./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa --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 e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:44:09,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:44:09,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:44:10,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:44:10,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:44:10,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:44:10,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:44:10,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:44:10,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:44:10,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:44:10,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:44:10,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:44:10,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:44:10,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:44:10,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:44:10,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:44:10,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:44:10,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:44:10,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:44:10,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:44:10,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:44:10,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:44:10,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:44:10,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:44:10,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:44:10,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:44:10,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:44:10,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:44:10,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:44:10,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:44:10,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:44:10,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:44:10,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:44:10,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:44:10,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:44:10,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:44:10,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:44:10,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:44:10,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:44:10,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:44:10,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:44:10,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:44:10,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:44:10,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:44:10,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:44:10,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:44:10,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:44:10,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:44:10,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:44:10,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:44:10,054 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:44:10,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:44:10,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:44:10,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:44:10,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:44:10,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:44:10,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:44:10,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:44:10,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:44:10,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:44:10,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:44:10,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:44:10,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:44:10,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:44:10,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:44:10,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:44:10,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:44:10,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:44:10,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:44:10,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:44:10,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:44:10,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:44:10,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:44:10,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:44:10,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:44:10,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:44:10,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 [2021-12-06 20:44:10,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:44:10,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:44:10,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:44:10,266 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:44:10,267 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:44:10,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-12-06 20:44:10,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/data/76f26a895/4436e6cf5086479c92fdb943ceaa68af/FLAG70751f8d5 [2021-12-06 20:44:10,724 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:44:10,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-12-06 20:44:10,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/data/76f26a895/4436e6cf5086479c92fdb943ceaa68af/FLAG70751f8d5 [2021-12-06 20:44:10,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/data/76f26a895/4436e6cf5086479c92fdb943ceaa68af [2021-12-06 20:44:10,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:44:10,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:44:10,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:44:10,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:44:10,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:44:10,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:44:10" (1/1) ... [2021-12-06 20:44:10,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d667f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:10, skipping insertion in model container [2021-12-06 20:44:10,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:44:10" (1/1) ... [2021-12-06 20:44:10,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:44:10,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:44:10,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-12-06 20:44:10,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:44:10,997 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:44:11,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-12-06 20:44:11,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:44:11,058 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:44:11,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11 WrapperNode [2021-12-06 20:44:11,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:44:11,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:44:11,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:44:11,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:44:11,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,104 INFO L137 Inliner]: procedures = 52, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 229 [2021-12-06 20:44:11,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:44:11,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:44:11,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:44:11,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:44:11,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:44:11,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:44:11,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:44:11,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:44:11,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (1/1) ... [2021-12-06 20:44:11,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:44:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:11,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:11,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:44:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:44:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 20:44:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 20:44:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 20:44:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 20:44:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 20:44:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 20:44:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 20:44:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 20:44:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 20:44:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 20:44:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:44:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 20:44:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 20:44:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:44:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:44:11,242 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:44:11,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:44:11,441 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:44:11,447 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:44:11,448 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 20:44:11,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:44:11 BoogieIcfgContainer [2021-12-06 20:44:11,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:44:11,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:44:11,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:44:11,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:44:11,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:44:10" (1/3) ... [2021-12-06 20:44:11,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3692ef6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:44:11, skipping insertion in model container [2021-12-06 20:44:11,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:11" (2/3) ... [2021-12-06 20:44:11,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3692ef6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:44:11, skipping insertion in model container [2021-12-06 20:44:11,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:44:11" (3/3) ... [2021-12-06 20:44:11,457 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2021-12-06 20:44:11,463 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:44:11,463 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:44:11,498 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:44:11,503 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:44:11,504 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:44:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 65 states have internal predecessors, (83), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 20:44:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 20:44:11,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:11,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:11,523 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:11,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:11,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2051524167, now seen corresponding path program 1 times [2021-12-06 20:44:11,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:11,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336412914] [2021-12-06 20:44:11,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:11,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:44:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:11,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:11,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336412914] [2021-12-06 20:44:11,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336412914] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:11,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:11,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:44:11,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24662949] [2021-12-06 20:44:11,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:11,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 20:44:11,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:11,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 20:44:11,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:44:11,742 INFO L87 Difference]: Start difference. First operand has 76 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 65 states have internal predecessors, (83), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:11,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:11,764 INFO L93 Difference]: Finished difference Result 144 states and 197 transitions. [2021-12-06 20:44:11,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 20:44:11,766 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-06 20:44:11,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:11,773 INFO L225 Difference]: With dead ends: 144 [2021-12-06 20:44:11,773 INFO L226 Difference]: Without dead ends: 67 [2021-12-06 20:44:11,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:44:11,778 INFO L933 BasicCegarLoop]: 95 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, 95 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 [2021-12-06 20:44:11,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:11,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-12-06 20:44:11,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-12-06 20:44:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-06 20:44:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2021-12-06 20:44:11,810 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 25 [2021-12-06 20:44:11,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:11,810 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2021-12-06 20:44:11,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2021-12-06 20:44:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 20:44:11,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:11,813 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:11,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:44:11,813 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:11,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:11,814 INFO L85 PathProgramCache]: Analyzing trace with hash -755812007, now seen corresponding path program 1 times [2021-12-06 20:44:11,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:11,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091119249] [2021-12-06 20:44:11,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:11,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 20:44:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:11,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:11,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091119249] [2021-12-06 20:44:11,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091119249] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:11,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:11,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:44:11,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293426788] [2021-12-06 20:44:11,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:11,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:44:11,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:11,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:44:11,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:44:11,869 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:11,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:11,879 INFO L93 Difference]: Finished difference Result 100 states and 128 transitions. [2021-12-06 20:44:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:44:11,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-06 20:44:11,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:11,881 INFO L225 Difference]: With dead ends: 100 [2021-12-06 20:44:11,881 INFO L226 Difference]: Without dead ends: 58 [2021-12-06 20:44:11,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:44:11,883 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 12 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 130 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 [2021-12-06 20:44:11,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 130 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:11,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-12-06 20:44:11,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-12-06 20:44:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 51 states have internal predecessors, (62), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-06 20:44:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-12-06 20:44:11,890 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 26 [2021-12-06 20:44:11,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:11,890 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-12-06 20:44:11,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2021-12-06 20:44:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 20:44:11,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:11,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:11,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:44:11,892 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:11,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:11,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1418329719, now seen corresponding path program 1 times [2021-12-06 20:44:11,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:11,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419917362] [2021-12-06 20:44:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:11,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 20:44:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:11,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:11,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419917362] [2021-12-06 20:44:11,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419917362] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:11,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:11,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:44:11,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771909554] [2021-12-06 20:44:11,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:11,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:44:11,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:11,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:44:11,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:44:11,958 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:12,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,014 INFO L93 Difference]: Finished difference Result 109 states and 142 transitions. [2021-12-06 20:44:12,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:44:12,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-06 20:44:12,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,015 INFO L225 Difference]: With dead ends: 109 [2021-12-06 20:44:12,015 INFO L226 Difference]: Without dead ends: 58 [2021-12-06 20:44:12,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:44:12,017 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 100 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:12,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 151 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:12,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-12-06 20:44:12,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-12-06 20:44:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-06 20:44:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2021-12-06 20:44:12,025 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 30 [2021-12-06 20:44:12,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,025 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2021-12-06 20:44:12,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2021-12-06 20:44:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 20:44:12,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,026 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:44:12,026 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1398795374, now seen corresponding path program 1 times [2021-12-06 20:44:12,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283574610] [2021-12-06 20:44:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 20:44:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:44:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:12,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:12,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283574610] [2021-12-06 20:44:12,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283574610] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:12,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:12,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:44:12,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189374181] [2021-12-06 20:44:12,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:12,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:44:12,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:12,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:44:12,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:44:12,074 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 20:44:12,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,093 INFO L93 Difference]: Finished difference Result 149 states and 192 transitions. [2021-12-06 20:44:12,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:44:12,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2021-12-06 20:44:12,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,094 INFO L225 Difference]: With dead ends: 149 [2021-12-06 20:44:12,094 INFO L226 Difference]: Without dead ends: 98 [2021-12-06 20:44:12,095 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:44:12,096 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 47 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:12,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 144 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:12,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-12-06 20:44:12,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2021-12-06 20:44:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 75 states have (on average 1.32) internal successors, (99), 81 states have internal predecessors, (99), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2021-12-06 20:44:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 121 transitions. [2021-12-06 20:44:12,109 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 121 transitions. Word has length 35 [2021-12-06 20:44:12,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,109 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 121 transitions. [2021-12-06 20:44:12,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 20:44:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 121 transitions. [2021-12-06 20:44:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-06 20:44:12,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,111 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:44:12,111 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,111 INFO L85 PathProgramCache]: Analyzing trace with hash -2080139765, now seen corresponding path program 1 times [2021-12-06 20:44:12,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006062883] [2021-12-06 20:44:12,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 20:44:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:12,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:12,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006062883] [2021-12-06 20:44:12,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006062883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:12,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:12,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:44:12,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695906948] [2021-12-06 20:44:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:12,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:44:12,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:12,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:44:12,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:44:12,170 INFO L87 Difference]: Start difference. First operand 96 states and 121 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,196 INFO L93 Difference]: Finished difference Result 264 states and 348 transitions. [2021-12-06 20:44:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:44:12,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2021-12-06 20:44:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,198 INFO L225 Difference]: With dead ends: 264 [2021-12-06 20:44:12,199 INFO L226 Difference]: Without dead ends: 175 [2021-12-06 20:44:12,200 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:44:12,201 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 43 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:12,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 135 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:12,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-12-06 20:44:12,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2021-12-06 20:44:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 136 states have (on average 1.3161764705882353) internal successors, (179), 144 states have internal predecessors, (179), 19 states have call successors, (19), 19 states have call predecessors, (19), 17 states have return successors, (25), 17 states have call predecessors, (25), 19 states have call successors, (25) [2021-12-06 20:44:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 223 transitions. [2021-12-06 20:44:12,221 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 223 transitions. Word has length 39 [2021-12-06 20:44:12,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,222 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 223 transitions. [2021-12-06 20:44:12,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 223 transitions. [2021-12-06 20:44:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-06 20:44:12,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,224 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:44:12,224 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1262491315, now seen corresponding path program 1 times [2021-12-06 20:44:12,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764695917] [2021-12-06 20:44:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 20:44:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:12,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:12,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764695917] [2021-12-06 20:44:12,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764695917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:12,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:12,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:44:12,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279285369] [2021-12-06 20:44:12,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:12,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:44:12,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:12,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:44:12,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:44:12,269 INFO L87 Difference]: Start difference. First operand 173 states and 223 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:12,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,307 INFO L93 Difference]: Finished difference Result 375 states and 493 transitions. [2021-12-06 20:44:12,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:44:12,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2021-12-06 20:44:12,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,310 INFO L225 Difference]: With dead ends: 375 [2021-12-06 20:44:12,310 INFO L226 Difference]: Without dead ends: 209 [2021-12-06 20:44:12,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:44:12,313 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 62 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 331 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 [2021-12-06 20:44:12,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 331 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:12,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-06 20:44:12,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 179. [2021-12-06 20:44:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 142 states have (on average 1.3028169014084507) internal successors, (185), 150 states have internal predecessors, (185), 19 states have call successors, (19), 19 states have call predecessors, (19), 17 states have return successors, (25), 17 states have call predecessors, (25), 19 states have call successors, (25) [2021-12-06 20:44:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 229 transitions. [2021-12-06 20:44:12,332 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 229 transitions. Word has length 39 [2021-12-06 20:44:12,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,332 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 229 transitions. [2021-12-06 20:44:12,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 229 transitions. [2021-12-06 20:44:12,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-06 20:44:12,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:44:12,334 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1038331275, now seen corresponding path program 1 times [2021-12-06 20:44:12,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136799036] [2021-12-06 20:44:12,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 20:44:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:12,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:12,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136799036] [2021-12-06 20:44:12,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136799036] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:12,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:12,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:44:12,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922326083] [2021-12-06 20:44:12,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:12,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:44:12,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:12,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:44:12,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:44:12,371 INFO L87 Difference]: Start difference. First operand 179 states and 229 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:12,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,400 INFO L93 Difference]: Finished difference Result 334 states and 431 transitions. [2021-12-06 20:44:12,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:44:12,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2021-12-06 20:44:12,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,402 INFO L225 Difference]: With dead ends: 334 [2021-12-06 20:44:12,403 INFO L226 Difference]: Without dead ends: 162 [2021-12-06 20:44:12,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:44:12,405 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 37 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 211 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 [2021-12-06 20:44:12,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 211 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:12,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-12-06 20:44:12,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 144. [2021-12-06 20:44:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 114 states have (on average 1.280701754385965) internal successors, (146), 121 states have internal predecessors, (146), 15 states have call successors, (15), 15 states have call predecessors, (15), 14 states have return successors, (17), 14 states have call predecessors, (17), 15 states have call successors, (17) [2021-12-06 20:44:12,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 178 transitions. [2021-12-06 20:44:12,422 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 178 transitions. Word has length 39 [2021-12-06 20:44:12,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,423 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 178 transitions. [2021-12-06 20:44:12,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:44:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 178 transitions. [2021-12-06 20:44:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 20:44:12,425 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,425 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:44:12,426 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1305949366, now seen corresponding path program 1 times [2021-12-06 20:44:12,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737402621] [2021-12-06 20:44:12,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:44:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 20:44:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:12,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:12,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737402621] [2021-12-06 20:44:12,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737402621] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:12,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:12,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:44:12,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522529092] [2021-12-06 20:44:12,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:12,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:44:12,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:12,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:44:12,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:44:12,487 INFO L87 Difference]: Start difference. First operand 144 states and 178 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 20:44:12,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,524 INFO L93 Difference]: Finished difference Result 282 states and 350 transitions. [2021-12-06 20:44:12,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:44:12,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-06 20:44:12,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,526 INFO L225 Difference]: With dead ends: 282 [2021-12-06 20:44:12,526 INFO L226 Difference]: Without dead ends: 145 [2021-12-06 20:44:12,527 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:44:12,528 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 30 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:12,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 283 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:12,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-12-06 20:44:12,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2021-12-06 20:44:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 119 states have internal predecessors, (142), 15 states have call successors, (15), 15 states have call predecessors, (15), 14 states have return successors, (17), 14 states have call predecessors, (17), 15 states have call successors, (17) [2021-12-06 20:44:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 174 transitions. [2021-12-06 20:44:12,548 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 174 transitions. Word has length 41 [2021-12-06 20:44:12,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,548 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 174 transitions. [2021-12-06 20:44:12,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 20:44:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 174 transitions. [2021-12-06 20:44:12,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-06 20:44:12,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 20:44:12,551 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1289793507, now seen corresponding path program 1 times [2021-12-06 20:44:12,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409419992] [2021-12-06 20:44:12,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:44:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 20:44:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:12,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:12,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409419992] [2021-12-06 20:44:12,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409419992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:12,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:12,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:44:12,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546897829] [2021-12-06 20:44:12,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:12,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:44:12,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:12,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:44:12,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:44:12,605 INFO L87 Difference]: Start difference. First operand 142 states and 174 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 20:44:12,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,715 INFO L93 Difference]: Finished difference Result 262 states and 327 transitions. [2021-12-06 20:44:12,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:44:12,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2021-12-06 20:44:12,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,717 INFO L225 Difference]: With dead ends: 262 [2021-12-06 20:44:12,717 INFO L226 Difference]: Without dead ends: 102 [2021-12-06 20:44:12,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:44:12,719 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 105 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:12,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 396 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:44:12,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-12-06 20:44:12,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2021-12-06 20:44:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 83 states have internal predecessors, (95), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-12-06 20:44:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2021-12-06 20:44:12,730 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 43 [2021-12-06 20:44:12,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,730 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2021-12-06 20:44:12,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 20:44:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2021-12-06 20:44:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 20:44:12,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 20:44:12,733 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,733 INFO L85 PathProgramCache]: Analyzing trace with hash -168912990, now seen corresponding path program 1 times [2021-12-06 20:44:12,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048547345] [2021-12-06 20:44:12,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:44:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 20:44:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:44:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:12,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:12,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048547345] [2021-12-06 20:44:12,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048547345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:12,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:12,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:44:12,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789069599] [2021-12-06 20:44:12,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:12,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:44:12,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:12,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:44:12,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:44:12,769 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 20:44:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,819 INFO L93 Difference]: Finished difference Result 168 states and 200 transitions. [2021-12-06 20:44:12,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:44:12,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2021-12-06 20:44:12,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,820 INFO L225 Difference]: With dead ends: 168 [2021-12-06 20:44:12,820 INFO L226 Difference]: Without dead ends: 117 [2021-12-06 20:44:12,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:44:12,821 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 75 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:12,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 198 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:12,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-06 20:44:12,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 99. [2021-12-06 20:44:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 78 states have (on average 1.205128205128205) internal successors, (94), 83 states have internal predecessors, (94), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-12-06 20:44:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 115 transitions. [2021-12-06 20:44:12,828 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 115 transitions. Word has length 45 [2021-12-06 20:44:12,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,828 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 115 transitions. [2021-12-06 20:44:12,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 20:44:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2021-12-06 20:44:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 20:44:12,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 20:44:12,829 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,829 INFO L85 PathProgramCache]: Analyzing trace with hash -986561440, now seen corresponding path program 1 times [2021-12-06 20:44:12,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138537375] [2021-12-06 20:44:12,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:44:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 20:44:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:44:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:12,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:12,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:12,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138537375] [2021-12-06 20:44:12,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138537375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:12,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:12,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:44:12,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959038269] [2021-12-06 20:44:12,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:12,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:44:12,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:12,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:44:12,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:44:12,880 INFO L87 Difference]: Start difference. First operand 99 states and 115 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 20:44:12,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:12,956 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2021-12-06 20:44:12,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:44:12,956 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2021-12-06 20:44:12,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:12,957 INFO L225 Difference]: With dead ends: 153 [2021-12-06 20:44:12,957 INFO L226 Difference]: Without dead ends: 97 [2021-12-06 20:44:12,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:44:12,959 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 67 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:12,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 283 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:12,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-12-06 20:44:12,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-12-06 20:44:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 81 states have internal predecessors, (91), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-12-06 20:44:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2021-12-06 20:44:12,969 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 45 [2021-12-06 20:44:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:12,969 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2021-12-06 20:44:12,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 20:44:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2021-12-06 20:44:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 20:44:12,970 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:12,970 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:12,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 20:44:12,970 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:12,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:12,970 INFO L85 PathProgramCache]: Analyzing trace with hash -387767708, now seen corresponding path program 1 times [2021-12-06 20:44:12,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:12,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673703702] [2021-12-06 20:44:12,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:12,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:44:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 20:44:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:44:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:13,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:13,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673703702] [2021-12-06 20:44:13,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673703702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:13,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:13,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:44:13,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21644482] [2021-12-06 20:44:13,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:13,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:44:13,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:13,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:44:13,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:44:13,015 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 20:44:13,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:13,079 INFO L93 Difference]: Finished difference Result 160 states and 192 transitions. [2021-12-06 20:44:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:44:13,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2021-12-06 20:44:13,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:13,080 INFO L225 Difference]: With dead ends: 160 [2021-12-06 20:44:13,080 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 20:44:13,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:44:13,081 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 75 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:13,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 175 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:44:13,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 20:44:13,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 20:44:13,082 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) [2021-12-06 20:44:13,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 20:44:13,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-12-06 20:44:13,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:13,082 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:44:13,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 20:44:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:44:13,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 20:44:13,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 20:44:13,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 20:44:13,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 20:44:13,925 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2021-12-06 20:44:13,925 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2021-12-06 20:44:13,925 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2021-12-06 20:44:13,925 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2021-12-06 20:44:13,925 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2021-12-06 20:44:13,925 INFO L858 garLoopResultBuilder]: For program point L704-1(lines 703 722) no Hoare annotation was computed. [2021-12-06 20:44:13,926 INFO L854 garLoopResultBuilder]: At program point L762(lines 757 764) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse1 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2021-12-06 20:44:13,926 INFO L854 garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) (= |timeShift_isHighWaterLevel_~tmp~6#1| 1)) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= |timeShift_processEnvironment_~tmp~5#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2021-12-06 20:44:13,926 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2021-12-06 20:44:13,926 INFO L858 garLoopResultBuilder]: For program point L858(lines 858 878) no Hoare annotation was computed. [2021-12-06 20:44:13,926 INFO L854 garLoopResultBuilder]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2021-12-06 20:44:13,926 INFO L858 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-12-06 20:44:13,926 INFO L854 garLoopResultBuilder]: At program point L751-1(lines 732 756) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse2 (= |timeShift_isHighWaterLevel_~tmp~6#1| 1))) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse3) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 1) (= |timeShift_processEnvironment_~tmp~5#1| 0) .cse4) (and .cse4 .cse3))))) [2021-12-06 20:44:13,926 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-12-06 20:44:13,926 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2021-12-06 20:44:13,926 INFO L858 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2021-12-06 20:44:13,927 INFO L854 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse2 (= |timeShift_isHighWaterLevel_~tmp~6#1| 1) (= |timeShift_getWaterLevel_#res#1| 1)) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse0) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 (and .cse2 (<= ~waterLevel~0 1) (= |timeShift_processEnvironment_~tmp~5#1| 0) .cse4 (<= |timeShift_getWaterLevel_#res#1| 1)) .cse0 (and .cse4 .cse1))))) [2021-12-06 20:44:13,927 INFO L854 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |timeShift_isPumpRunning_#res#1| 1)) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3)) (or .cse0 .cse1 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)))) [2021-12-06 20:44:13,927 INFO L854 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse2 (= |timeShift_isHighWaterSensorDry_#res#1| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4))) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 (not (= |old(~pumpRunning~0)| 1))))) [2021-12-06 20:44:13,927 INFO L854 garLoopResultBuilder]: At program point L624(lines 619 626) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2021-12-06 20:44:13,927 INFO L858 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-12-06 20:44:13,927 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 748) no Hoare annotation was computed. [2021-12-06 20:44:13,927 INFO L858 garLoopResultBuilder]: For program point L868(lines 868 874) no Hoare annotation was computed. [2021-12-06 20:44:13,927 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 753) no Hoare annotation was computed. [2021-12-06 20:44:13,927 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 877) no Hoare annotation was computed. [2021-12-06 20:44:13,927 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-12-06 20:44:13,928 INFO L854 garLoopResultBuilder]: At program point L864-1(lines 849 881) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse2 (= |timeShift_isHighWaterLevel_~tmp~6#1| 1))) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse3) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 1) (= |timeShift_processEnvironment_~tmp~5#1| 0) .cse4) (and .cse4 .cse3))))) [2021-12-06 20:44:13,928 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2021-12-06 20:44:13,928 INFO L854 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse2 (= |timeShift_isHighWaterLevel_~tmp~6#1| 1))) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse3) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 1) (= |timeShift_processEnvironment_~tmp~5#1| 0) .cse4) (and .cse4 .cse3))))) [2021-12-06 20:44:13,928 INFO L858 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2021-12-06 20:44:13,928 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse0 (= ~pumpRunning~0 1))))) [2021-12-06 20:44:13,928 INFO L854 garLoopResultBuilder]: At program point L844(lines 829 847) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse5)) (.cse3 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse2 (= |timeShift_isHighWaterLevel_#res#1| 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse2 (= |timeShift_isHighWaterLevel_~tmp~6#1| 1) .cse3)) (or .cse1 (not (= |old(~pumpRunning~0)| 1))) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 (<= ~waterLevel~0 1) .cse5 .cse6) .cse0 .cse1 (and .cse4 (not .cse3) .cse5 .cse6 (not .cse2))))))) [2021-12-06 20:44:13,928 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2021-12-06 20:44:13,928 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-12-06 20:44:13,928 INFO L861 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2021-12-06 20:44:13,928 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2021-12-06 20:44:13,929 INFO L861 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: true [2021-12-06 20:44:13,929 INFO L858 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2021-12-06 20:44:13,929 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2021-12-06 20:44:13,929 INFO L861 garLoopResultBuilder]: At program point L178(lines 153 182) the Hoare annotation is: true [2021-12-06 20:44:13,929 INFO L858 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-12-06 20:44:13,929 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-12-06 20:44:13,929 INFO L861 garLoopResultBuilder]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2021-12-06 20:44:13,929 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-06 20:44:13,929 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2021-12-06 20:44:13,929 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2021-12-06 20:44:13,929 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2021-12-06 20:44:13,929 INFO L854 garLoopResultBuilder]: At program point L684(lines 637 685) the Hoare annotation is: false [2021-12-06 20:44:13,929 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point L639(lines 638 683) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 679) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L854 garLoopResultBuilder]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) .cse0 .cse1 .cse2))) [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 239 246) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L854 garLoopResultBuilder]: At program point L681(lines 638 683) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-12-06 20:44:13,930 INFO L861 garLoopResultBuilder]: At program point L223(lines 216 225) the Hoare annotation is: true [2021-12-06 20:44:13,930 INFO L861 garLoopResultBuilder]: At program point L248(lines 229 251) the Hoare annotation is: true [2021-12-06 20:44:13,931 INFO L854 garLoopResultBuilder]: At program point L913(lines 908 916) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 20:44:13,931 INFO L854 garLoopResultBuilder]: At program point L905(lines 901 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 20:44:13,931 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 678) no Hoare annotation was computed. [2021-12-06 20:44:13,931 INFO L854 garLoopResultBuilder]: At program point L674-2(lines 668 679) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) .cse0 .cse1 .cse2))) [2021-12-06 20:44:13,931 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 214) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 20:44:13,931 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 664) no Hoare annotation was computed. [2021-12-06 20:44:13,931 INFO L858 garLoopResultBuilder]: For program point L658-1(lines 658 664) no Hoare annotation was computed. [2021-12-06 20:44:13,931 INFO L861 garLoopResultBuilder]: At program point L687(lines 628 691) the Hoare annotation is: true [2021-12-06 20:44:13,931 INFO L854 garLoopResultBuilder]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-12-06 20:44:13,931 INFO L854 garLoopResultBuilder]: At program point L898(lines 894 900) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 20:44:13,931 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2021-12-06 20:44:13,931 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2021-12-06 20:44:13,932 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 1)) .cse1))) [2021-12-06 20:44:13,934 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:13,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:44:13,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:44:13 BoogieIcfgContainer [2021-12-06 20:44:13,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:44:13,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:44:13,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:44:13,954 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:44:13,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:44:11" (3/4) ... [2021-12-06 20:44:13,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 20:44:13,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 20:44:13,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 20:44:13,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 20:44:13,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 20:44:13,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 20:44:13,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 20:44:13,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-06 20:44:13,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 20:44:13,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 20:44:13,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 20:44:13,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 20:44:13,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 20:44:13,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 20:44:13,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 20:44:13,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 20:44:13,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && pumpRunning == 1) || (((((pumpRunning == 0 && tmp == 1) && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) [2021-12-06 20:44:13,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) [2021-12-06 20:44:13,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && tmp == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) [2021-12-06 20:44:13,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && tmp == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) [2021-12-06 20:44:13,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && \result == 1) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) [2021-12-06 20:44:13,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((\result == 1 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (((\result == 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1)) [2021-12-06 20:44:13,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((\result == 1 && \result == 0) && tmp == 1) && tmp___0 == 0)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && !(tmp___0 == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(\result == 0))) [2021-12-06 20:44:13,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((\result == 1 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) [2021-12-06 20:44:13,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-06 20:44:13,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) [2021-12-06 20:44:14,004 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 20:44:14,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:44:14,005 INFO L158 Benchmark]: Toolchain (without parser) took 3260.33ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 70.9MB in the beginning and 67.1MB in the end (delta: 3.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-12-06 20:44:14,005 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:44:14,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.64ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 76.3MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 20:44:14,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.55ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:44:14,006 INFO L158 Benchmark]: Boogie Preprocessor took 26.04ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 72.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:44:14,006 INFO L158 Benchmark]: RCFGBuilder took 317.91ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 57.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 20:44:14,007 INFO L158 Benchmark]: TraceAbstraction took 2501.90ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 57.0MB in the beginning and 73.3MB in the end (delta: -16.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2021-12-06 20:44:14,007 INFO L158 Benchmark]: Witness Printer took 51.15ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 67.1MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 20:44:14,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.64ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 76.3MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.55ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.04ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 72.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.91ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 57.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2501.90ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 57.0MB in the beginning and 73.3MB in the end (delta: -16.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 51.15ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 67.1MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 623]: 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, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 667 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 653 mSDsluCounter, 2532 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1602 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 416 IncrementalHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 930 mSDtfsCounter, 416 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=6, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 76 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 502 PreInvPairs, 600 NumberOfFragments, 864 HoareAnnotationTreeSize, 502 FomulaSimplifications, 60 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 3553 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 452 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((\result == 1 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (((\result == 1 || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((\result == 1 && \result == 0) && tmp == 1) && tmp___0 == 0)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && !(tmp___0 == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(\result == 0))) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((\result == 1 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && \result == 1) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && tmp == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && pumpRunning == 1) || (((((pumpRunning == 0 && tmp == 1) && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && tmp == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 20:44:14,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8cde0b-f2a4-4307-badc-df935cfd11ff/bin/uautomizer-DrprNOufMa/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