/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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:52:51,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:52:51,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:52:51,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:52:51,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:52:51,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:52:51,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:52:51,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:52:51,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:52:51,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:52:51,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:52:51,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:52:51,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:52:51,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:52:51,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:52:51,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:52:51,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:52:51,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:52:51,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:52:51,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:52:51,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:52:51,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:52:51,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:52:51,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:52:51,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 05:52:51,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 05:52:51,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 05:52:51,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 05:52:51,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 05:52:51,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 05:52:51,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:52:51,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:52:51,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:52:51,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:52:51,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:52:51,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:52:51,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:52:51,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:52:51,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:52:51,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:52:51,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:52:51,423 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 05:52:51,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:52:51,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:52:51,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:52:51,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:52:51,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:52:51,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:52:51,455 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:52:51,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:52:51,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:52:51,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:52:51,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:52:51,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:52:51,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:52:51,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:52:51,459 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:52:51,459 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:52:51,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:52:51,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:52:51,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:52:51,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:52:51,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:52:51,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:52:51,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:52:51,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:52:51,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:52:51,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:52:51,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:52:51,461 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:52:51,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:52:51,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:52:51,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:52:51,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:52:51,463 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:52:51,463 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:52:51,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:52:51,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:52:51,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:52:51,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:52:51,708 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:52:51,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product22.cil.c [2022-01-11 05:52:51,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70a106fa/a59367c2448e4b13877fa767ad772f86/FLAG99d220441 [2022-01-11 05:52:52,179 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:52:52,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product22.cil.c [2022-01-11 05:52:52,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70a106fa/a59367c2448e4b13877fa767ad772f86/FLAG99d220441 [2022-01-11 05:52:52,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70a106fa/a59367c2448e4b13877fa767ad772f86 [2022-01-11 05:52:52,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:52:52,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:52:52,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:52:52,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:52:52,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:52:52,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6815bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52, skipping insertion in model container [2022-01-11 05:52:52,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:52:52,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:52:52,421 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_product22.cil.c[2984,2997] [2022-01-11 05:52:52,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:52:52,558 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 05:52:52,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:52:52,582 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_product22.cil.c[2984,2997] [2022-01-11 05:52:52,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:52:52,647 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:52:52,676 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_product22.cil.c[2984,2997] [2022-01-11 05:52:52,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:52:52,725 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:52:52,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52 WrapperNode [2022-01-11 05:52:52,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:52:52,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:52:52,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:52:52,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:52:52,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,787 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 52, calls inlined = 81, statements flattened = 593 [2022-01-11 05:52:52,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:52:52,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:52:52,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:52:52,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:52:52,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:52:52,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:52:52,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:52:52,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:52:52,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (1/1) ... [2022-01-11 05:52:52,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:52:52,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:52:52,861 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 05:52:52,863 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 05:52:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:52:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:52:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:52:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:52:52,950 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:52:52,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:52:53,355 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:52:53,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:52:53,362 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 05:52:53,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:52:53 BoogieIcfgContainer [2022-01-11 05:52:53,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:52:53,365 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:52:53,365 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:52:53,366 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:52:53,368 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:52:53" (1/1) ... [2022-01-11 05:52:53,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:52:53 BasicIcfg [2022-01-11 05:52:53,472 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:52:53,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:52:53,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:52:53,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:52:53,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:52:52" (1/4) ... [2022-01-11 05:52:53,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b7ecfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:52:53, skipping insertion in model container [2022-01-11 05:52:53,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:52:52" (2/4) ... [2022-01-11 05:52:53,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b7ecfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:52:53, skipping insertion in model container [2022-01-11 05:52:53,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:52:53" (3/4) ... [2022-01-11 05:52:53,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b7ecfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:52:53, skipping insertion in model container [2022-01-11 05:52:53,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:52:53" (4/4) ... [2022-01-11 05:52:53,479 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product22.cil.cTransformedIcfg [2022-01-11 05:52:53,483 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:52:53,483 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-11 05:52:53,518 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:52:53,524 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 05:52:53,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-11 05:52:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 156 states have (on average 1.3717948717948718) internal successors, (214), 159 states have internal predecessors, (214), 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 05:52:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-11 05:52:53,545 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:52:53,545 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 05:52:53,546 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 05:52:53,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:52:53,550 INFO L85 PathProgramCache]: Analyzing trace with hash 475690422, now seen corresponding path program 1 times [2022-01-11 05:52:53,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:52:53,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594449585] [2022-01-11 05:52:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:52:53,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:52:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:52:53,758 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 05:52:53,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:52:53,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594449585] [2022-01-11 05:52:53,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594449585] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:52:53,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:52:53,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:52:53,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654838901] [2022-01-11 05:52:53,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:52:53,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 05:52:53,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:52:53,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 05:52:53,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:52:53,796 INFO L87 Difference]: Start difference. First operand has 160 states, 156 states have (on average 1.3717948717948718) internal successors, (214), 159 states have internal predecessors, (214), 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 05:52:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:52:53,835 INFO L93 Difference]: Finished difference Result 310 states and 417 transitions. [2022-01-11 05:52:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 05:52:53,837 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 05:52:53,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:52:53,844 INFO L225 Difference]: With dead ends: 310 [2022-01-11 05:52:53,845 INFO L226 Difference]: Without dead ends: 150 [2022-01-11 05:52:53,847 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 05:52:53,850 INFO L933 BasicCegarLoop]: 204 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, 204 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 05:52:53,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:52:53,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-01-11 05:52:53,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-01-11 05:52:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.3333333333333333) internal successors, (196), 149 states have internal predecessors, (196), 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 05:52:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 196 transitions. [2022-01-11 05:52:53,886 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 196 transitions. Word has length 19 [2022-01-11 05:52:53,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:52:53,886 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 196 transitions. [2022-01-11 05:52:53,886 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 05:52:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 196 transitions. [2022-01-11 05:52:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 05:52:53,888 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:52:53,888 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 05:52:53,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:52:53,888 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 05:52:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:52:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1252218064, now seen corresponding path program 1 times [2022-01-11 05:52:53,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:52:53,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925140733] [2022-01-11 05:52:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:52:53,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:52:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:52:53,968 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 05:52:53,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:52:53,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925140733] [2022-01-11 05:52:53,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925140733] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:52:53,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:52:53,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:52:53,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237296466] [2022-01-11 05:52:53,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:52:53,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:52:53,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:52:53,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:52:53,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:52:53,972 INFO L87 Difference]: Start difference. First operand 150 states and 196 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 05:52:54,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:52:54,019 INFO L93 Difference]: Finished difference Result 293 states and 385 transitions. [2022-01-11 05:52:54,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:52:54,023 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 05:52:54,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:52:54,025 INFO L225 Difference]: With dead ends: 293 [2022-01-11 05:52:54,025 INFO L226 Difference]: Without dead ends: 150 [2022-01-11 05:52:54,026 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 05:52:54,027 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 181 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:52:54,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 190 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:52:54,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-01-11 05:52:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-01-11 05:52:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.3129251700680271) internal successors, (193), 149 states have internal predecessors, (193), 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 05:52:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 193 transitions. [2022-01-11 05:52:54,045 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 193 transitions. Word has length 20 [2022-01-11 05:52:54,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:52:54,046 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 193 transitions. [2022-01-11 05:52:54,046 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 05:52:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 193 transitions. [2022-01-11 05:52:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-11 05:52:54,047 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:52:54,047 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 05:52:54,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 05:52:54,048 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 05:52:54,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:52:54,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1350275758, now seen corresponding path program 1 times [2022-01-11 05:52:54,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:52:54,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959043511] [2022-01-11 05:52:54,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:52:54,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:52:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:52:54,179 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 05:52:54,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:52:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959043511] [2022-01-11 05:52:54,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959043511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:52:54,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:52:54,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 05:52:54,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713813840] [2022-01-11 05:52:54,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:52:54,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 05:52:54,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:52:54,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 05:52:54,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:52:54,182 INFO L87 Difference]: Start difference. First operand 150 states and 193 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 05:52:54,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:52:54,482 INFO L93 Difference]: Finished difference Result 831 states and 1091 transitions. [2022-01-11 05:52:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 05:52:54,482 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 05:52:54,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:52:54,488 INFO L225 Difference]: With dead ends: 831 [2022-01-11 05:52:54,488 INFO L226 Difference]: Without dead ends: 463 [2022-01-11 05:52:54,495 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 05:52:54,498 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 886 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 1122 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 05:52:54,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [886 Valid, 1122 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 05:52:54,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2022-01-11 05:52:54,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 201. [2022-01-11 05:52:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 198 states have (on average 1.3131313131313131) internal successors, (260), 200 states have internal predecessors, (260), 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 05:52:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 260 transitions. [2022-01-11 05:52:54,542 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 260 transitions. Word has length 25 [2022-01-11 05:52:54,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:52:54,543 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 260 transitions. [2022-01-11 05:52:54,543 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 05:52:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 260 transitions. [2022-01-11 05:52:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-11 05:52:54,544 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:52:54,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:52:54,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 05:52:54,545 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 05:52:54,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:52:54,546 INFO L85 PathProgramCache]: Analyzing trace with hash -558886959, now seen corresponding path program 1 times [2022-01-11 05:52:54,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:52:54,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009816842] [2022-01-11 05:52:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:52:54,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:52:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:52:54,599 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 05:52:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:52:54,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 05:52:54,677 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 05:52:54,678 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-11 05:52:54,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-11 05:52:54,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-11 05:52:54,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 05:52:54,682 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-11 05:52:54,685 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 05:52:54,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:52:54 BasicIcfg [2022-01-11 05:52:54,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 05:52:54,780 INFO L158 Benchmark]: Toolchain (without parser) took 2577.35ms. Allocated memory was 178.3MB in the beginning and 265.3MB in the end (delta: 87.0MB). Free memory was 119.7MB in the beginning and 85.1MB in the end (delta: 34.6MB). Peak memory consumption was 120.9MB. Max. memory is 8.0GB. [2022-01-11 05:52:54,780 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:52:54,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.42ms. Allocated memory was 178.3MB in the beginning and 265.3MB in the end (delta: 87.0MB). Free memory was 119.6MB in the beginning and 221.9MB in the end (delta: -102.4MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-01-11 05:52:54,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.69ms. Allocated memory is still 265.3MB. Free memory was 221.4MB in the beginning and 217.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 05:52:54,781 INFO L158 Benchmark]: Boogie Preprocessor took 32.45ms. Allocated memory is still 265.3MB. Free memory was 217.7MB in the beginning and 215.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 05:52:54,782 INFO L158 Benchmark]: RCFGBuilder took 542.50ms. Allocated memory is still 265.3MB. Free memory was 215.6MB in the beginning and 191.5MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-01-11 05:52:54,782 INFO L158 Benchmark]: IcfgTransformer took 107.45ms. Allocated memory is still 265.3MB. Free memory was 191.5MB in the beginning and 183.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-11 05:52:54,783 INFO L158 Benchmark]: TraceAbstraction took 1305.94ms. Allocated memory is still 265.3MB. Free memory was 182.6MB in the beginning and 85.1MB in the end (delta: 97.5MB). Peak memory consumption was 97.5MB. Max. memory is 8.0GB. [2022-01-11 05:52:54,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 520.42ms. Allocated memory was 178.3MB in the beginning and 265.3MB in the end (delta: 87.0MB). Free memory was 119.6MB in the beginning and 221.9MB in the end (delta: -102.4MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.69ms. Allocated memory is still 265.3MB. Free memory was 221.4MB in the beginning and 217.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.45ms. Allocated memory is still 265.3MB. Free memory was 217.7MB in the beginning and 215.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 542.50ms. Allocated memory is still 265.3MB. Free memory was 215.6MB in the beginning and 191.5MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * IcfgTransformer took 107.45ms. Allocated memory is still 265.3MB. Free memory was 191.5MB in the beginning and 183.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1305.94ms. Allocated memory is still 265.3MB. Free memory was 182.6MB in the beginning and 85.1MB in the end (delta: 97.5MB). Peak memory consumption was 97.5MB. 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: 150]: 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; [L155] int cleanupTimeShifts = 4; [L296] int pumpRunning = 0; [L297] int systemActive = 1; [L719] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L234] int retValue_acc ; [L235] int tmp ; [L239] FCALL select_helpers() [L240] FCALL select_features() [L241] CALL, EXPR valid_product() [L283] int retValue_acc ; [L286] retValue_acc = 1 [L287] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L241] RET, EXPR valid_product() [L241] tmp = valid_product() [L243] COND TRUE \read(tmp) [L245] FCALL setup() [L246] CALL runTest() [L225] CALL test() [L484] int splverifierCounter ; [L485] int tmp ; [L486] int tmp___0 ; [L487] int tmp___1 ; [L488] int tmp___2 ; [L491] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L493] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L495] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L501] tmp = __VERIFIER_nondet_int() [L503] COND TRUE \read(tmp) [L505] 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] [L505] RET waterRise() [L511] tmp___0 = __VERIFIER_nondet_int() [L513] 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] [L521] tmp___2 = __VERIFIER_nondet_int() [L523] COND TRUE \read(tmp___2) [L525] CALL startSystem() [L478] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] RET startSystem() [L538] CALL timeShift() [L304] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L311] COND TRUE \read(systemActive) [L313] CALL processEnvironment() [L359] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L362] COND FALSE !(\read(pumpRunning)) [L377] CALL processEnvironment__wrappee__lowWaterSensor() [L333] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L336] COND FALSE !(\read(pumpRunning)) [L351] FCALL processEnvironment__wrappee__base() [L377] RET processEnvironment__wrappee__lowWaterSensor() [L313] RET processEnvironment() [L319] CALL __utac_acc__Specification3_spec__1() [L917] int tmp ; [L918] int tmp___0 ; [L919] int tmp___1 ; [L923] 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=1, waterLevel=2] [L923] RET, EXPR isMethaneLevelCritical() [L923] tmp = isMethaneLevelCritical() [L925] COND FALSE !(\read(tmp)) [L929] 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=1, waterLevel=2] [L929] RET, EXPR getWaterLevel() [L929] tmp___0 = getWaterLevel() [L931] COND TRUE tmp___0 == 2 [L933] CALL, EXPR isPumpRunning() [L411] int retValue_acc ; [L414] retValue_acc = pumpRunning [L415] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L933] RET, EXPR isPumpRunning() [L933] tmp___1 = isPumpRunning() [L935] COND FALSE !(\read(tmp___1)) [L939] CALL __automaton_fail() [L150] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 150]: 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: 150]: 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, 160 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, 1067 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1067 mSDsluCounter, 1516 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 802 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 714 mSDtfsCounter, 144 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=201occurred 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, 262 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 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 05:52:54,803 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...