902 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: true [2022-11-02 20:10:30,231 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 386 396) no Hoare annotation was computed. [2022-11-02 20:10:30,231 INFO L899 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2022-11-02 20:10:30,234 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:30,237 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:10:30,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:10:30 BoogieIcfgContainer [2022-11-02 20:10:30,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:10:30,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:10:30,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:10:30,264 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:10:30,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:16" (3/4) ... [2022-11-02 20:10:30,268 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:10:30,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 20:10:30,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:10:30,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:10:30,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:10:30,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:10:30,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:10:30,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:10:30,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:10:30,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-02 20:10:30,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-11-02 20:10:30,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:10:30,286 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:10:30,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:10:30,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:10:30,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:10:30,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:10:30,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-02 20:10:30,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) [2022-11-02 20:10:30,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel)) && (((((2 <= waterLevel && tmp == 0) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) [2022-11-02 20:10:30,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-11-02 20:10:30,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-11-02 20:10:30,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-11-02 20:10:30,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-11-02 20:10:30,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-11-02 20:10:30,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((tmp___0 == 0 && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || (((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result == 0)) || !(methaneLevelCritical == 0)) [2022-11-02 20:10:30,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:10:30,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:10:30,345 INFO L158 Benchmark]: Toolchain (without parser) took 15264.71ms. Allocated memory was 98.6MB in the beginning and 226.5MB in the end (delta: 127.9MB). Free memory was 75.2MB in the beginning and 109.7MB in the end (delta: -34.5MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2022-11-02 20:10:30,345 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:10:30,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.24ms. Allocated memory is still 98.6MB. Free memory was 75.2MB in the beginning and 63.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:10:30,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.42ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 60.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:10:30,347 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 98.6MB. Free memory was 60.7MB in the beginning and 59.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:10:30,347 INFO L158 Benchmark]: RCFGBuilder took 641.74ms. Allocated memory is still 98.6MB. Free memory was 58.9MB in the beginning and 40.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 20:10:30,347 INFO L158 Benchmark]: TraceAbstraction took 13955.30ms. Allocated memory was 98.6MB in the beginning and 226.5MB in the end (delta: 127.9MB). Free memory was 39.3MB in the beginning and 115.0MB in the end (delta: -75.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2022-11-02 20:10:30,348 INFO L158 Benchmark]: Witness Printer took 80.39ms. Allocated memory is still 226.5MB. Free memory was 115.0MB in the beginning and 109.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:10:30,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.24ms. Allocated memory is still 98.6MB. Free memory was 75.2MB in the beginning and 63.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.42ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 60.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 98.6MB. Free memory was 60.7MB in the beginning and 59.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.74ms. Allocated memory is still 98.6MB. Free memory was 58.9MB in the beginning and 40.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13955.30ms. Allocated memory was 98.6MB in the beginning and 226.5MB in the end (delta: 127.9MB). Free memory was 39.3MB in the beginning and 115.0MB in the end (delta: -75.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. * Witness Printer took 80.39ms. Allocated memory is still 226.5MB. Free memory was 115.0MB in the beginning and 109.7MB 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: 895]: 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 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1710 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1670 mSDsluCounter, 4297 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2838 mSDsCounter, 594 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1947 IncrementalHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 594 mSolverCounterUnsat, 1459 mSDtfsCounter, 1947 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred in iteration=8, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 127 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 2614 PreInvPairs, 2937 NumberOfFragments, 1807 HoareAnnotationTreeSize, 2614 FomulaSimplifications, 1732 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 47 FomulaSimplificationsInter, 11229 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 779 NumberOfCodeBlocks, 779 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 766 ConstructedInterpolants, 0 QuantifiedInterpolants, 1459 SizeOfPredicates, 6 NumberOfNonLiveVariables, 908 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 115/130 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: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel)) && (((((2 <= waterLevel && tmp == 0) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive)) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: ((1 <= methaneLevelCritical && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((tmp___0 == 0 && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || (((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result == 0)) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:10:30,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c832f9a-f7b6-412e-b7d1-54e08a06f471/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE