/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:52:52,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:52:52,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:52:52,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:52:52,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:52:52,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:52:52,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:52:52,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:52:52,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:52:52,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:52:52,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:52:52,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:52:52,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:52:52,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:52:52,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:52:52,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:52:52,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:52:52,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:52:52,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:52:52,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:52:52,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:52:52,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:52:52,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:52:52,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:52:52,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 05:52:52,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 05:52:52,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 05:52:52,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 05:52:52,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 05:52:52,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 05:52:52,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:52:52,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:52:52,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:52:52,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:52:52,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:52:52,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:52:52,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:52:52,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:52:52,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:52:52,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:52:52,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:52:52,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 05:52:52,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:52:52,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:52:52,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:52:52,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:52:52,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:52:52,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:52:52,701 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:52:52,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:52:52,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:52:52,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:52:52,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:52:52,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:52:52,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:52:52,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:52:52,703 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:52:52,703 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:52:52,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:52:52,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:52:52,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:52:52,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:52:52,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:52:52,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:52:52,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:52:52,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:52:52,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:52:52,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:52:52,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:52:52,704 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:52:52,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:52:52,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:52:52,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:52:52,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:52:52,706 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:52:52,706 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:52:52,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:52:52,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:52:52,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:52:52,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:52:52,935 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:52:52,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c [2022-01-11 05:52:52,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cc48af4/d2e51ad1322a4cdf9f70e6912c9a3a75/FLAGcbfb7fce0 [2022-01-11 05:52:53,497 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:52:53,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c [2022-01-11 05:52:53,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cc48af4/d2e51ad1322a4cdf9f70e6912c9a3a75/FLAGcbfb7fce0 [2022-01-11 05:52:53,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cc48af4/d2e51ad1322a4cdf9f70e6912c9a3a75 [2022-01-11 05:52:53,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:52:54,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:52:54,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:52:54,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:52:54,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:52:54,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:52:53" (1/1) ... [2022-01-11 05:52:54,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f43857c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54, skipping insertion in model container [2022-01-11 05:52:54,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:52:53" (1/1) ... [2022-01-11 05:52:54,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:52:54,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:52:54,254 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_spec3_product23.cil.c[8087,8100] [2022-01-11 05:52:54,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:52:54,341 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 05:52:54,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:52:54,393 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_spec3_product23.cil.c[8087,8100] [2022-01-11 05:52:54,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:52:54,426 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:52:54,467 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_spec3_product23.cil.c[8087,8100] [2022-01-11 05:52:54,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:52:54,513 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:52:54,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54 WrapperNode [2022-01-11 05:52:54,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:52:54,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:52:54,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:52:54,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:52:54,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,590 INFO L137 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 597 [2022-01-11 05:52:54,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:52:54,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:52:54,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:52:54,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:52:54,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:52:54,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:52:54,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:52:54,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:52:54,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (1/1) ... [2022-01-11 05:52:54,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:52:54,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:52:54,672 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) [2022-01-11 05:52:54,683 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 [2022-01-11 05:52:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:52:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:52:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:52:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:52:54,811 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:52:54,813 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:52:55,309 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:52:55,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:52:55,316 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 05:52:55,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:52:55 BoogieIcfgContainer [2022-01-11 05:52:55,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:52:55,319 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:52:55,319 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:52:55,320 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:52:55,323 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:52:55" (1/1) ... [2022-01-11 05:52:55,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:52:55 BasicIcfg [2022-01-11 05:52:55,470 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:52:55,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:52:55,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:52:55,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:52:55,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:52:53" (1/4) ... [2022-01-11 05:52:55,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5742effc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:52:55, skipping insertion in model container [2022-01-11 05:52:55,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:54" (2/4) ... [2022-01-11 05:52:55,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5742effc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:52:55, skipping insertion in model container [2022-01-11 05:52:55,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:52:55" (3/4) ... [2022-01-11 05:52:55,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5742effc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:52:55, skipping insertion in model container [2022-01-11 05:52:55,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:52:55" (4/4) ... [2022-01-11 05:52:55,482 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product23.cil.cTransformedIcfg [2022-01-11 05:52:55,486 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:52:55,486 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-11 05:52:55,539 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:52:55,547 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 [2022-01-11 05:52:55,547 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-11 05:52:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 159 states have (on average 1.371069182389937) internal successors, (218), 162 states have internal predecessors, (218), 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) [2022-01-11 05:52:55,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-11 05:52:55,569 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:52:55,569 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:52:55,570 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:52:55,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:52:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1512450724, now seen corresponding path program 1 times [2022-01-11 05:52:55,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:52:55,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628671291] [2022-01-11 05:52:55,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:52:55,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:52:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:52:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:52:55,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:52:55,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628671291] [2022-01-11 05:52:55,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628671291] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:52:55,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:52:55,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:52:55,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954630619] [2022-01-11 05:52:55,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:52:55,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 05:52:55,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:52:55,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 05:52:55,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:52:55,890 INFO L87 Difference]: Start difference. First operand has 163 states, 159 states have (on average 1.371069182389937) internal successors, (218), 162 states have internal predecessors, (218), 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) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-01-11 05:52:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:52:55,923 INFO L93 Difference]: Finished difference Result 316 states and 425 transitions. [2022-01-11 05:52:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 05:52:55,925 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) Word has length 19 [2022-01-11 05:52:55,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:52:55,932 INFO L225 Difference]: With dead ends: 316 [2022-01-11 05:52:55,932 INFO L226 Difference]: Without dead ends: 153 [2022-01-11 05:52:55,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:52:55,939 INFO L933 BasicCegarLoop]: 208 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, 208 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 [2022-01-11 05:52:55,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:52:55,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-01-11 05:52:55,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2022-01-11 05:52:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 152 states have internal predecessors, (200), 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) [2022-01-11 05:52:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 200 transitions. [2022-01-11 05:52:55,974 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 200 transitions. Word has length 19 [2022-01-11 05:52:55,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:52:55,974 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 200 transitions. [2022-01-11 05:52:55,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-01-11 05:52:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 200 transitions. [2022-01-11 05:52:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 05:52:55,976 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:52:55,976 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] [2022-01-11 05:52:55,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:52:55,976 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:52:55,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:52:55,977 INFO L85 PathProgramCache]: Analyzing trace with hash 529174228, now seen corresponding path program 1 times [2022-01-11 05:52:55,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:52:55,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346789170] [2022-01-11 05:52:55,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:52:55,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:52:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:52:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:52:56,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:52:56,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346789170] [2022-01-11 05:52:56,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346789170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:52:56,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:52:56,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:52:56,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875574312] [2022-01-11 05:52:56,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:52:56,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:52:56,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:52:56,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:52:56,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:52:56,051 INFO L87 Difference]: Start difference. First operand 153 states and 200 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2022-01-11 05:52:56,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:52:56,119 INFO L93 Difference]: Finished difference Result 366 states and 483 transitions. [2022-01-11 05:52:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:52:56,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) Word has length 20 [2022-01-11 05:52:56,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:52:56,123 INFO L225 Difference]: With dead ends: 366 [2022-01-11 05:52:56,123 INFO L226 Difference]: Without dead ends: 220 [2022-01-11 05:52:56,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:52:56,125 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 184 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:52:56,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 294 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:52:56,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-01-11 05:52:56,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 211. [2022-01-11 05:52:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 208 states have (on average 1.3461538461538463) internal successors, (280), 210 states have internal predecessors, (280), 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) [2022-01-11 05:52:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 280 transitions. [2022-01-11 05:52:56,152 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 280 transitions. Word has length 20 [2022-01-11 05:52:56,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:52:56,152 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 280 transitions. [2022-01-11 05:52:56,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2022-01-11 05:52:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2022-01-11 05:52:56,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-11 05:52:56,153 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:52:56,154 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] [2022-01-11 05:52:56,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 05:52:56,154 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:52:56,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:52:56,155 INFO L85 PathProgramCache]: Analyzing trace with hash 71091611, now seen corresponding path program 1 times [2022-01-11 05:52:56,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:52:56,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040516755] [2022-01-11 05:52:56,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:52:56,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:52:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:52:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:52:56,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:52:56,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040516755] [2022-01-11 05:52:56,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040516755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:52:56,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:52:56,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 05:52:56,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559450114] [2022-01-11 05:52:56,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:52:56,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 05:52:56,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:52:56,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 05:52:56,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:52:56,262 INFO L87 Difference]: Start difference. First operand 211 states and 280 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-01-11 05:52:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:52:56,609 INFO L93 Difference]: Finished difference Result 1163 states and 1563 transitions. [2022-01-11 05:52:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 05:52:56,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) Word has length 25 [2022-01-11 05:52:56,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:52:56,616 INFO L225 Difference]: With dead ends: 1163 [2022-01-11 05:52:56,616 INFO L226 Difference]: Without dead ends: 665 [2022-01-11 05:52:56,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-11 05:52:56,627 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 931 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 05:52:56,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 1171 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 05:52:56,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-01-11 05:52:56,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 289. [2022-01-11 05:52:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 286 states have (on average 1.3426573426573427) internal successors, (384), 288 states have internal predecessors, (384), 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) [2022-01-11 05:52:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 384 transitions. [2022-01-11 05:52:56,667 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 384 transitions. Word has length 25 [2022-01-11 05:52:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:52:56,667 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 384 transitions. [2022-01-11 05:52:56,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-01-11 05:52:56,668 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 384 transitions. [2022-01-11 05:52:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-11 05:52:56,669 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:52:56,669 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] [2022-01-11 05:52:56,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 05:52:56,670 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:52:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:52:56,670 INFO L85 PathProgramCache]: Analyzing trace with hash -233334977, now seen corresponding path program 1 times [2022-01-11 05:52:56,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:52:56,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111654632] [2022-01-11 05:52:56,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:52:56,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:52:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:52:56,699 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 05:52:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:52:56,760 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 05:52:56,760 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 05:52:56,761 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-11 05:52:56,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-11 05:52:56,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-11 05:52:56,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 05:52:56,765 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-11 05:52:56,769 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 05:52:56,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:52:56 BasicIcfg [2022-01-11 05:52:56,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 05:52:56,872 INFO L158 Benchmark]: Toolchain (without parser) took 2870.83ms. Allocated memory was 175.1MB in the beginning and 251.7MB in the end (delta: 76.5MB). Free memory was 116.6MB in the beginning and 211.9MB in the end (delta: -95.3MB). Peak memory consumption was 121.8MB. Max. memory is 8.0GB. [2022-01-11 05:52:56,872 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:52:56,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.54ms. Allocated memory was 175.1MB in the beginning and 251.7MB in the end (delta: 76.5MB). Free memory was 116.4MB in the beginning and 210.8MB in the end (delta: -94.4MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. [2022-01-11 05:52:56,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.15ms. Allocated memory is still 251.7MB. Free memory was 210.8MB in the beginning and 207.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 05:52:56,877 INFO L158 Benchmark]: Boogie Preprocessor took 47.27ms. Allocated memory is still 251.7MB. Free memory was 207.1MB in the beginning and 204.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 05:52:56,879 INFO L158 Benchmark]: RCFGBuilder took 679.13ms. Allocated memory is still 251.7MB. Free memory was 204.5MB in the beginning and 180.9MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-01-11 05:52:56,879 INFO L158 Benchmark]: IcfgTransformer took 151.34ms. Allocated memory is still 251.7MB. Free memory was 180.4MB in the beginning and 172.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-11 05:52:56,879 INFO L158 Benchmark]: TraceAbstraction took 1394.50ms. Allocated memory is still 251.7MB. Free memory was 171.5MB in the beginning and 211.9MB in the end (delta: -40.4MB). Peak memory consumption was 101.1MB. Max. memory is 8.0GB. [2022-01-11 05:52:56,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 509.54ms. Allocated memory was 175.1MB in the beginning and 251.7MB in the end (delta: 76.5MB). Free memory was 116.4MB in the beginning and 210.8MB in the end (delta: -94.4MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.15ms. Allocated memory is still 251.7MB. Free memory was 210.8MB in the beginning and 207.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.27ms. Allocated memory is still 251.7MB. Free memory was 207.1MB in the beginning and 204.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 679.13ms. Allocated memory is still 251.7MB. Free memory was 204.5MB in the beginning and 180.9MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * IcfgTransformer took 151.34ms. Allocated memory is still 251.7MB. Free memory was 180.4MB in the beginning and 172.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1394.50ms. Allocated memory is still 251.7MB. Free memory was 171.5MB in the beginning and 211.9MB in the end (delta: -40.4MB). Peak memory consumption was 101.1MB. 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 - CounterExampleResult [Line: 551]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L187] int pumpRunning = 0; [L188] int systemActive = 1; [L448] int cleanupTimeShifts = 4; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int retValue_acc ; [L525] int tmp ; [L529] FCALL select_helpers() [L530] FCALL select_features() [L531] CALL, EXPR valid_product() [L948] int retValue_acc ; [L951] retValue_acc = 1 [L952] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L531] RET, EXPR valid_product() [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L535] FCALL setup() [L536] CALL runTest() [L515] CALL test() [L382] int splverifierCounter ; [L383] int tmp ; [L384] int tmp___0 ; [L385] int tmp___1 ; [L386] int tmp___2 ; [L389] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L391] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L393] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L399] tmp = __VERIFIER_nondet_int() [L401] COND TRUE \read(tmp) [L403] CALL waterRise() [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L403] RET waterRise() [L409] tmp___0 = __VERIFIER_nondet_int() [L411] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L419] tmp___2 = __VERIFIER_nondet_int() [L421] COND FALSE !(\read(tmp___2)) [L425] tmp___1 = __VERIFIER_nondet_int() [L427] COND TRUE \read(tmp___1) [L429] CALL stopSystem() [L368] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L375] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L429] RET stopSystem() [L436] CALL timeShift() [L194] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L201] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L209] CALL __utac_acc__Specification3_spec__1() [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L155] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L155] RET, EXPR isMethaneLevelCritical() [L155] tmp = isMethaneLevelCritical() [L157] COND FALSE !(\read(tmp)) [L161] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L161] RET, EXPR getWaterLevel() [L161] tmp___0 = getWaterLevel() [L163] COND TRUE tmp___0 == 2 [L165] CALL, EXPR isPumpRunning() [L301] int retValue_acc ; [L304] retValue_acc = pumpRunning [L305] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L165] RET, EXPR isPumpRunning() [L165] tmp___1 = isPumpRunning() [L167] COND FALSE !(\read(tmp___1)) [L171] CALL __automaton_fail() [L551] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 551]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 551]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 163 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1115 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1115 mSDsluCounter, 1673 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 921 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 752 mSDtfsCounter, 148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 385 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! [2022-01-11 05:52:56,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...