./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ --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 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 --- 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-dbf71c6-m [2022-10-17 10:26:56,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:26:56,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:26:56,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:26:56,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:26:56,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:26:56,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:26:56,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:26:56,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:26:56,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:26:56,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:26:56,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:26:56,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:26:56,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:26:56,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:26:56,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:26:56,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:26:56,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:26:56,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:26:56,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:26:56,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:26:56,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:26:56,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:26:56,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:26:56,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:26:56,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:26:56,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:26:56,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:26:56,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:26:56,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:26:56,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:26:56,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:26:56,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:26:56,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:26:56,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:26:56,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:26:56,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:26:56,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:26:56,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:26:56,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:26:56,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:26:56,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:26:56,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:26:56,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:26:56,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:26:56,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:26:56,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:26:56,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:26:56,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:26:56,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:26:56,773 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:26:56,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:26:56,775 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:26:56,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:26:56,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:26:56,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:26:56,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:26:56,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:26:56,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:26:56,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:26:56,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:26:56,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:26:56,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:26:56,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:26:56,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:26:56,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:26:56,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:26:56,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:26:56,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:26:56,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:26:56,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:26:56,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:26:56,781 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:26:56,781 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:26:56,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:26:56,782 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_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 [2022-10-17 10:26:57,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:26:57,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:26:57,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:26:57,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:26:57,153 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:26:57,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2022-10-17 10:26:57,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/data/50690c06e/13d868829cb14628a43a7f8b41d99938/FLAGf7e5bd594 [2022-10-17 10:26:57,776 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:26:57,777 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2022-10-17 10:26:57,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/data/50690c06e/13d868829cb14628a43a7f8b41d99938/FLAGf7e5bd594 [2022-10-17 10:26:58,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/data/50690c06e/13d868829cb14628a43a7f8b41d99938 [2022-10-17 10:26:58,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:26:58,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:26:58,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:26:58,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:26:58,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:26:58,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592fe4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58, skipping insertion in model container [2022-10-17 10:26:58,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:26:58,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:26:58,446 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_765bacb2-ccee-4975-94d6-1b8296afe05b/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2022-10-17 10:26:58,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:26:58,459 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:26:58,584 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_765bacb2-ccee-4975-94d6-1b8296afe05b/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2022-10-17 10:26:58,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:26:58,614 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:26:58,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58 WrapperNode [2022-10-17 10:26:58,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:26:58,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:26:58,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:26:58,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:26:58,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,705 INFO L138 Inliner]: procedures = 55, calls = 155, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 263 [2022-10-17 10:26:58,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:26:58,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:26:58,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:26:58,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:26:58,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:26:58,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:26:58,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:26:58,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:26:58,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (1/1) ... [2022-10-17 10:26:58,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:26:58,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:26:58,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:26:58,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:26:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:26:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:26:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:26:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:26:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:26:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:26:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:26:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:26:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:26:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:26:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:26:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:26:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:26:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:26:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:26:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:26:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:26:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:26:58,932 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:26:58,935 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:26:59,414 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:26:59,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:26:59,436 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:26:59,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:26:59 BoogieIcfgContainer [2022-10-17 10:26:59,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:26:59,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:26:59,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:26:59,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:26:59,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:26:58" (1/3) ... [2022-10-17 10:26:59,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e9ce8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:26:59, skipping insertion in model container [2022-10-17 10:26:59,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:58" (2/3) ... [2022-10-17 10:26:59,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e9ce8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:26:59, skipping insertion in model container [2022-10-17 10:26:59,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:26:59" (3/3) ... [2022-10-17 10:26:59,462 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2022-10-17 10:26:59,491 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:26:59,491 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:26:59,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:26:59,566 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;@35b7ae63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:26:59,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:26:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 76 states have internal predecessors, (95), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-10-17 10:26:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 10:26:59,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:59,585 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] [2022-10-17 10:26:59,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:59,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:59,591 INFO L85 PathProgramCache]: Analyzing trace with hash 644770988, now seen corresponding path program 1 times [2022-10-17 10:26:59,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:59,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800608951] [2022-10-17 10:26:59,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:59,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:26:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:59,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:59,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800608951] [2022-10-17 10:26:59,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800608951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:59,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:59,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:26:59,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062154970] [2022-10-17 10:26:59,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:59,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:26:59,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:59,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:26:59,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:26:59,977 INFO L87 Difference]: Start difference. First operand has 88 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 76 states have internal predecessors, (95), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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) [2022-10-17 10:27:00,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:00,041 INFO L93 Difference]: Finished difference Result 168 states and 229 transitions. [2022-10-17 10:27:00,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:27:00,044 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 [2022-10-17 10:27:00,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:00,053 INFO L225 Difference]: With dead ends: 168 [2022-10-17 10:27:00,053 INFO L226 Difference]: Without dead ends: 79 [2022-10-17 10:27:00,058 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 [2022-10-17 10:27:00,062 INFO L413 NwaCegarLoop]: 111 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, 111 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 [2022-10-17 10:27:00,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:27:00,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-10-17 10:27:00,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-10-17 10:27:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 68 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-10-17 10:27:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2022-10-17 10:27:00,112 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2022-10-17 10:27:00,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:00,113 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2022-10-17 10:27:00,113 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) [2022-10-17 10:27:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-10-17 10:27:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 10:27:00,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:00,117 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] [2022-10-17 10:27:00,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:27:00,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:00,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:00,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1977303075, now seen corresponding path program 1 times [2022-10-17 10:27:00,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:00,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859317975] [2022-10-17 10:27:00,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:00,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:00,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:27:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:00,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:00,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:00,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859317975] [2022-10-17 10:27:00,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859317975] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:00,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:00,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:27:00,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487141732] [2022-10-17 10:27:00,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:00,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:27:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:00,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:27:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:27:00,297 INFO L87 Difference]: Start difference. First operand 79 states and 102 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) [2022-10-17 10:27:00,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:00,317 INFO L93 Difference]: Finished difference Result 124 states and 160 transitions. [2022-10-17 10:27:00,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:27:00,318 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 [2022-10-17 10:27:00,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:00,320 INFO L225 Difference]: With dead ends: 124 [2022-10-17 10:27:00,320 INFO L226 Difference]: Without dead ends: 70 [2022-10-17 10:27:00,321 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 [2022-10-17 10:27:00,323 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 12 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 162 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 [2022-10-17 10:27:00,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 162 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:27:00,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-10-17 10:27:00,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-10-17 10:27:00,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 62 states have internal predecessors, (74), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 10:27:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2022-10-17 10:27:00,336 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 26 [2022-10-17 10:27:00,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:00,337 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-10-17 10:27:00,337 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) [2022-10-17 10:27:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2022-10-17 10:27:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 10:27:00,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:00,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:00,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:27:00,339 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:00,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:00,340 INFO L85 PathProgramCache]: Analyzing trace with hash 378859764, now seen corresponding path program 1 times [2022-10-17 10:27:00,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:00,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764212657] [2022-10-17 10:27:00,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:00,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:00,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:27:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:00,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:00,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:00,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764212657] [2022-10-17 10:27:00,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764212657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:00,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:00,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:27:00,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343212288] [2022-10-17 10:27:00,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:00,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:27:00,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:00,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:27:00,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:27:00,583 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:27:00,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:00,688 INFO L93 Difference]: Finished difference Result 133 states and 174 transitions. [2022-10-17 10:27:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:27:00,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-10-17 10:27:00,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:00,691 INFO L225 Difference]: With dead ends: 133 [2022-10-17 10:27:00,691 INFO L226 Difference]: Without dead ends: 70 [2022-10-17 10:27:00,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:27:00,694 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 175 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:00,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 191 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:27:00,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-10-17 10:27:00,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-10-17 10:27:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 62 states have internal predecessors, (73), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 10:27:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-10-17 10:27:00,709 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 30 [2022-10-17 10:27:00,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:00,709 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-10-17 10:27:00,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:27:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-10-17 10:27:00,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 10:27:00,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:00,712 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] [2022-10-17 10:27:00,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:27:00,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:00,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:00,713 INFO L85 PathProgramCache]: Analyzing trace with hash 533499176, now seen corresponding path program 1 times [2022-10-17 10:27:00,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:00,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274858691] [2022-10-17 10:27:00,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:00,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-17 10:27:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:00,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:00,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274858691] [2022-10-17 10:27:00,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274858691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:00,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:00,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:27:00,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787433129] [2022-10-17 10:27:00,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:00,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:27:00,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:00,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:27:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:27:00,798 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:27:00,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:00,837 INFO L93 Difference]: Finished difference Result 177 states and 231 transitions. [2022-10-17 10:27:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:27:00,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 1 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 38 [2022-10-17 10:27:00,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:00,840 INFO L225 Difference]: With dead ends: 177 [2022-10-17 10:27:00,840 INFO L226 Difference]: Without dead ends: 114 [2022-10-17 10:27:00,842 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 [2022-10-17 10:27:00,843 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 69 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:00,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 172 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:27:00,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-10-17 10:27:00,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2022-10-17 10:27:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 94 states have internal predecessors, (114), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2022-10-17 10:27:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 142 transitions. [2022-10-17 10:27:00,866 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 142 transitions. Word has length 38 [2022-10-17 10:27:00,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:00,867 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 142 transitions. [2022-10-17 10:27:00,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:27:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 142 transitions. [2022-10-17 10:27:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 10:27:00,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:00,877 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, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:00,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:27:00,877 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:00,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash -504847281, now seen corresponding path program 1 times [2022-10-17 10:27:00,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:00,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820537404] [2022-10-17 10:27:00,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:00,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:27:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:27:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:01,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:01,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820537404] [2022-10-17 10:27:01,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820537404] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:01,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:01,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:27:01,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412778937] [2022-10-17 10:27:01,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:01,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:27:01,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:01,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:27:01,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:27:01,164 INFO L87 Difference]: Start difference. First operand 112 states and 142 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:27:01,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:01,392 INFO L93 Difference]: Finished difference Result 251 states and 325 transitions. [2022-10-17 10:27:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:27:01,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-10-17 10:27:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:01,399 INFO L225 Difference]: With dead ends: 251 [2022-10-17 10:27:01,400 INFO L226 Difference]: Without dead ends: 146 [2022-10-17 10:27:01,403 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 [2022-10-17 10:27:01,406 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 62 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:01,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 372 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:27:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-10-17 10:27:01,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 141. [2022-10-17 10:27:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 111 states have (on average 1.2972972972972974) internal successors, (144), 118 states have internal predecessors, (144), 14 states have call successors, (14), 12 states have call predecessors, (14), 15 states have return successors, (21), 15 states have call predecessors, (21), 14 states have call successors, (21) [2022-10-17 10:27:01,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 179 transitions. [2022-10-17 10:27:01,455 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 179 transitions. Word has length 44 [2022-10-17 10:27:01,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:01,455 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 179 transitions. [2022-10-17 10:27:01,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:27:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 179 transitions. [2022-10-17 10:27:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 10:27:01,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:01,471 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, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:01,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:27:01,471 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:01,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:01,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1322495731, now seen corresponding path program 1 times [2022-10-17 10:27:01,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:01,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902851932] [2022-10-17 10:27:01,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:01,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:27:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:27:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:01,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:01,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902851932] [2022-10-17 10:27:01,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902851932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:01,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:01,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:27:01,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895268682] [2022-10-17 10:27:01,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:01,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:27:01,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:01,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:27:01,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:27:01,656 INFO L87 Difference]: Start difference. First operand 141 states and 179 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:27:01,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:01,788 INFO L93 Difference]: Finished difference Result 285 states and 371 transitions. [2022-10-17 10:27:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:27:01,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-10-17 10:27:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:01,793 INFO L225 Difference]: With dead ends: 285 [2022-10-17 10:27:01,793 INFO L226 Difference]: Without dead ends: 151 [2022-10-17 10:27:01,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:27:01,798 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 65 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:01,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 293 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:27:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-10-17 10:27:01,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 143. [2022-10-17 10:27:01,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 113 states have (on average 1.2920353982300885) internal successors, (146), 120 states have internal predecessors, (146), 14 states have call successors, (14), 12 states have call predecessors, (14), 15 states have return successors, (21), 15 states have call predecessors, (21), 14 states have call successors, (21) [2022-10-17 10:27:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 181 transitions. [2022-10-17 10:27:01,839 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 181 transitions. Word has length 44 [2022-10-17 10:27:01,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:01,839 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 181 transitions. [2022-10-17 10:27:01,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:27:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 181 transitions. [2022-10-17 10:27:01,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 10:27:01,842 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:01,843 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, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:01,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:27:01,844 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:01,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:01,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1103641013, now seen corresponding path program 1 times [2022-10-17 10:27:01,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:01,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049706377] [2022-10-17 10:27:01,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:01,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:27:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:27:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:01,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:01,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049706377] [2022-10-17 10:27:01,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049706377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:01,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:01,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:27:01,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764874521] [2022-10-17 10:27:01,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:01,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:27:01,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:01,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:27:01,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:27:01,976 INFO L87 Difference]: Start difference. First operand 143 states and 181 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:27:02,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:02,233 INFO L93 Difference]: Finished difference Result 406 states and 532 transitions. [2022-10-17 10:27:02,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:27:02,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-10-17 10:27:02,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:02,239 INFO L225 Difference]: With dead ends: 406 [2022-10-17 10:27:02,240 INFO L226 Difference]: Without dead ends: 270 [2022-10-17 10:27:02,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:27:02,245 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 204 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:02,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 305 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:27:02,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-10-17 10:27:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 262. [2022-10-17 10:27:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 203 states have (on average 1.270935960591133) internal successors, (258), 214 states have internal predecessors, (258), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (48), 29 states have call predecessors, (48), 29 states have call successors, (48) [2022-10-17 10:27:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 335 transitions. [2022-10-17 10:27:02,303 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 335 transitions. Word has length 44 [2022-10-17 10:27:02,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:02,304 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 335 transitions. [2022-10-17 10:27:02,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:27:02,304 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 335 transitions. [2022-10-17 10:27:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 10:27:02,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:02,307 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:02,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 10:27:02,312 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:02,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:02,313 INFO L85 PathProgramCache]: Analyzing trace with hash 636133877, now seen corresponding path program 1 times [2022-10-17 10:27:02,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:02,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55960961] [2022-10-17 10:27:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:02,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:27:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:27:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-17 10:27:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:02,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:02,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55960961] [2022-10-17 10:27:02,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55960961] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:02,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:02,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:27:02,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83393456] [2022-10-17 10:27:02,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:02,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:27:02,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:02,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:27:02,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:27:02,515 INFO L87 Difference]: Start difference. First operand 262 states and 335 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:27:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:02,715 INFO L93 Difference]: Finished difference Result 520 states and 665 transitions. [2022-10-17 10:27:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:27:02,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-10-17 10:27:02,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:02,719 INFO L225 Difference]: With dead ends: 520 [2022-10-17 10:27:02,719 INFO L226 Difference]: Without dead ends: 265 [2022-10-17 10:27:02,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:27:02,721 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 111 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:02,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 335 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:27:02,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-10-17 10:27:02,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 260. [2022-10-17 10:27:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 201 states have (on average 1.263681592039801) internal successors, (254), 212 states have internal predecessors, (254), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (48), 29 states have call predecessors, (48), 29 states have call successors, (48) [2022-10-17 10:27:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 331 transitions. [2022-10-17 10:27:02,755 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 331 transitions. Word has length 46 [2022-10-17 10:27:02,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:02,755 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 331 transitions. [2022-10-17 10:27:02,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:27:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 331 transitions. [2022-10-17 10:27:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 10:27:02,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:02,757 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:02,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 10:27:02,758 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:02,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:02,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1068859185, now seen corresponding path program 1 times [2022-10-17 10:27:02,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:02,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821657801] [2022-10-17 10:27:02,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:27:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:27:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-17 10:27:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:02,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:02,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821657801] [2022-10-17 10:27:02,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821657801] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:02,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:02,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:27:02,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019208609] [2022-10-17 10:27:02,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:02,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:27:02,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:02,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:27:02,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:27:02,905 INFO L87 Difference]: Start difference. First operand 260 states and 331 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:27:03,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:03,272 INFO L93 Difference]: Finished difference Result 516 states and 665 transitions. [2022-10-17 10:27:03,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-17 10:27:03,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48 [2022-10-17 10:27:03,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:03,275 INFO L225 Difference]: With dead ends: 516 [2022-10-17 10:27:03,275 INFO L226 Difference]: Without dead ends: 309 [2022-10-17 10:27:03,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-10-17 10:27:03,279 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 207 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:03,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 513 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:27:03,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-10-17 10:27:03,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 296. [2022-10-17 10:27:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 231 states have (on average 1.2337662337662338) internal successors, (285), 245 states have internal predecessors, (285), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-10-17 10:27:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 361 transitions. [2022-10-17 10:27:03,323 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 361 transitions. Word has length 48 [2022-10-17 10:27:03,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:03,323 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 361 transitions. [2022-10-17 10:27:03,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:27:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 361 transitions. [2022-10-17 10:27:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 10:27:03,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:03,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:03,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 10:27:03,326 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:03,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:03,327 INFO L85 PathProgramCache]: Analyzing trace with hash 920704793, now seen corresponding path program 1 times [2022-10-17 10:27:03,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:03,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959833295] [2022-10-17 10:27:03,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:03,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:27:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:27:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:27:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:27:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:03,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:03,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959833295] [2022-10-17 10:27:03,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959833295] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:03,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:03,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:27:03,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61632370] [2022-10-17 10:27:03,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:03,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:27:03,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:03,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:27:03,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:27:03,447 INFO L87 Difference]: Start difference. First operand 296 states and 361 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:27:03,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:03,646 INFO L93 Difference]: Finished difference Result 538 states and 664 transitions. [2022-10-17 10:27:03,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:27:03,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-10-17 10:27:03,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:03,651 INFO L225 Difference]: With dead ends: 538 [2022-10-17 10:27:03,651 INFO L226 Difference]: Without dead ends: 297 [2022-10-17 10:27:03,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:27:03,653 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 138 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:03,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 302 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:27:03,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-10-17 10:27:03,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2022-10-17 10:27:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 228 states have (on average 1.2324561403508771) internal successors, (281), 242 states have internal predecessors, (281), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-10-17 10:27:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 357 transitions. [2022-10-17 10:27:03,692 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 357 transitions. Word has length 50 [2022-10-17 10:27:03,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:03,692 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 357 transitions. [2022-10-17 10:27:03,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:27:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 357 transitions. [2022-10-17 10:27:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 10:27:03,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:03,694 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:03,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-17 10:27:03,694 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:03,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1139559511, now seen corresponding path program 1 times [2022-10-17 10:27:03,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:03,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499520594] [2022-10-17 10:27:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:27:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:27:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:27:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:27:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:03,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:03,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499520594] [2022-10-17 10:27:03,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499520594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:03,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:03,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:27:03,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163982420] [2022-10-17 10:27:03,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:03,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:27:03,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:03,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:27:03,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:27:03,865 INFO L87 Difference]: Start difference. First operand 293 states and 357 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:27:04,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:04,092 INFO L93 Difference]: Finished difference Result 509 states and 626 transitions. [2022-10-17 10:27:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-17 10:27:04,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-10-17 10:27:04,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:04,095 INFO L225 Difference]: With dead ends: 509 [2022-10-17 10:27:04,095 INFO L226 Difference]: Without dead ends: 271 [2022-10-17 10:27:04,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:27:04,097 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 126 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:04,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 383 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:27:04,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-10-17 10:27:04,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2022-10-17 10:27:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 209 states have (on average 1.229665071770335) internal successors, (257), 222 states have internal predecessors, (257), 29 states have call successors, (29), 25 states have call predecessors, (29), 28 states have return successors, (37), 28 states have call predecessors, (37), 29 states have call successors, (37) [2022-10-17 10:27:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 323 transitions. [2022-10-17 10:27:04,129 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 323 transitions. Word has length 50 [2022-10-17 10:27:04,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:04,129 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 323 transitions. [2022-10-17 10:27:04,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:27:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 323 transitions. [2022-10-17 10:27:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 10:27:04,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:04,131 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-17 10:27:04,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-17 10:27:04,132 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1869867840, now seen corresponding path program 1 times [2022-10-17 10:27:04,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:04,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954203481] [2022-10-17 10:27:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:04,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:27:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:27:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:04,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:27:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:27:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-17 10:27:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 10:27:04,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:04,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954203481] [2022-10-17 10:27:04,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954203481] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:27:04,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726146518] [2022-10-17 10:27:04,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:04,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:27:04,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:27:04,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:27:04,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:27:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:04,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 10:27:04,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:27:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 10:27:04,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:27:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 10:27:05,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726146518] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:27:05,133 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:27:05,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 17 [2022-10-17 10:27:05,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595084317] [2022-10-17 10:27:05,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:27:05,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-17 10:27:05,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:05,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-17 10:27:05,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2022-10-17 10:27:05,136 INFO L87 Difference]: Start difference. First operand 267 states and 323 transitions. Second operand has 17 states, 17 states have (on average 7.0) internal successors, (119), 13 states have internal predecessors, (119), 6 states have call successors, (17), 9 states have call predecessors, (17), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-10-17 10:27:06,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:06,116 INFO L93 Difference]: Finished difference Result 546 states and 704 transitions. [2022-10-17 10:27:06,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-17 10:27:06,117 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.0) internal successors, (119), 13 states have internal predecessors, (119), 6 states have call successors, (17), 9 states have call predecessors, (17), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 79 [2022-10-17 10:27:06,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:06,118 INFO L225 Difference]: With dead ends: 546 [2022-10-17 10:27:06,119 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:27:06,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 166 SyntacticMatches, 7 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=628, Invalid=1442, Unknown=0, NotChecked=0, Total=2070 [2022-10-17 10:27:06,122 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 618 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:06,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 592 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-17 10:27:06,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:27:06,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:27:06,124 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) [2022-10-17 10:27:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:27:06,125 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2022-10-17 10:27:06,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:06,126 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:27:06,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.0) internal successors, (119), 13 states have internal predecessors, (119), 6 states have call successors, (17), 9 states have call predecessors, (17), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-10-17 10:27:06,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:27:06,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:27:06,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:27:06,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:27:06,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:27:06,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:27:09,118 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 88 94) no Hoare annotation was computed. [2022-10-17 10:27:09,118 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 88 94) the Hoare annotation is: true [2022-10-17 10:27:09,118 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: true [2022-10-17 10:27:09,118 INFO L899 garLoopResultBuilder]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2022-10-17 10:27:09,118 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2022-10-17 10:27:09,118 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 870 899) no Hoare annotation was computed. [2022-10-17 10:27:09,118 INFO L902 garLoopResultBuilder]: At program point L895(lines 870 899) the Hoare annotation is: true [2022-10-17 10:27:09,119 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 870 899) the Hoare annotation is: true [2022-10-17 10:27:09,119 INFO L899 garLoopResultBuilder]: For program point L891(line 891) no Hoare annotation was computed. [2022-10-17 10:27:09,119 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2022-10-17 10:27:09,119 INFO L902 garLoopResultBuilder]: At program point L884-1(lines 884 888) the Hoare annotation is: true [2022-10-17 10:27:09,119 INFO L899 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2022-10-17 10:27:09,119 INFO L902 garLoopResultBuilder]: At program point L880-2(lines 880 894) the Hoare annotation is: true [2022-10-17 10:27:09,119 INFO L902 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: true [2022-10-17 10:27:09,119 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-10-17 10:27:09,119 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2022-10-17 10:27:09,119 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2022-10-17 10:27:09,119 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2022-10-17 10:27:09,120 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 143) no Hoare annotation was computed. [2022-10-17 10:27:09,120 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 357) no Hoare annotation was computed. [2022-10-17 10:27:09,120 INFO L899 garLoopResultBuilder]: For program point L969(line 969) no Hoare annotation was computed. [2022-10-17 10:27:09,120 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 64 87) no Hoare annotation was computed. [2022-10-17 10:27:09,122 INFO L895 garLoopResultBuilder]: At program point L160(lines 155 162) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:27:09,123 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 251) no Hoare annotation was computed. [2022-10-17 10:27:09,123 INFO L899 garLoopResultBuilder]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2022-10-17 10:27:09,123 INFO L895 garLoopResultBuilder]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 (and (<= 2 ~waterLevel~0) .cse2 .cse6) .cse7)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse5 (= |timeShift_getWaterLevel_#res#1| 1)) (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse5 (and .cse1 (= |timeShift_processEnvironment_~tmp~1#1| 0) .cse8 .cse3 .cse6) (not (= |old(~pumpRunning~0)| 1)) (and .cse0 .cse1 .cse8 .cse3) .cse7)))) [2022-10-17 10:27:09,133 INFO L895 garLoopResultBuilder]: At program point L970(lines 965 972) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:27:09,133 INFO L895 garLoopResultBuilder]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (= |timeShift_processEnvironment_~tmp~1#1| 0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:27:09,133 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 353) no Hoare annotation was computed. [2022-10-17 10:27:09,133 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 356) no Hoare annotation was computed. [2022-10-17 10:27:09,134 INFO L895 garLoopResultBuilder]: At program point L343-1(lines 328 360) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 (= |timeShift_processEnvironment_~tmp~1#1| 0) .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse0 .cse6) (not (= |old(~pumpRunning~0)| 0)) .cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse2) .cse5)))) [2022-10-17 10:27:09,134 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2022-10-17 10:27:09,134 INFO L895 garLoopResultBuilder]: At program point L335(line 335) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 (= |timeShift_processEnvironment_~tmp~1#1| 0) .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (or .cse6 .cse3 .cse5 (and .cse7 .cse2) (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 (and .cse4 .cse7) .cse3))) [2022-10-17 10:27:09,134 INFO L895 garLoopResultBuilder]: At program point L368-2(lines 364 375) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:27:09,134 INFO L899 garLoopResultBuilder]: For program point L335-1(line 335) no Hoare annotation was computed. [2022-10-17 10:27:09,134 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2022-10-17 10:27:09,135 INFO L895 garLoopResultBuilder]: At program point L141-1(lines 122 146) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 (= |timeShift_processEnvironment_~tmp~1#1| 0) .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (or .cse6 .cse3 .cse5 (and .cse7 .cse2) (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 (and .cse4 .cse7) .cse3))) [2022-10-17 10:27:09,135 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-10-17 10:27:09,135 INFO L895 garLoopResultBuilder]: At program point L253(lines 238 256) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:27:09,135 INFO L895 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= |timeShift_isPumpRunning_#res#1| 1) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1)) .cse1))) [2022-10-17 10:27:09,135 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 64 87) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (and .cse0 (= ~pumpRunning~0 1))))) [2022-10-17 10:27:09,136 INFO L895 garLoopResultBuilder]: At program point L460(lines 455 463) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:27:09,136 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 64 87) no Hoare annotation was computed. [2022-10-17 10:27:09,136 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2022-10-17 10:27:09,136 INFO L899 garLoopResultBuilder]: For program point L68-1(lines 67 86) no Hoare annotation was computed. [2022-10-17 10:27:09,136 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 138) no Hoare annotation was computed. [2022-10-17 10:27:09,136 INFO L902 garLoopResultBuilder]: At program point L320(lines 261 324) the Hoare annotation is: true [2022-10-17 10:27:09,137 INFO L902 garLoopResultBuilder]: At program point L960(lines 941 963) the Hoare annotation is: true [2022-10-17 10:27:09,137 INFO L895 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3))) [2022-10-17 10:27:09,137 INFO L895 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:27:09,137 INFO L895 garLoopResultBuilder]: At program point L490(lines 486 492) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:27:09,137 INFO L895 garLoopResultBuilder]: At program point L928(lines 924 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)) [2022-10-17 10:27:09,137 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:27:09,137 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:27:09,138 INFO L895 garLoopResultBuilder]: At program point L317(lines 270 318) the Hoare annotation is: false [2022-10-17 10:27:09,138 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:27:09,138 INFO L899 garLoopResultBuilder]: For program point L272(lines 271 316) no Hoare annotation was computed. [2022-10-17 10:27:09,138 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 312) no Hoare annotation was computed. [2022-10-17 10:27:09,138 INFO L895 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-10-17 10:27:09,138 INFO L895 garLoopResultBuilder]: At program point L483(lines 479 485) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:27:09,138 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:27:09,139 INFO L895 garLoopResultBuilder]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3))) [2022-10-17 10:27:09,139 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 287) no Hoare annotation was computed. [2022-10-17 10:27:09,139 INFO L899 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2022-10-17 10:27:09,139 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2022-10-17 10:27:09,139 INFO L902 garLoopResultBuilder]: At program point L938(lines 931 940) the Hoare annotation is: true [2022-10-17 10:27:09,139 INFO L899 garLoopResultBuilder]: For program point L951(lines 951 958) no Hoare annotation was computed. [2022-10-17 10:27:09,139 INFO L899 garLoopResultBuilder]: For program point L951-2(lines 951 958) no Hoare annotation was computed. [2022-10-17 10:27:09,139 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2022-10-17 10:27:09,139 INFO L895 garLoopResultBuilder]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-10-17 10:27:09,140 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2022-10-17 10:27:09,140 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2022-10-17 10:27:09,140 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 96 120) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:27:09,140 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not .cse1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) .cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0))))) [2022-10-17 10:27:09,140 INFO L895 garLoopResultBuilder]: At program point L234(lines 219 237) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|)) .cse1 (and .cse0 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) (not (<= ~waterLevel~0 2)))) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) (not .cse2)))) [2022-10-17 10:27:09,140 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 112) no Hoare annotation was computed. [2022-10-17 10:27:09,140 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 117) no Hoare annotation was computed. [2022-10-17 10:27:09,140 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2022-10-17 10:27:09,140 INFO L899 garLoopResultBuilder]: For program point L228-2(lines 228 232) no Hoare annotation was computed. [2022-10-17 10:27:09,140 INFO L899 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2022-10-17 10:27:09,140 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 96 120) no Hoare annotation was computed. [2022-10-17 10:27:09,141 INFO L895 garLoopResultBuilder]: At program point L152(lines 147 154) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~0#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= ~pumpRunning~0 1)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1))))) [2022-10-17 10:27:09,141 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:27:09,141 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 96 120) no Hoare annotation was computed. [2022-10-17 10:27:09,141 INFO L895 garLoopResultBuilder]: At program point L450(lines 441 454) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse2 (<= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (<= ~waterLevel~0 2)) (and .cse2 .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)))))) [2022-10-17 10:27:09,141 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2022-10-17 10:27:09,141 INFO L899 garLoopResultBuilder]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2022-10-17 10:27:09,141 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 1)) .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-10-17 10:27:09,144 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:09,145 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:27:09,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:27:09 BoogieIcfgContainer [2022-10-17 10:27:09,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:27:09,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:27:09,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:27:09,186 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:27:09,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:26:59" (3/4) ... [2022-10-17 10:27:09,190 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:27:09,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:27:09,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:27:09,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:27:09,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:27:09,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:27:09,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:27:09,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:27:09,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-10-17 10:27:09,212 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:27:09,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:27:09,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:27:09,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:27:09,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:27:09,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:27:09,243 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-10-17 10:27:09,243 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-10-17 10:27:09,244 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) && pumpRunning == 1) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) [2022-10-17 10:27:09,245 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:27:09,245 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && tmp == 0) && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-10-17 10:27:09,246 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && tmp == 0) && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:27:09,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:27:09,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(1 == systemActive) || ((((waterLevel <= 1 && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:27:09,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == 0)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && waterLevel <= 1) && \result == 1)) [2022-10-17 10:27:09,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:27:09,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((\result == 1 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:27:09,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == 0 && 2 <= waterLevel) && tmp == 0) && 1 <= \result) && \result == 0) && 1 <= tmp___0)) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && \result == 0) && tmp___0 == 0)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2022-10-17 10:27:09,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:27:09,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((2 <= waterLevel && tmp == 0) && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= tmp___0) && pumpRunning == 1)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2022-10-17 10:27:09,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:27:09,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:27:09,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:27:09,289 INFO L158 Benchmark]: Toolchain (without parser) took 11220.10ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 54.1MB in the beginning and 92.0MB in the end (delta: -38.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-10-17 10:27:09,290 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 71.4MB in the beginning and 71.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:27:09,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.48ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 53.8MB in the beginning and 82.7MB in the end (delta: -28.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:27:09,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.06ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:27:09,291 INFO L158 Benchmark]: Boogie Preprocessor took 54.66ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:27:09,291 INFO L158 Benchmark]: RCFGBuilder took 690.98ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 59.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:27:09,292 INFO L158 Benchmark]: TraceAbstraction took 9730.72ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 58.7MB in the beginning and 97.3MB in the end (delta: -38.6MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-10-17 10:27:09,292 INFO L158 Benchmark]: Witness Printer took 102.39ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 92.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:27:09,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 71.4MB in the beginning and 71.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.48ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 53.8MB in the beginning and 82.7MB in the end (delta: -28.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.06ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.66ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.98ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 59.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9730.72ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 58.7MB in the beginning and 97.3MB in the end (delta: -38.6MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Witness Printer took 102.39ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 92.0MB 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: 969]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1815 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1787 mSDsluCounter, 3731 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2489 mSDsCounter, 472 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1765 IncrementalHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 472 mSolverCounterUnsat, 1242 mSDtfsCounter, 1765 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 239 SyntacticMatches, 7 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=9, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 49 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 957 PreInvPairs, 1134 NumberOfFragments, 1162 HoareAnnotationTreeSize, 957 FomulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 40 FomulaSimplificationsInter, 5670 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 603 NumberOfCodeBlocks, 603 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 668 ConstructedInterpolants, 0 QuantifiedInterpolants, 1210 SizeOfPredicates, 4 NumberOfNonLiveVariables, 432 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 43/60 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: 122]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && tmp == 0) && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == 0)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && waterLevel <= 1) && \result == 1)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((\result == 1 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == 0 && 2 <= waterLevel) && tmp == 0) && 1 <= \result) && \result == 0) && 1 <= tmp___0)) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && \result == 0) && tmp___0 == 0)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) && pumpRunning == 1) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(1 == systemActive) || ((((waterLevel <= 1 && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((2 <= waterLevel && tmp == 0) && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= tmp___0) && pumpRunning == 1)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && tmp == 0) && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-10-17 10:27:09,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765bacb2-ccee-4975-94d6-1b8296afe05b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE