/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:35:12,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:35:12,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:35:12,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:35:12,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:35:12,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:35:12,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:35:12,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:35:12,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:35:12,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:35:12,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:35:12,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:35:12,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:35:12,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:35:12,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:35:12,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:35:12,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:35:12,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:35:12,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:35:12,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:35:12,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:35:12,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:35:12,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:35:12,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:35:12,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:35:12,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:35:12,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:35:12,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:35:12,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:35:12,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:35:12,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:35:12,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:35:12,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:35:12,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:35:12,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:35:12,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:35:12,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:35:12,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:35:12,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:35:12,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:35:12,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:35:12,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:35:12,160 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:35:12,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:35:12,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:35:12,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:35:12,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:35:12,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:35:12,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:35:12,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:35:12,161 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:35:12,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:35:12,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:35:12,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:12,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:35:12,163 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:35:12,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:35:12,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:35:12,164 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:35:12,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:35:12,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:35:12,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:35:12,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:35:12,357 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:35:12,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2022-01-10 06:35:12,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15285f921/4a6a27f85e044e5abcb71dd6805a4de9/FLAGea2c4c726 [2022-01-10 06:35:12,817 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:35:12,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2022-01-10 06:35:12,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15285f921/4a6a27f85e044e5abcb71dd6805a4de9/FLAGea2c4c726 [2022-01-10 06:35:12,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15285f921/4a6a27f85e044e5abcb71dd6805a4de9 [2022-01-10 06:35:12,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:35:12,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:35:12,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:12,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:35:12,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:35:12,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:12" (1/1) ... [2022-01-10 06:35:12,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc54319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:12, skipping insertion in model container [2022-01-10 06:35:12,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:12" (1/1) ... [2022-01-10 06:35:12,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:35:12,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:13,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c[16991,17004] [2022-01-10 06:35:13,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:13,105 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:35:13,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:13,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c[16991,17004] [2022-01-10 06:35:13,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:13,174 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:35:13,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c[16991,17004] [2022-01-10 06:35:13,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:13,246 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:35:13,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13 WrapperNode [2022-01-10 06:35:13,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:13,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:13,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:35:13,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:35:13,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,280 INFO L137 Inliner]: procedures = 55, calls = 150, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 193 [2022-01-10 06:35:13,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:13,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:35:13,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:35:13,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:35:13,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:35:13,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:35:13,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:35:13,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:35:13,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:13,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:35:13,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:35:13,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:35:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:35:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:35:13,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:35:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:35:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:35:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:35:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:35:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:35:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:35:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:35:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:35:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:35:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:35:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:35:13,454 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:35:13,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:35:13,718 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:35:13,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:35:13,723 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:35:13,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:13 BoogieIcfgContainer [2022-01-10 06:35:13,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:35:13,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:35:13,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:35:13,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:35:13,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:35:12" (1/3) ... [2022-01-10 06:35:13,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7022cc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:13, skipping insertion in model container [2022-01-10 06:35:13,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (2/3) ... [2022-01-10 06:35:13,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7022cc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:13, skipping insertion in model container [2022-01-10 06:35:13,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:13" (3/3) ... [2022-01-10 06:35:13,734 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2022-01-10 06:35:13,738 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:35:13,739 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:35:13,785 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:35:13,790 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 [2022-01-10 06:35:13,790 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:35:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:35:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:35:13,820 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:13,821 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:13,821 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:13,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:13,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1691668141, now seen corresponding path program 1 times [2022-01-10 06:35:13,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:13,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947035102] [2022-01-10 06:35:13,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:13,849 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:13,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:13,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:13,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:35:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:13,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:35:13,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:14,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:14,088 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:14,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947035102] [2022-01-10 06:35:14,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947035102] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:14,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:14,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:14,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867271153] [2022-01-10 06:35:14,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:14,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:35:14,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:14,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:35:14,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:14,120 INFO L87 Difference]: Start difference. First operand has 73 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:14,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:14,154 INFO L93 Difference]: Finished difference Result 137 states and 184 transitions. [2022-01-10 06:35:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:35:14,156 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-01-10 06:35:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:14,162 INFO L225 Difference]: With dead ends: 137 [2022-01-10 06:35:14,163 INFO L226 Difference]: Without dead ends: 64 [2022-01-10 06:35:14,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:14,168 INFO L933 BasicCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:14,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-01-10 06:35:14,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-01-10 06:35:14,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 54 states have internal predecessors, (65), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2022-01-10 06:35:14,209 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 32 [2022-01-10 06:35:14,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:14,210 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2022-01-10 06:35:14,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2022-01-10 06:35:14,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:35:14,214 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:14,214 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:14,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:14,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:14,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:14,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:14,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1926580266, now seen corresponding path program 1 times [2022-01-10 06:35:14,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:14,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752541446] [2022-01-10 06:35:14,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:14,421 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:14,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:14,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:14,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:35:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:14,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:14,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:14,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:14,560 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:14,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752541446] [2022-01-10 06:35:14,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752541446] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:14,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:14,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:14,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266135994] [2022-01-10 06:35:14,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:14,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:14,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:14,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:14,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:14,566 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:14,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:14,583 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2022-01-10 06:35:14,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:14,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-01-10 06:35:14,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:14,591 INFO L225 Difference]: With dead ends: 88 [2022-01-10 06:35:14,591 INFO L226 Difference]: Without dead ends: 55 [2022-01-10 06:35:14,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:14,593 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 18 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:14,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 112 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:14,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-01-10 06:35:14,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-01-10 06:35:14,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-10 06:35:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2022-01-10 06:35:14,602 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 33 [2022-01-10 06:35:14,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:14,612 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-01-10 06:35:14,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-01-10 06:35:14,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:35:14,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:14,614 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:14,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-01-10 06:35:14,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:14,815 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:14,816 INFO L85 PathProgramCache]: Analyzing trace with hash 172632065, now seen corresponding path program 1 times [2022-01-10 06:35:14,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:14,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928897435] [2022-01-10 06:35:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:14,816 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:14,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:14,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:14,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:35:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:14,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:14,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:14,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:14,948 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:14,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928897435] [2022-01-10 06:35:14,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928897435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:14,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:14,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:14,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199033821] [2022-01-10 06:35:14,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:14,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:14,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:14,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:14,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:14,954 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:14,981 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2022-01-10 06:35:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:14,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-01-10 06:35:14,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:14,984 INFO L225 Difference]: With dead ends: 147 [2022-01-10 06:35:14,984 INFO L226 Difference]: Without dead ends: 100 [2022-01-10 06:35:14,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:14,988 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 38 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:14,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 127 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:14,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-01-10 06:35:14,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2022-01-10 06:35:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 81 states have internal predecessors, (100), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:35:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 120 transitions. [2022-01-10 06:35:14,998 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 120 transitions. Word has length 38 [2022-01-10 06:35:14,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:14,998 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 120 transitions. [2022-01-10 06:35:14,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2022-01-10 06:35:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 06:35:14,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:15,000 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:15,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:15,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:15,206 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:15,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:15,207 INFO L85 PathProgramCache]: Analyzing trace with hash 408348587, now seen corresponding path program 1 times [2022-01-10 06:35:15,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:15,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384784756] [2022-01-10 06:35:15,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:15,208 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:15,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:15,209 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:15,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:35:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:15,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:35:15,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:15,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:15,331 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:15,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384784756] [2022-01-10 06:35:15,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384784756] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:15,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:15,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:35:15,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857992105] [2022-01-10 06:35:15,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:15,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:15,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:15,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:15,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:15,332 INFO L87 Difference]: Start difference. First operand 95 states and 120 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:15,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:15,387 INFO L93 Difference]: Finished difference Result 179 states and 228 transitions. [2022-01-10 06:35:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:15,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2022-01-10 06:35:15,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:15,388 INFO L225 Difference]: With dead ends: 179 [2022-01-10 06:35:15,388 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:15,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:15,390 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 50 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:15,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 206 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:15,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:15,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:35:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:15,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-01-10 06:35:15,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:15,391 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:15,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:15,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:15,393 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:15,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:15,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:15,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:15,766 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 708 719) the Hoare annotation is: true [2022-01-10 06:35:15,766 INFO L858 garLoopResultBuilder]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2022-01-10 06:35:15,766 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 708 719) no Hoare annotation was computed. [2022-01-10 06:35:15,766 INFO L861 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: true [2022-01-10 06:35:15,767 INFO L858 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2022-01-10 06:35:15,767 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2022-01-10 06:35:15,767 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2022-01-10 06:35:15,767 INFO L861 garLoopResultBuilder]: At program point L788(lines 763 792) the Hoare annotation is: true [2022-01-10 06:35:15,767 INFO L858 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2022-01-10 06:35:15,767 INFO L858 garLoopResultBuilder]: For program point L777(lines 777 781) no Hoare annotation was computed. [2022-01-10 06:35:15,767 INFO L861 garLoopResultBuilder]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2022-01-10 06:35:15,767 INFO L858 garLoopResultBuilder]: For program point L774(line 774) no Hoare annotation was computed. [2022-01-10 06:35:15,767 INFO L861 garLoopResultBuilder]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2022-01-10 06:35:15,767 INFO L861 garLoopResultBuilder]: At program point L217(lines 213 219) the Hoare annotation is: true [2022-01-10 06:35:15,767 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-01-10 06:35:15,767 INFO L858 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2022-01-10 06:35:15,768 INFO L854 garLoopResultBuilder]: At program point L688-2(lines 684 695) the Hoare annotation is: (not (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,768 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 186 212) no Hoare annotation was computed. [2022-01-10 06:35:15,768 INFO L861 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: true [2022-01-10 06:35:15,768 INFO L858 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2022-01-10 06:35:15,768 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 199) no Hoare annotation was computed. [2022-01-10 06:35:15,768 INFO L858 garLoopResultBuilder]: For program point L193-2(lines 189 211) no Hoare annotation was computed. [2022-01-10 06:35:15,768 INFO L861 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: true [2022-01-10 06:35:15,768 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-01-10 06:35:15,768 INFO L854 garLoopResultBuilder]: At program point L867(lines 862 869) the Hoare annotation is: (not (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,768 INFO L861 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2022-01-10 06:35:15,768 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-01-10 06:35:15,768 INFO L861 garLoopResultBuilder]: At program point L757(lines 752 760) the Hoare annotation is: true [2022-01-10 06:35:15,771 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-01-10 06:35:15,772 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-01-10 06:35:15,772 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 186 212) the Hoare annotation is: true [2022-01-10 06:35:15,772 INFO L861 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: true [2022-01-10 06:35:15,772 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 186 212) no Hoare annotation was computed. [2022-01-10 06:35:15,772 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2022-01-10 06:35:15,772 INFO L858 garLoopResultBuilder]: For program point L200-1(lines 200 206) no Hoare annotation was computed. [2022-01-10 06:35:15,772 INFO L861 garLoopResultBuilder]: At program point L832(lines 824 834) the Hoare annotation is: true [2022-01-10 06:35:15,772 INFO L861 garLoopResultBuilder]: At program point L857(lines 838 860) the Hoare annotation is: true [2022-01-10 06:35:15,772 INFO L854 garLoopResultBuilder]: At program point L312(lines 307 314) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,772 INFO L854 garLoopResultBuilder]: At program point L886(lines 882 888) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,772 INFO L854 garLoopResultBuilder]: At program point L304(lines 292 306) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,772 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 302) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L854 garLoopResultBuilder]: At program point L168(lines 117 169) the Hoare annotation is: false [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point L296-2(lines 296 302) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 162) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 148 163) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point L119(lines 118 167) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L854 garLoopResultBuilder]: At program point L821(lines 817 823) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 163) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L854 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,773 INFO L854 garLoopResultBuilder]: At program point L165(lines 118 167) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 134) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2022-01-10 06:35:15,773 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 124) no Hoare annotation was computed. [2022-01-10 06:35:15,774 INFO L854 garLoopResultBuilder]: At program point L901(lines 896 904) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,774 INFO L854 garLoopResultBuilder]: At program point L893(lines 889 895) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,774 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,774 INFO L858 garLoopResultBuilder]: For program point L848(lines 848 855) no Hoare annotation was computed. [2022-01-10 06:35:15,774 INFO L858 garLoopResultBuilder]: For program point L848-2(lines 848 855) no Hoare annotation was computed. [2022-01-10 06:35:15,774 INFO L861 garLoopResultBuilder]: At program point L171(lines 108 175) the Hoare annotation is: true [2022-01-10 06:35:15,774 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 144) no Hoare annotation was computed. [2022-01-10 06:35:15,774 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2022-01-10 06:35:15,774 INFO L854 garLoopResultBuilder]: At program point L233(lines 228 235) the Hoare annotation is: false [2022-01-10 06:35:15,774 INFO L854 garLoopResultBuilder]: At program point L130(line 130) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,774 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 696 707) no Hoare annotation was computed. [2022-01-10 06:35:15,774 INFO L858 garLoopResultBuilder]: For program point L700-1(lines 696 707) no Hoare annotation was computed. [2022-01-10 06:35:15,774 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 696 707) the Hoare annotation is: true [2022-01-10 06:35:15,774 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 247 255) no Hoare annotation was computed. [2022-01-10 06:35:15,774 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 247 255) the Hoare annotation is: true [2022-01-10 06:35:15,774 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 247 255) no Hoare annotation was computed. [2022-01-10 06:35:15,777 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-10 06:35:15,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:15,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:15 BoogieIcfgContainer [2022-01-10 06:35:15,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:15,787 INFO L158 Benchmark]: Toolchain (without parser) took 2950.43ms. Allocated memory was 178.3MB in the beginning and 253.8MB in the end (delta: 75.5MB). Free memory was 119.1MB in the beginning and 101.1MB in the end (delta: 18.0MB). Peak memory consumption was 93.3MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,787 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:15,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.79ms. Allocated memory was 178.3MB in the beginning and 253.8MB in the end (delta: 75.5MB). Free memory was 118.9MB in the beginning and 211.8MB in the end (delta: -92.8MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.22ms. Allocated memory is still 253.8MB. Free memory was 211.8MB in the beginning and 209.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,788 INFO L158 Benchmark]: Boogie Preprocessor took 20.92ms. Allocated memory is still 253.8MB. Free memory was 209.1MB in the beginning and 207.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,788 INFO L158 Benchmark]: RCFGBuilder took 422.17ms. Allocated memory is still 253.8MB. Free memory was 207.6MB in the beginning and 190.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,788 INFO L158 Benchmark]: TraceAbstraction took 2060.53ms. Allocated memory is still 253.8MB. Free memory was 190.3MB in the beginning and 101.1MB in the end (delta: 89.1MB). Peak memory consumption was 89.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 407.79ms. Allocated memory was 178.3MB in the beginning and 253.8MB in the end (delta: 75.5MB). Free memory was 118.9MB in the beginning and 211.8MB in the end (delta: -92.8MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.22ms. Allocated memory is still 253.8MB. Free memory was 211.8MB in the beginning and 209.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.92ms. Allocated memory is still 253.8MB. Free memory was 209.1MB in the beginning and 207.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 422.17ms. Allocated memory is still 253.8MB. Free memory was 207.6MB in the beginning and 190.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2060.53ms. Allocated memory is still 253.8MB. Free memory was 190.3MB in the beginning and 101.1MB in the end (delta: 89.1MB). Peak memory consumption was 89.1MB. Max. memory is 8.0GB. * 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: 866]: 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 6 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 534 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 284 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 142 PreInvPairs, 166 NumberOfFragments, 108 HoareAnnotationTreeSize, 142 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 224 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 3 NumberOfNonLiveVariables, 656 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:15,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...