./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS --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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b --- 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-4e7fbc6 [2022-11-23 03:33:03,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:33:03,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:33:03,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:33:03,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:33:03,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:33:03,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:33:03,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:33:03,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:33:03,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:33:03,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:33:03,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:33:03,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:33:03,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:33:03,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:33:03,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:33:03,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:33:03,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:33:03,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:33:03,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:33:03,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:33:03,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:33:03,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:33:03,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:33:03,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:33:03,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:33:03,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:33:03,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:33:03,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:33:03,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:33:03,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:33:03,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:33:03,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:33:03,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:33:03,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:33:03,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:33:03,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:33:03,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:33:03,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:33:03,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:33:03,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:33:03,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 03:33:03,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:33:03,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:33:03,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:33:03,808 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:33:03,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:33:03,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:33:03,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:33:03,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:33:03,810 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:33:03,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:33:03,811 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:33:03,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:33:03,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:33:03,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:33:03,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:33:03,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:33:03,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:33:03,813 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:33:03,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:33:03,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:33:03,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:33:03,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:33:03,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:33:03,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:33:03,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:33:03,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:33:03,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:33:03,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:33:03,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:33:03,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:33:03,815 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:33:03,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:33:03,816 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:33:03,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:33:03,816 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2022-11-23 03:33:04,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:33:04,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:33:04,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:33:04,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:33:04,108 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:33:04,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2022-11-23 03:33:07,206 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:33:07,524 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:33:07,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2022-11-23 03:33:07,536 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/data/96338c138/93e3e7ce63064d28bd72bbd57d22a946/FLAGdd15fc4d2 [2022-11-23 03:33:07,556 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/data/96338c138/93e3e7ce63064d28bd72bbd57d22a946 [2022-11-23 03:33:07,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:33:07,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:33:07,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:33:07,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:33:07,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:33:07,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:07" (1/1) ... [2022-11-23 03:33:07,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76dbee4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:07, skipping insertion in model container [2022-11-23 03:33:07,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:07" (1/1) ... [2022-11-23 03:33:07,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:33:07,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:33:07,819 WARN L237 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_f274d725-36b7-4618-b813-b518703d90b3/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2022-11-23 03:33:07,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:33:07,935 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:33:07,961 WARN L237 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_f274d725-36b7-4618-b813-b518703d90b3/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2022-11-23 03:33:08,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:33:08,051 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:33:08,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08 WrapperNode [2022-11-23 03:33:08,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:33:08,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:33:08,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:33:08,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:33:08,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,100 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 182 [2022-11-23 03:33:08,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:33:08,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:33:08,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:33:08,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:33:08,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:33:08,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:33:08,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:33:08,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:33:08,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (1/1) ... [2022-11-23 03:33:08,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:33:08,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:33:08,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:33:08,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:33:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:33:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 03:33:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 03:33:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 03:33:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 03:33:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 03:33:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 03:33:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 03:33:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 03:33:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-23 03:33:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-23 03:33:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:33:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 03:33:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 03:33:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:33:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:33:08,385 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:33:08,387 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:33:08,736 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:33:08,743 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:33:08,743 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:33:08,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:08 BoogieIcfgContainer [2022-11-23 03:33:08,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:33:08,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:33:08,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:33:08,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:33:08,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:33:07" (1/3) ... [2022-11-23 03:33:08,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2d68eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:33:08, skipping insertion in model container [2022-11-23 03:33:08,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08" (2/3) ... [2022-11-23 03:33:08,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2d68eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:33:08, skipping insertion in model container [2022-11-23 03:33:08,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:08" (3/3) ... [2022-11-23 03:33:08,773 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2022-11-23 03:33:08,796 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:33:08,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:33:08,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:33:08,885 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;@6812026a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:33:08,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:33:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 03:33:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-23 03:33:08,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:08,910 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:08,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:08,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:08,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1797931529, now seen corresponding path program 1 times [2022-11-23 03:33:08,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:08,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363757879] [2022-11-23 03:33:08,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:08,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 03:33:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-23 03:33:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:33:09,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:09,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363757879] [2022-11-23 03:33:09,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363757879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:09,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:09,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:33:09,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359954879] [2022-11-23 03:33:09,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:09,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:33:09,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:09,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:33:09,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:33:09,212 INFO L87 Difference]: Start difference. First operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 03:33:09,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:09,248 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2022-11-23 03:33:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:33:09,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-23 03:33:09,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:09,261 INFO L225 Difference]: With dead ends: 161 [2022-11-23 03:33:09,262 INFO L226 Difference]: Without dead ends: 76 [2022-11-23 03:33:09,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:33:09,270 INFO L413 NwaCegarLoop]: 106 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, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:09,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:33:09,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-23 03:33:09,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-23 03:33:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3) internal successors, (78), 65 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-23 03:33:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-11-23 03:33:09,357 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 32 [2022-11-23 03:33:09,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:09,358 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-11-23 03:33:09,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 03:33:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-11-23 03:33:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 03:33:09,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:09,371 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:09,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:33:09,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:09,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:09,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1521544977, now seen corresponding path program 1 times [2022-11-23 03:33:09,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:09,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270043793] [2022-11-23 03:33:09,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:09,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:33:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:33:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:33:09,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:09,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270043793] [2022-11-23 03:33:09,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270043793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:09,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:09,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:33:09,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955660214] [2022-11-23 03:33:09,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:09,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:33:09,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:09,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:33:09,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:33:09,623 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 03:33:09,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:09,660 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2022-11-23 03:33:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:33:09,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-23 03:33:09,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:09,667 INFO L225 Difference]: With dead ends: 112 [2022-11-23 03:33:09,668 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 03:33:09,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:33:09,671 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 18 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:09,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:33:09,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 03:33:09,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 03:33:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 59 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-23 03:33:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-11-23 03:33:09,685 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 33 [2022-11-23 03:33:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:09,686 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-11-23 03:33:09,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 03:33:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-11-23 03:33:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-23 03:33:09,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:09,693 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:09,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:33:09,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:09,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:09,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1250979301, now seen corresponding path program 1 times [2022-11-23 03:33:09,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:09,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370101801] [2022-11-23 03:33:09,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-23 03:33:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 03:33:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:33:09,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:09,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370101801] [2022-11-23 03:33:09,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370101801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:09,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:09,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:33:09,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946564700] [2022-11-23 03:33:09,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:09,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:33:09,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:09,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:33:09,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:33:09,877 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:09,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:09,943 INFO L93 Difference]: Finished difference Result 183 states and 238 transitions. [2022-11-23 03:33:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:33:09,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-23 03:33:09,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:09,946 INFO L225 Difference]: With dead ends: 183 [2022-11-23 03:33:09,946 INFO L226 Difference]: Without dead ends: 124 [2022-11-23 03:33:09,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:33:09,949 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 58 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:09,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 176 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:33:09,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-23 03:33:09,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 119. [2022-11-23 03:33:09,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 103 states have internal predecessors, (126), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 03:33:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 154 transitions. [2022-11-23 03:33:09,969 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 154 transitions. Word has length 38 [2022-11-23 03:33:09,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:09,970 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 154 transitions. [2022-11-23 03:33:09,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 154 transitions. [2022-11-23 03:33:09,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-23 03:33:09,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:09,972 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:09,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:33:09,973 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:09,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:09,973 INFO L85 PathProgramCache]: Analyzing trace with hash 177136733, now seen corresponding path program 1 times [2022-11-23 03:33:09,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:09,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331852712] [2022-11-23 03:33:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:09,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 03:33:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 03:33:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 03:33:10,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:10,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331852712] [2022-11-23 03:33:10,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331852712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:10,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:10,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:33:10,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373962236] [2022-11-23 03:33:10,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:10,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:33:10,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:10,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:33:10,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:33:10,159 INFO L87 Difference]: Start difference. First operand 119 states and 154 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:10,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:10,313 INFO L93 Difference]: Finished difference Result 324 states and 428 transitions. [2022-11-23 03:33:10,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:33:10,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-23 03:33:10,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:10,316 INFO L225 Difference]: With dead ends: 324 [2022-11-23 03:33:10,316 INFO L226 Difference]: Without dead ends: 213 [2022-11-23 03:33:10,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:33:10,321 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 66 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:10,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 408 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:33:10,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-11-23 03:33:10,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 201. [2022-11-23 03:33:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 156 states have (on average 1.3012820512820513) internal successors, (203), 167 states have internal predecessors, (203), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-11-23 03:33:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 255 transitions. [2022-11-23 03:33:10,353 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 255 transitions. Word has length 41 [2022-11-23 03:33:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:10,354 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 255 transitions. [2022-11-23 03:33:10,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 255 transitions. [2022-11-23 03:33:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-23 03:33:10,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:10,356 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:10,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:33:10,357 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:10,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:10,357 INFO L85 PathProgramCache]: Analyzing trace with hash -413128686, now seen corresponding path program 1 times [2022-11-23 03:33:10,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:10,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346966181] [2022-11-23 03:33:10,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:10,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-23 03:33:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 03:33:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:33:10,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:10,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346966181] [2022-11-23 03:33:10,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346966181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:10,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:10,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:33:10,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965610365] [2022-11-23 03:33:10,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:10,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:33:10,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:10,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:33:10,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:33:10,472 INFO L87 Difference]: Start difference. First operand 201 states and 255 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:10,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:10,526 INFO L93 Difference]: Finished difference Result 431 states and 556 transitions. [2022-11-23 03:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:33:10,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2022-11-23 03:33:10,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:10,529 INFO L225 Difference]: With dead ends: 431 [2022-11-23 03:33:10,530 INFO L226 Difference]: Without dead ends: 238 [2022-11-23 03:33:10,531 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 [2022-11-23 03:33:10,532 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 40 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:10,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 366 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:33:10,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-11-23 03:33:10,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 207. [2022-11-23 03:33:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 162 states have (on average 1.2901234567901234) internal successors, (209), 173 states have internal predecessors, (209), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-11-23 03:33:10,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 261 transitions. [2022-11-23 03:33:10,570 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 261 transitions. Word has length 47 [2022-11-23 03:33:10,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:10,570 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 261 transitions. [2022-11-23 03:33:10,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 261 transitions. [2022-11-23 03:33:10,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-23 03:33:10,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:10,581 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:10,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:33:10,581 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:10,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:10,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2001476588, now seen corresponding path program 1 times [2022-11-23 03:33:10,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:10,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497024658] [2022-11-23 03:33:10,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-23 03:33:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 03:33:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:33:10,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:10,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497024658] [2022-11-23 03:33:10,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497024658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:10,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:10,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:33:10,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577174355] [2022-11-23 03:33:10,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:10,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:33:10,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:10,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:33:10,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:33:10,716 INFO L87 Difference]: Start difference. First operand 207 states and 261 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:10,773 INFO L93 Difference]: Finished difference Result 438 states and 564 transitions. [2022-11-23 03:33:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:33:10,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2022-11-23 03:33:10,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:10,776 INFO L225 Difference]: With dead ends: 438 [2022-11-23 03:33:10,777 INFO L226 Difference]: Without dead ends: 239 [2022-11-23 03:33:10,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:33:10,785 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 27 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:10,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 262 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:33:10,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-23 03:33:10,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 211. [2022-11-23 03:33:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 166 states have (on average 1.283132530120482) internal successors, (213), 177 states have internal predecessors, (213), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-11-23 03:33:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 265 transitions. [2022-11-23 03:33:10,826 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 265 transitions. Word has length 47 [2022-11-23 03:33:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:10,826 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 265 transitions. [2022-11-23 03:33:10,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 265 transitions. [2022-11-23 03:33:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-23 03:33:10,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:10,828 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:10,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:33:10,829 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:10,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash 604546966, now seen corresponding path program 1 times [2022-11-23 03:33:10,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:10,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454369485] [2022-11-23 03:33:10,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:10,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-23 03:33:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 03:33:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:33:10,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:10,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454369485] [2022-11-23 03:33:10,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454369485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:10,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:10,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:33:10,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463168410] [2022-11-23 03:33:10,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:10,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:33:10,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:10,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:33:10,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:33:10,915 INFO L87 Difference]: Start difference. First operand 211 states and 265 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:10,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:10,956 INFO L93 Difference]: Finished difference Result 508 states and 643 transitions. [2022-11-23 03:33:10,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:33:10,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2022-11-23 03:33:10,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:10,962 INFO L225 Difference]: With dead ends: 508 [2022-11-23 03:33:10,962 INFO L226 Difference]: Without dead ends: 305 [2022-11-23 03:33:10,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:33:10,967 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 39 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:10,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 161 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:33:10,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-11-23 03:33:11,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2022-11-23 03:33:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 240 states have (on average 1.25) internal successors, (300), 253 states have internal predecessors, (300), 36 states have call successors, (36), 30 states have call predecessors, (36), 28 states have return successors, (40), 34 states have call predecessors, (40), 36 states have call successors, (40) [2022-11-23 03:33:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 376 transitions. [2022-11-23 03:33:11,011 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 376 transitions. Word has length 47 [2022-11-23 03:33:11,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:11,012 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 376 transitions. [2022-11-23 03:33:11,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 03:33:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 376 transitions. [2022-11-23 03:33:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-23 03:33:11,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:11,017 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:11,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 03:33:11,017 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:11,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:11,019 INFO L85 PathProgramCache]: Analyzing trace with hash -542316420, now seen corresponding path program 1 times [2022-11-23 03:33:11,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:11,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596202875] [2022-11-23 03:33:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:11,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:33:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-23 03:33:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 03:33:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:33:11,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:11,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596202875] [2022-11-23 03:33:11,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596202875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:11,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:11,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 03:33:11,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20266591] [2022-11-23 03:33:11,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:11,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 03:33:11,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:11,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 03:33:11,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:33:11,244 INFO L87 Difference]: Start difference. First operand 305 states and 376 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 03:33:11,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:11,750 INFO L93 Difference]: Finished difference Result 1038 states and 1325 transitions. [2022-11-23 03:33:11,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 03:33:11,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2022-11-23 03:33:11,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:11,758 INFO L225 Difference]: With dead ends: 1038 [2022-11-23 03:33:11,758 INFO L226 Difference]: Without dead ends: 835 [2022-11-23 03:33:11,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-23 03:33:11,761 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 228 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:11,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 656 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 03:33:11,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-11-23 03:33:11,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 771. [2022-11-23 03:33:11,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 610 states have (on average 1.2327868852459016) internal successors, (752), 647 states have internal predecessors, (752), 88 states have call successors, (88), 66 states have call predecessors, (88), 72 states have return successors, (108), 84 states have call predecessors, (108), 88 states have call successors, (108) [2022-11-23 03:33:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 948 transitions. [2022-11-23 03:33:11,859 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 948 transitions. Word has length 51 [2022-11-23 03:33:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:11,859 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 948 transitions. [2022-11-23 03:33:11,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 03:33:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 948 transitions. [2022-11-23 03:33:11,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-23 03:33:11,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:11,862 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 03:33:11,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 03:33:11,863 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:11,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:11,863 INFO L85 PathProgramCache]: Analyzing trace with hash 8311452, now seen corresponding path program 1 times [2022-11-23 03:33:11,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:11,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146262514] [2022-11-23 03:33:11,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:11,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:33:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-23 03:33:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:33:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-23 03:33:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-23 03:33:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 03:33:11,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:11,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146262514] [2022-11-23 03:33:11,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146262514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:33:11,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:33:11,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:33:11,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553703458] [2022-11-23 03:33:11,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:33:11,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:33:11,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:11,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:33:11,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:33:11,979 INFO L87 Difference]: Start difference. First operand 771 states and 948 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-23 03:33:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:12,233 INFO L93 Difference]: Finished difference Result 1319 states and 1618 transitions. [2022-11-23 03:33:12,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:33:12,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 81 [2022-11-23 03:33:12,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:12,237 INFO L225 Difference]: With dead ends: 1319 [2022-11-23 03:33:12,237 INFO L226 Difference]: Without dead ends: 556 [2022-11-23 03:33:12,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:33:12,240 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 179 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:12,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 296 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:33:12,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-11-23 03:33:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 540. [2022-11-23 03:33:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 426 states have (on average 1.2183098591549295) internal successors, (519), 452 states have internal predecessors, (519), 62 states have call successors, (62), 48 states have call predecessors, (62), 51 states have return successors, (72), 59 states have call predecessors, (72), 62 states have call successors, (72) [2022-11-23 03:33:12,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 653 transitions. [2022-11-23 03:33:12,353 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 653 transitions. Word has length 81 [2022-11-23 03:33:12,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:12,353 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 653 transitions. [2022-11-23 03:33:12,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-23 03:33:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 653 transitions. [2022-11-23 03:33:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-23 03:33:12,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:12,355 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:12,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 03:33:12,356 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:12,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:12,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1954817075, now seen corresponding path program 1 times [2022-11-23 03:33:12,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:12,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218952218] [2022-11-23 03:33:12,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:12,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:33:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:33:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:33:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 03:33:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-23 03:33:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:12,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-23 03:33:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 03:33:12,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:12,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218952218] [2022-11-23 03:33:12,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218952218] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:33:12,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709724785] [2022-11-23 03:33:12,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:12,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:33:12,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:33:12,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:33:12,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 03:33:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:12,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 03:33:12,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:33:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:33:12,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:33:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 03:33:13,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709724785] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:33:13,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 03:33:13,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2022-11-23 03:33:13,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429906683] [2022-11-23 03:33:13,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 03:33:13,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-23 03:33:13,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:13,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 03:33:13,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-23 03:33:13,060 INFO L87 Difference]: Start difference. First operand 540 states and 653 transitions. Second operand has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2022-11-23 03:33:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:14,234 INFO L93 Difference]: Finished difference Result 1139 states and 1413 transitions. [2022-11-23 03:33:14,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 03:33:14,236 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) Word has length 83 [2022-11-23 03:33:14,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:14,239 INFO L225 Difference]: With dead ends: 1139 [2022-11-23 03:33:14,239 INFO L226 Difference]: Without dead ends: 686 [2022-11-23 03:33:14,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 179 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=393, Invalid=1499, Unknown=0, NotChecked=0, Total=1892 [2022-11-23 03:33:14,243 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 373 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:14,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1026 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 03:33:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-11-23 03:33:14,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 580. [2022-11-23 03:33:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 449 states have (on average 1.2026726057906458) internal successors, (540), 479 states have internal predecessors, (540), 71 states have call successors, (71), 60 states have call predecessors, (71), 59 states have return successors, (77), 62 states have call predecessors, (77), 71 states have call successors, (77) [2022-11-23 03:33:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 688 transitions. [2022-11-23 03:33:14,311 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 688 transitions. Word has length 83 [2022-11-23 03:33:14,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:14,312 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 688 transitions. [2022-11-23 03:33:14,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2022-11-23 03:33:14,313 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 688 transitions. [2022-11-23 03:33:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-23 03:33:14,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:33:14,322 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-23 03:33:14,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:33:14,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 03:33:14,529 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:33:14,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:33:14,530 INFO L85 PathProgramCache]: Analyzing trace with hash 57448184, now seen corresponding path program 1 times [2022-11-23 03:33:14,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:33:14,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043573651] [2022-11-23 03:33:14,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:14,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:33:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:33:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:33:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:33:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 03:33:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:33:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:33:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-23 03:33:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:33:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:33:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 03:33:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:33:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-23 03:33:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-23 03:33:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 119 proven. 8 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-23 03:33:14,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:33:14,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043573651] [2022-11-23 03:33:14,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043573651] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:33:14,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755412770] [2022-11-23 03:33:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:33:14,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:33:14,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:33:14,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:33:14,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 03:33:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:33:15,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 03:33:15,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:33:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-23 03:33:15,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:33:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 114 proven. 61 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-23 03:33:15,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755412770] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:33:15,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 03:33:15,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-11-23 03:33:15,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432790183] [2022-11-23 03:33:15,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 03:33:15,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-23 03:33:15,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:33:15,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-23 03:33:15,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-11-23 03:33:15,885 INFO L87 Difference]: Start difference. First operand 580 states and 688 transitions. Second operand has 25 states, 25 states have (on average 8.8) internal successors, (220), 22 states have internal predecessors, (220), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (24), 8 states have call predecessors, (24), 9 states have call successors, (24) [2022-11-23 03:33:16,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:33:16,733 INFO L93 Difference]: Finished difference Result 1348 states and 1641 transitions. [2022-11-23 03:33:16,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 03:33:16,734 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.8) internal successors, (220), 22 states have internal predecessors, (220), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (24), 8 states have call predecessors, (24), 9 states have call successors, (24) Word has length 178 [2022-11-23 03:33:16,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:33:16,735 INFO L225 Difference]: With dead ends: 1348 [2022-11-23 03:33:16,735 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 03:33:16,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 372 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=1283, Unknown=0, NotChecked=0, Total=1640 [2022-11-23 03:33:16,739 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 558 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 03:33:16,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1115 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 03:33:16,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 03:33:16,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 03:33:16,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:33:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 03:33:16,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2022-11-23 03:33:16,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:33:16,741 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:33:16,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.8) internal successors, (220), 22 states have internal predecessors, (220), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (24), 8 states have call predecessors, (24), 9 states have call successors, (24) [2022-11-23 03:33:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:33:16,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 03:33:16,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 03:33:16,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:33:16,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 03:33:16,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 03:33:24,226 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 140 146) no Hoare annotation was computed. [2022-11-23 03:33:24,226 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 140 146) the Hoare annotation is: true [2022-11-23 03:33:24,226 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 900 911) the Hoare annotation is: true [2022-11-23 03:33:24,226 INFO L899 garLoopResultBuilder]: For program point L904-1(lines 900 911) no Hoare annotation was computed. [2022-11-23 03:33:24,226 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 900 911) no Hoare annotation was computed. [2022-11-23 03:33:24,227 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 727 756) no Hoare annotation was computed. [2022-11-23 03:33:24,227 INFO L902 garLoopResultBuilder]: At program point L737-2(lines 737 751) the Hoare annotation is: true [2022-11-23 03:33:24,227 INFO L902 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: true [2022-11-23 03:33:24,227 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 727 756) the Hoare annotation is: true [2022-11-23 03:33:24,227 INFO L899 garLoopResultBuilder]: For program point L733-1(line 733) no Hoare annotation was computed. [2022-11-23 03:33:24,227 INFO L902 garLoopResultBuilder]: At program point L752(lines 727 756) the Hoare annotation is: true [2022-11-23 03:33:24,227 INFO L899 garLoopResultBuilder]: For program point L748(line 748) no Hoare annotation was computed. [2022-11-23 03:33:24,227 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2022-11-23 03:33:24,227 INFO L902 garLoopResultBuilder]: At program point L741-1(lines 741 745) the Hoare annotation is: true [2022-11-23 03:33:24,227 INFO L899 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2022-11-23 03:33:24,228 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 258) no Hoare annotation was computed. [2022-11-23 03:33:24,228 INFO L895 garLoopResultBuilder]: At program point L93(lines 88 95) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1))) [2022-11-23 03:33:24,228 INFO L899 garLoopResultBuilder]: For program point L254-2(lines 254 258) no Hoare annotation was computed. [2022-11-23 03:33:24,228 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2022-11-23 03:33:24,228 INFO L895 garLoopResultBuilder]: At program point L841(lines 834 843) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse6 (<= 1 ~switchedOnBeforeTS~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5 .cse3) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0)))))) [2022-11-23 03:33:24,229 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 113 139) no Hoare annotation was computed. [2022-11-23 03:33:24,229 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 127 133) no Hoare annotation was computed. [2022-11-23 03:33:24,229 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2022-11-23 03:33:24,229 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 164) no Hoare annotation was computed. [2022-11-23 03:33:24,229 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 169) no Hoare annotation was computed. [2022-11-23 03:33:24,229 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse14 (<= ~waterLevel~0 1)) (.cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| ~waterLevel~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (= ~pumpRunning~0 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (and .cse4 .cse5 .cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse6 .cse8)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (< 1 |old(~waterLevel~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9) (or .cse10 .cse1 .cse11 .cse12) (or .cse0 .cse10 .cse1 (and (= |timeShift_processEnvironment_~tmp~0#1| 0) .cse13 .cse5 .cse6 .cse7)) (or .cse10 .cse12 (and .cse13 .cse5 .cse14 .cse6 .cse7) (not (= 0 ~systemActive~0))) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse9) (or .cse1 .cse2 .cse11 (= ~waterLevel~0 1) .cse12)))) [2022-11-23 03:33:24,230 INFO L895 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse11 (<= 1 ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse9 (= 1 ~systemActive~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse7 (= |timeShift_processEnvironment_~tmp~0#1| 0)) (.cse1 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse14 (and .cse11 .cse8 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse15)) (.cse16 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (not .cse9)) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse5 .cse3 .cse6 (and .cse7 .cse0 .cse8 .cse9 .cse2)) (or .cse3 .cse6 .cse10 (and .cse7 .cse0 .cse1 .cse9 .cse2) (and .cse11 .cse1 .cse2) .cse12) (or .cse6 .cse13 .cse14 (and .cse11 .cse8 .cse2 .cse15) .cse12 .cse16) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse13 .cse14 .cse16) (or .cse5 .cse3 (and .cse0 .cse8 .cse2) .cse4) (or .cse6 .cse13 .cse10 .cse12 (and .cse11 .cse8 (= ~waterLevel~0 1) .cse15))))) [2022-11-23 03:33:24,230 INFO L899 garLoopResultBuilder]: For program point L854-1(line 854) no Hoare annotation was computed. [2022-11-23 03:33:24,230 INFO L895 garLoopResultBuilder]: At program point L260(lines 245 263) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 0) .cse4)) (or .cse1 .cse5 (not (= 0 ~systemActive~0))) (or .cse1 (and .cse3 .cse4) .cse2 (not (= |old(~waterLevel~0)| 2))) (or .cse2 .cse6 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or .cse0 .cse2 .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-23 03:33:24,230 INFO L895 garLoopResultBuilder]: At program point L962(lines 953 966) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse2 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse3 .cse4) (and .cse3 (= 2 ~waterLevel~0) .cse4) .cse1)) (or .cse2 .cse5 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-23 03:33:24,230 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 126) no Hoare annotation was computed. [2022-11-23 03:33:24,231 INFO L899 garLoopResultBuilder]: For program point L120-2(lines 116 138) no Hoare annotation was computed. [2022-11-23 03:33:24,231 INFO L895 garLoopResultBuilder]: At program point L178(lines 173 180) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse0 .cse2 .cse1 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-23 03:33:24,231 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 884) no Hoare annotation was computed. [2022-11-23 03:33:24,231 INFO L895 garLoopResultBuilder]: At program point L880-2(lines 876 887) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and .cse4 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse8)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse5) .cse6 .cse2 .cse3) (or .cse7 .cse6 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse7 .cse0 .cse6) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse6)))) [2022-11-23 03:33:24,231 INFO L895 garLoopResultBuilder]: At program point L839(line 839) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse9)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or .cse0 .cse7 .cse1 .cse8) (or .cse7 .cse2 .cse4 (and .cse5 .cse6 .cse9) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse8)))) [2022-11-23 03:33:24,232 INFO L899 garLoopResultBuilder]: For program point L839-1(line 839) no Hoare annotation was computed. [2022-11-23 03:33:24,233 INFO L895 garLoopResultBuilder]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse0 .cse2 .cse1 (and (= |timeShift_processEnvironment_~tmp~0#1| 0) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-23 03:33:24,233 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-11-23 03:33:24,233 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 866) no Hoare annotation was computed. [2022-11-23 03:33:24,233 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 869) no Hoare annotation was computed. [2022-11-23 03:33:24,234 INFO L895 garLoopResultBuilder]: At program point L852-1(lines 844 872) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse13 (= |timeShift_processEnvironment_~tmp~0#1| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse3 .cse4 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse6)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 (= ~waterLevel~0 1) .cse6) .cse7) (or .cse8 .cse0 .cse1 .cse9 (and .cse3 .cse4 .cse5 .cse10 .cse6) .cse11) (or .cse8 .cse12 .cse0 (and .cse13 .cse14 .cse4 .cse5 .cse10)) (let ((.cse15 (= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse12 .cse0 (and .cse3 .cse15 .cse5 .cse10) .cse2 .cse7 (and .cse13 .cse14 .cse15 .cse5 .cse10))) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse9 .cse11) (or .cse12 .cse7 (and .cse14 .cse4 .cse5 .cse10) (not (= 0 ~systemActive~0)))))) [2022-11-23 03:33:24,234 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 113 139) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse9)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or .cse0 .cse7 .cse1 .cse8) (or .cse7 .cse2 .cse4 (and .cse5 .cse6 .cse9) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse8)))) [2022-11-23 03:33:24,234 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 113 139) no Hoare annotation was computed. [2022-11-23 03:33:24,234 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2022-11-23 03:33:24,235 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and .cse4 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse8)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse5) .cse6 .cse2 .cse3) (or .cse7 .cse6 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse7 .cse0 .cse6) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse6)))) [2022-11-23 03:33:24,235 INFO L895 garLoopResultBuilder]: At program point L167-1(lines 148 172) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse9 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and .cse4 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse6)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not .cse9)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (and .cse4 .cse5 .cse6) .cse7 .cse2 .cse3) (or .cse8 .cse7 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse8 .cse0 .cse7 (and .cse4 (= 2 ~waterLevel~0) .cse5) (and (= |timeShift_processEnvironment_~tmp~0#1| 0) (= ~pumpRunning~0 0) .cse5)) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse7)))) [2022-11-23 03:33:24,235 INFO L895 garLoopResultBuilder]: At program point L717(lines 666 718) the Hoare annotation is: false [2022-11-23 03:33:24,236 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2022-11-23 03:33:24,236 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 03:33:24,236 INFO L895 garLoopResultBuilder]: At program point L705-2(lines 697 712) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-23 03:33:24,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 03:33:24,236 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 03:33:24,236 INFO L899 garLoopResultBuilder]: For program point L668(lines 667 716) no Hoare annotation was computed. [2022-11-23 03:33:24,237 INFO L895 garLoopResultBuilder]: At program point L284(lines 279 286) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-23 03:33:24,237 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 712) no Hoare annotation was computed. [2022-11-23 03:33:24,237 INFO L895 garLoopResultBuilder]: At program point L276(lines 264 278) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2022-11-23 03:33:24,237 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-23 03:33:24,237 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 274) no Hoare annotation was computed. [2022-11-23 03:33:24,237 INFO L899 garLoopResultBuilder]: For program point L268-2(lines 268 274) no Hoare annotation was computed. [2022-11-23 03:33:24,238 INFO L895 garLoopResultBuilder]: At program point L714(lines 667 716) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse2) (and .cse4 .cse1 .cse6 .cse2) (and .cse0 .cse5 .cse6 .cse2))) [2022-11-23 03:33:24,238 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 683) no Hoare annotation was computed. [2022-11-23 03:33:24,238 INFO L899 garLoopResultBuilder]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2022-11-23 03:33:24,238 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 03:33:24,238 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 673) no Hoare annotation was computed. [2022-11-23 03:33:24,239 INFO L902 garLoopResultBuilder]: At program point L797(lines 789 799) the Hoare annotation is: true [2022-11-23 03:33:24,239 INFO L895 garLoopResultBuilder]: At program point L186(lines 181 188) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (not (= ~switchedOnBeforeTS~0 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3))) [2022-11-23 03:33:24,239 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:33:24,239 INFO L895 garLoopResultBuilder]: At program point L785(lines 781 787) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:33:24,239 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:33:24,239 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 817) no Hoare annotation was computed. [2022-11-23 03:33:24,240 INFO L899 garLoopResultBuilder]: For program point L810-2(lines 810 817) no Hoare annotation was computed. [2022-11-23 03:33:24,240 INFO L895 garLoopResultBuilder]: At program point L831(lines 826 833) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:33:24,240 INFO L902 garLoopResultBuilder]: At program point L819(lines 800 822) the Hoare annotation is: true [2022-11-23 03:33:24,240 INFO L902 garLoopResultBuilder]: At program point L720(lines 657 724) the Hoare annotation is: true [2022-11-23 03:33:24,240 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2022-11-23 03:33:24,240 INFO L899 garLoopResultBuilder]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2022-11-23 03:33:24,241 INFO L895 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse2) (and .cse4 .cse1 .cse6 .cse2) (and .cse0 .cse5 .cse6 .cse2))) [2022-11-23 03:33:24,241 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:33:24,241 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 888 899) no Hoare annotation was computed. [2022-11-23 03:33:24,241 INFO L899 garLoopResultBuilder]: For program point L892-1(lines 888 899) no Hoare annotation was computed. [2022-11-23 03:33:24,242 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 888 899) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse5 .cse4 .cse0 .cse3) (or .cse4 .cse3 (not (<= |old(~waterLevel~0)| 2)) (not (= 0 ~systemActive~0))) (or .cse5 .cse0 .cse1 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-23 03:33:24,242 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 200 208) no Hoare annotation was computed. [2022-11-23 03:33:24,242 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 200 208) the Hoare annotation is: true [2022-11-23 03:33:24,242 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 200 208) no Hoare annotation was computed. [2022-11-23 03:33:24,245 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:33:24,248 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:33:24,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:33:24 BoogieIcfgContainer [2022-11-23 03:33:24,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:33:24,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:33:24,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:33:24,281 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:33:24,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:08" (3/4) ... [2022-11-23 03:33:24,285 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:33:24,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 03:33:24,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 03:33:24,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 03:33:24,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 03:33:24,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 03:33:24,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-23 03:33:24,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-23 03:33:24,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 03:33:24,301 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 03:33:24,301 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:33:24,301 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:33:24,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-11-23 03:33:24,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-11-23 03:33:24,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((tmp == 0 && pumpRunning == 0) && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((1 <= pumpRunning && 2 == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((((tmp == 0 && pumpRunning == 0) && 2 == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) [2022-11-23 03:33:24,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || ((tmp == 0 && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-11-23 03:33:24,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-23 03:33:24,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((tmp == 0 && pumpRunning == 0) && waterLevel == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((((tmp == 0 && pumpRunning == 0) && 2 == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((1 <= pumpRunning && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-11-23 03:33:24,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-23 03:33:24,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-23 03:33:24,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-23 03:33:24,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:33:24,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:33:24,353 INFO L158 Benchmark]: Toolchain (without parser) took 16792.37ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 159.8MB in the beginning and 96.4MB in the end (delta: 63.4MB). Peak memory consumption was 153.4MB. Max. memory is 16.1GB. [2022-11-23 03:33:24,353 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:33:24,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.26ms. Allocated memory is still 192.9MB. Free memory was 159.8MB in the beginning and 141.1MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 03:33:24,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.40ms. Allocated memory is still 192.9MB. Free memory was 141.1MB in the beginning and 138.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:33:24,354 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 192.9MB. Free memory was 138.3MB in the beginning and 136.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:33:24,354 INFO L158 Benchmark]: RCFGBuilder took 630.74ms. Allocated memory is still 192.9MB. Free memory was 136.9MB in the beginning and 120.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:33:24,355 INFO L158 Benchmark]: TraceAbstraction took 15516.98ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 120.1MB in the beginning and 101.6MB in the end (delta: 18.5MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2022-11-23 03:33:24,355 INFO L158 Benchmark]: Witness Printer took 70.99ms. Allocated memory is still 281.0MB. Free memory was 101.6MB in the beginning and 96.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 03:33:24,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.26ms. Allocated memory is still 192.9MB. Free memory was 159.8MB in the beginning and 141.1MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.40ms. Allocated memory is still 192.9MB. Free memory was 141.1MB in the beginning and 138.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 192.9MB. Free memory was 138.3MB in the beginning and 136.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.74ms. Allocated memory is still 192.9MB. Free memory was 136.9MB in the beginning and 120.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 15516.98ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 120.1MB in the beginning and 101.6MB in the end (delta: 18.5MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. * Witness Printer took 70.99ms. Allocated memory is still 281.0MB. Free memory was 101.6MB in the beginning and 96.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: 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 7 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1617 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1586 mSDsluCounter, 4718 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3528 mSDsCounter, 425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1794 IncrementalHoareTripleChecker+Invalid, 2219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 425 mSolverCounterUnsat, 1190 mSDtfsCounter, 1794 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 744 GetRequests, 613 SyntacticMatches, 10 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=771occurred in iteration=8, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 262 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 1570 PreInvPairs, 1815 NumberOfFragments, 2421 HoareAnnotationTreeSize, 1570 FomulaSimplifications, 8190 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 39 FomulaSimplificationsInter, 17664 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 939 NumberOfCodeBlocks, 939 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1185 ConstructedInterpolants, 0 QuantifiedInterpolants, 2510 SizeOfPredicates, 6 NumberOfNonLiveVariables, 868 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 858/961 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: 789]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((tmp == 0 && pumpRunning == 0) && waterLevel == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((((tmp == 0 && pumpRunning == 0) && 2 == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((1 <= pumpRunning && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || ((tmp == 0 && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && 0 == systemActive)) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((tmp == 0 && pumpRunning == 0) && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((1 <= pumpRunning && 2 == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((((tmp == 0 && pumpRunning == 0) && 2 == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 0 && 1 < waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) RESULT: Ultimate proved your program to be correct! [2022-11-23 03:33:24,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f274d725-36b7-4618-b813-b518703d90b3/bin/uautomizer-QkZJyEgLgS/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