/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:53,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:53,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:53,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:53,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:53,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:53,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:53,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:53,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:53,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:53,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:53,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:53,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:53,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:53,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:53,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:53,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:53,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:53,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:53,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:53,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:53,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:53,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:53,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:53,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:33:53,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:33:53,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:33:53,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:33:53,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:33:53,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:33:53,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:53,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:53,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:53,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:53,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:53,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:53,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:53,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:53,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:53,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:53,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:53,212 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:33:53,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:53,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:53,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:53,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:53,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:53,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:53,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:53,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:53,238 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:53,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:53,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:53,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:53,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:53,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:53,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:53,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:53,239 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:53,239 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:53,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:53,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:53,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:53,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:53,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:53,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:53,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:53,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:53,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:53,241 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:53,241 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:53,241 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:53,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:53,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:53,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:53,241 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:53,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:53,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:53,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:53,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:53,481 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:53,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2022-01-10 06:33:53,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/500958637/825d2dccccaa4c37bbe2986de2e9eeb3/FLAG120924419 [2022-01-10 06:33:53,998 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:53,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2022-01-10 06:33:54,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/500958637/825d2dccccaa4c37bbe2986de2e9eeb3/FLAG120924419 [2022-01-10 06:33:54,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/500958637/825d2dccccaa4c37bbe2986de2e9eeb3 [2022-01-10 06:33:54,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:54,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:54,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:54,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:54,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:54,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e113879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54, skipping insertion in model container [2022-01-10 06:33:54,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:54,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:54,450 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_product38.cil.c[15422,15435] [2022-01-10 06:33:54,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:54,499 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:54,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:54,576 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_product38.cil.c[15422,15435] [2022-01-10 06:33:54,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:54,600 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:54,641 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_product38.cil.c[15422,15435] [2022-01-10 06:33:54,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:54,669 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:54,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54 WrapperNode [2022-01-10 06:33:54,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:54,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:54,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:54,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:54,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,711 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 242 [2022-01-10 06:33:54,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:54,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:54,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:54,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:54,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:54,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:54,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:54,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:54,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (1/1) ... [2022-01-10 06:33:54,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:54,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:54,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:33:54,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:33:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:54,929 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:54,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:55,224 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:55,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:55,230 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:55,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:55 BoogieIcfgContainer [2022-01-10 06:33:55,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:55,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:55,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:55,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:55,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:54" (1/3) ... [2022-01-10 06:33:55,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dbf250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:55, skipping insertion in model container [2022-01-10 06:33:55,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:54" (2/3) ... [2022-01-10 06:33:55,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dbf250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:55, skipping insertion in model container [2022-01-10 06:33:55,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:55" (3/3) ... [2022-01-10 06:33:55,239 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2022-01-10 06:33:55,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:55,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:55,295 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:55,303 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:33:55,303 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:33:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:55,335 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:55,336 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] [2022-01-10 06:33:55,336 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:55,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:55,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1928340701, now seen corresponding path program 1 times [2022-01-10 06:33:55,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:55,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814709444] [2022-01-10 06:33:55,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:55,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:55,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:55,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:55,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:33:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:55,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:55,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:55,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:55,540 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:55,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814709444] [2022-01-10 06:33:55,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814709444] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:55,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:55,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:55,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588828135] [2022-01-10 06:33:55,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:55,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:55,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:55,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:55,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:55,575 INFO L87 Difference]: Start difference. First operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:55,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:55,601 INFO L93 Difference]: Finished difference Result 168 states and 229 transitions. [2022-01-10 06:33:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:55,603 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:55,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:55,611 INFO L225 Difference]: With dead ends: 168 [2022-01-10 06:33:55,611 INFO L226 Difference]: Without dead ends: 79 [2022-01-10 06:33:55,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:55,618 INFO L933 BasicCegarLoop]: 111 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, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:55,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:55,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-01-10 06:33:55,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-01-10 06:33:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2022-01-10 06:33:55,662 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2022-01-10 06:33:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:55,662 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2022-01-10 06:33:55,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-01-10 06:33:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:55,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:55,667 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] [2022-01-10 06:33:55,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:33:55,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:55,879 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:55,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:55,880 INFO L85 PathProgramCache]: Analyzing trace with hash -2041135719, now seen corresponding path program 1 times [2022-01-10 06:33:55,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:55,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089815346] [2022-01-10 06:33:55,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:55,881 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:55,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:55,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:55,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:33:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:55,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:55,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:56,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:56,058 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:56,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089815346] [2022-01-10 06:33:56,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089815346] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:56,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:56,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:56,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100741630] [2022-01-10 06:33:56,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:56,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:56,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:56,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:56,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:56,063 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:56,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:56,081 INFO L93 Difference]: Finished difference Result 123 states and 159 transitions. [2022-01-10 06:33:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:56,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:56,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:56,084 INFO L225 Difference]: With dead ends: 123 [2022-01-10 06:33:56,084 INFO L226 Difference]: Without dead ends: 70 [2022-01-10 06:33:56,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:56,086 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 13 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:56,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:56,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-01-10 06:33:56,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-01-10 06:33:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 61 states have internal predecessors, (72), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:33:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2022-01-10 06:33:56,094 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 26 [2022-01-10 06:33:56,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:56,094 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-01-10 06:33:56,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2022-01-10 06:33:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:33:56,096 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:56,096 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] [2022-01-10 06:33:56,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:56,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:56,309 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:56,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:56,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1999159483, now seen corresponding path program 1 times [2022-01-10 06:33:56,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:56,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932759868] [2022-01-10 06:33:56,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:56,311 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:56,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:56,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:56,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:33:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:56,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:56,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:56,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:56,457 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:56,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932759868] [2022-01-10 06:33:56,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932759868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:56,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:56,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:56,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072845078] [2022-01-10 06:33:56,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:56,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:56,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:56,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:56,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:56,463 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:56,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:56,480 INFO L93 Difference]: Finished difference Result 133 states and 174 transitions. [2022-01-10 06:33:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:56,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-01-10 06:33:56,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:56,484 INFO L225 Difference]: With dead ends: 133 [2022-01-10 06:33:56,484 INFO L226 Difference]: Without dead ends: 70 [2022-01-10 06:33:56,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:56,488 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 70 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:56,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:56,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-01-10 06:33:56,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-01-10 06:33:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:33:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-01-10 06:33:56,501 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 31 [2022-01-10 06:33:56,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:56,501 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-01-10 06:33:56,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-01-10 06:33:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 06:33:56,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:56,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:56,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:56,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:56,712 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:56,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:56,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1128329484, now seen corresponding path program 1 times [2022-01-10 06:33:56,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:56,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5840655] [2022-01-10 06:33:56,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:56,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:56,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:56,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:56,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:33:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:56,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:56,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:56,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:56,885 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:56,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5840655] [2022-01-10 06:33:56,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5840655] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:56,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:56,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:56,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458432107] [2022-01-10 06:33:56,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:56,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:56,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:56,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:56,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:56,886 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:33:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:57,045 INFO L93 Difference]: Finished difference Result 208 states and 265 transitions. [2022-01-10 06:33:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:57,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-01-10 06:33:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:57,047 INFO L225 Difference]: With dead ends: 208 [2022-01-10 06:33:57,047 INFO L226 Difference]: Without dead ends: 145 [2022-01-10 06:33:57,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:57,053 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 162 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:57,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 367 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:57,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-01-10 06:33:57,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 139. [2022-01-10 06:33:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 108 states have (on average 1.2685185185185186) internal successors, (137), 115 states have internal predecessors, (137), 15 states have call successors, (15), 12 states have call predecessors, (15), 15 states have return successors, (18), 16 states have call predecessors, (18), 15 states have call successors, (18) [2022-01-10 06:33:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 170 transitions. [2022-01-10 06:33:57,076 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 170 transitions. Word has length 41 [2022-01-10 06:33:57,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:57,077 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 170 transitions. [2022-01-10 06:33:57,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:33:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 170 transitions. [2022-01-10 06:33:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:33:57,078 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:57,078 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:57,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:57,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:57,287 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:57,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:57,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1086887613, now seen corresponding path program 1 times [2022-01-10 06:33:57,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:57,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208990603] [2022-01-10 06:33:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:57,289 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:57,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:57,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:57,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:33:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:57,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:57,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:57,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:57,510 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:57,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208990603] [2022-01-10 06:33:57,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208990603] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:57,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:57,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:57,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849190615] [2022-01-10 06:33:57,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:57,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:57,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:57,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:57,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:57,515 INFO L87 Difference]: Start difference. First operand 139 states and 170 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:57,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:57,567 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2022-01-10 06:33:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:57,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-01-10 06:33:57,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:57,569 INFO L225 Difference]: With dead ends: 277 [2022-01-10 06:33:57,569 INFO L226 Difference]: Without dead ends: 145 [2022-01-10 06:33:57,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:57,571 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 10 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:57,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 348 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:57,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-01-10 06:33:57,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2022-01-10 06:33:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 111 states have (on average 1.2612612612612613) internal successors, (140), 118 states have internal predecessors, (140), 15 states have call successors, (15), 12 states have call predecessors, (15), 15 states have return successors, (18), 16 states have call predecessors, (18), 15 states have call successors, (18) [2022-01-10 06:33:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 173 transitions. [2022-01-10 06:33:57,586 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 173 transitions. Word has length 45 [2022-01-10 06:33:57,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:57,587 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 173 transitions. [2022-01-10 06:33:57,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:57,587 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2022-01-10 06:33:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:33:57,588 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:57,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:57,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:57,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:57,789 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:57,790 INFO L85 PathProgramCache]: Analyzing trace with hash 269239163, now seen corresponding path program 1 times [2022-01-10 06:33:57,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:57,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629849687] [2022-01-10 06:33:57,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:57,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:57,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:57,792 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:57,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:33:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:57,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:57,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:57,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:57,922 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:57,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629849687] [2022-01-10 06:33:57,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629849687] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:57,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:57,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:57,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988581776] [2022-01-10 06:33:57,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:57,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:33:57,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:57,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:33:57,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:33:57,926 INFO L87 Difference]: Start difference. First operand 142 states and 173 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:57,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:57,959 INFO L93 Difference]: Finished difference Result 285 states and 353 transitions. [2022-01-10 06:33:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:33:57,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-01-10 06:33:57,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:57,964 INFO L225 Difference]: With dead ends: 285 [2022-01-10 06:33:57,964 INFO L226 Difference]: Without dead ends: 150 [2022-01-10 06:33:57,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:57,969 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 11 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:57,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 262 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:57,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-01-10 06:33:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 144. [2022-01-10 06:33:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 113 states have (on average 1.2566371681415929) internal successors, (142), 120 states have internal predecessors, (142), 15 states have call successors, (15), 12 states have call predecessors, (15), 15 states have return successors, (18), 16 states have call predecessors, (18), 15 states have call successors, (18) [2022-01-10 06:33:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 175 transitions. [2022-01-10 06:33:57,991 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 175 transitions. Word has length 45 [2022-01-10 06:33:57,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:57,991 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 175 transitions. [2022-01-10 06:33:57,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 175 transitions. [2022-01-10 06:33:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:33:57,992 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:57,993 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:58,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:58,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,202 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:58,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:58,203 INFO L85 PathProgramCache]: Analyzing trace with hash 488093881, now seen corresponding path program 1 times [2022-01-10 06:33:58,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:58,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155917183] [2022-01-10 06:33:58,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:58,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:58,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:58,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:33:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:58,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:58,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:58,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:58,384 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:58,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155917183] [2022-01-10 06:33:58,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155917183] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:58,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:58,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:58,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032281966] [2022-01-10 06:33:58,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:58,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:58,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:58,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:58,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:58,386 INFO L87 Difference]: Start difference. First operand 144 states and 175 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:58,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:58,408 INFO L93 Difference]: Finished difference Result 332 states and 409 transitions. [2022-01-10 06:33:58,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:58,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-01-10 06:33:58,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:58,414 INFO L225 Difference]: With dead ends: 332 [2022-01-10 06:33:58,414 INFO L226 Difference]: Without dead ends: 195 [2022-01-10 06:33:58,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:58,415 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 41 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:58,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 168 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:58,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-01-10 06:33:58,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2022-01-10 06:33:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 151 states have (on average 1.2450331125827814) internal successors, (188), 159 states have internal predecessors, (188), 21 states have call successors, (21), 18 states have call predecessors, (21), 20 states have return successors, (24), 21 states have call predecessors, (24), 21 states have call successors, (24) [2022-01-10 06:33:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 233 transitions. [2022-01-10 06:33:58,429 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 233 transitions. Word has length 45 [2022-01-10 06:33:58,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:58,429 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 233 transitions. [2022-01-10 06:33:58,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 233 transitions. [2022-01-10 06:33:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-10 06:33:58,430 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:58,430 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:58,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:58,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,640 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:58,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:58,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2000597692, now seen corresponding path program 1 times [2022-01-10 06:33:58,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:58,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955815461] [2022-01-10 06:33:58,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:58,641 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:58,643 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:58,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:33:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:58,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:33:58,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:58,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:58,833 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:58,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955815461] [2022-01-10 06:33:58,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955815461] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:58,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:58,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:58,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008349011] [2022-01-10 06:33:58,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:58,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:58,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:58,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:58,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:58,836 INFO L87 Difference]: Start difference. First operand 193 states and 233 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:58,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:58,882 INFO L93 Difference]: Finished difference Result 380 states and 460 transitions. [2022-01-10 06:33:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:33:58,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2022-01-10 06:33:58,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:58,884 INFO L225 Difference]: With dead ends: 380 [2022-01-10 06:33:58,884 INFO L226 Difference]: Without dead ends: 194 [2022-01-10 06:33:58,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:58,885 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 25 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:58,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 350 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:58,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-01-10 06:33:58,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 191. [2022-01-10 06:33:58,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 149 states have (on average 1.2348993288590604) internal successors, (184), 157 states have internal predecessors, (184), 21 states have call successors, (21), 18 states have call predecessors, (21), 20 states have return successors, (24), 21 states have call predecessors, (24), 21 states have call successors, (24) [2022-01-10 06:33:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 229 transitions. [2022-01-10 06:33:58,898 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 229 transitions. Word has length 47 [2022-01-10 06:33:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:58,898 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 229 transitions. [2022-01-10 06:33:58,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 229 transitions. [2022-01-10 06:33:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:33:58,900 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:58,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:58,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:59,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,109 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:59,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:59,110 INFO L85 PathProgramCache]: Analyzing trace with hash 568530835, now seen corresponding path program 1 times [2022-01-10 06:33:59,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:59,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945784707] [2022-01-10 06:33:59,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:59,110 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:59,111 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:59,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:33:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:59,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:59,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:59,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:59,268 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:59,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945784707] [2022-01-10 06:33:59,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945784707] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:59,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:59,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:59,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714987683] [2022-01-10 06:33:59,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:59,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:59,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:59,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:59,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:59,271 INFO L87 Difference]: Start difference. First operand 191 states and 229 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:59,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:59,330 INFO L93 Difference]: Finished difference Result 199 states and 236 transitions. [2022-01-10 06:33:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:33:59,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-01-10 06:33:59,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:59,334 INFO L225 Difference]: With dead ends: 199 [2022-01-10 06:33:59,334 INFO L226 Difference]: Without dead ends: 197 [2022-01-10 06:33:59,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:59,336 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 59 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:59,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 457 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:59,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-01-10 06:33:59,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 191. [2022-01-10 06:33:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 149 states have (on average 1.221476510067114) internal successors, (182), 157 states have internal predecessors, (182), 21 states have call successors, (21), 18 states have call predecessors, (21), 20 states have return successors, (24), 21 states have call predecessors, (24), 21 states have call successors, (24) [2022-01-10 06:33:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 227 transitions. [2022-01-10 06:33:59,353 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 227 transitions. Word has length 49 [2022-01-10 06:33:59,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:59,353 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 227 transitions. [2022-01-10 06:33:59,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 227 transitions. [2022-01-10 06:33:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:33:59,356 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:59,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:59,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:59,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,565 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:59,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:59,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2010096226, now seen corresponding path program 1 times [2022-01-10 06:33:59,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:59,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297874013] [2022-01-10 06:33:59,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:59,566 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:59,604 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:59,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:33:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:59,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:33:59,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:59,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:59,822 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:59,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297874013] [2022-01-10 06:33:59,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297874013] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:59,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:59,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:59,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102905609] [2022-01-10 06:33:59,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:59,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:59,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:59,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:59,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:59,824 INFO L87 Difference]: Start difference. First operand 191 states and 227 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:34:00,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:00,166 INFO L93 Difference]: Finished difference Result 581 states and 714 transitions. [2022-01-10 06:34:00,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:34:00,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2022-01-10 06:34:00,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:00,169 INFO L225 Difference]: With dead ends: 581 [2022-01-10 06:34:00,169 INFO L226 Difference]: Without dead ends: 444 [2022-01-10 06:34:00,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:34:00,170 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 233 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:00,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 399 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:34:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-01-10 06:34:00,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 430. [2022-01-10 06:34:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 335 states have (on average 1.2238805970149254) internal successors, (410), 354 states have internal predecessors, (410), 48 states have call successors, (48), 39 states have call predecessors, (48), 46 states have return successors, (57), 48 states have call predecessors, (57), 48 states have call successors, (57) [2022-01-10 06:34:00,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 515 transitions. [2022-01-10 06:34:00,197 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 515 transitions. Word has length 51 [2022-01-10 06:34:00,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:00,198 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 515 transitions. [2022-01-10 06:34:00,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:34:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 515 transitions. [2022-01-10 06:34:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:34:00,199 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:00,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:00,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:00,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,408 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:00,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:00,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2144109732, now seen corresponding path program 1 times [2022-01-10 06:34:00,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:00,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715065124] [2022-01-10 06:34:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:00,409 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:00,410 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:00,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:34:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:00,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:00,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:00,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:00,542 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:00,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715065124] [2022-01-10 06:34:00,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715065124] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:00,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:00,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:00,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890316032] [2022-01-10 06:34:00,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:00,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:34:00,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:00,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:34:00,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:34:00,544 INFO L87 Difference]: Start difference. First operand 430 states and 515 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:00,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:00,578 INFO L93 Difference]: Finished difference Result 808 states and 977 transitions. [2022-01-10 06:34:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:34:00,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-01-10 06:34:00,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:00,581 INFO L225 Difference]: With dead ends: 808 [2022-01-10 06:34:00,581 INFO L226 Difference]: Without dead ends: 430 [2022-01-10 06:34:00,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:00,583 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 15 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:00,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 264 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:00,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-01-10 06:34:00,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 427. [2022-01-10 06:34:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 332 states have (on average 1.2198795180722892) internal successors, (405), 351 states have internal predecessors, (405), 48 states have call successors, (48), 39 states have call predecessors, (48), 46 states have return successors, (57), 48 states have call predecessors, (57), 48 states have call successors, (57) [2022-01-10 06:34:00,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 510 transitions. [2022-01-10 06:34:00,606 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 510 transitions. Word has length 51 [2022-01-10 06:34:00,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:00,607 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 510 transitions. [2022-01-10 06:34:00,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:00,607 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 510 transitions. [2022-01-10 06:34:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:34:00,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:00,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:00,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:00,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,820 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:00,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:00,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1925255014, now seen corresponding path program 1 times [2022-01-10 06:34:00,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:00,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792973631] [2022-01-10 06:34:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:00,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:00,822 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:00,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:34:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:00,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:00,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:00,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:00,960 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:00,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792973631] [2022-01-10 06:34:00,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792973631] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:00,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:00,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:00,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477494312] [2022-01-10 06:34:00,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:00,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:00,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:00,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:00,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:00,962 INFO L87 Difference]: Start difference. First operand 427 states and 510 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:01,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:01,001 INFO L93 Difference]: Finished difference Result 774 states and 934 transitions. [2022-01-10 06:34:01,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:01,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-01-10 06:34:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:01,004 INFO L225 Difference]: With dead ends: 774 [2022-01-10 06:34:01,004 INFO L226 Difference]: Without dead ends: 399 [2022-01-10 06:34:01,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:01,006 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 12 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:01,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 344 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:01,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2022-01-10 06:34:01,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2022-01-10 06:34:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 312 states have (on average 1.2147435897435896) internal successors, (379), 329 states have internal predecessors, (379), 45 states have call successors, (45), 36 states have call predecessors, (45), 41 states have return successors, (52), 44 states have call predecessors, (52), 45 states have call successors, (52) [2022-01-10 06:34:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 476 transitions. [2022-01-10 06:34:01,026 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 476 transitions. Word has length 51 [2022-01-10 06:34:01,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:01,026 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 476 transitions. [2022-01-10 06:34:01,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 476 transitions. [2022-01-10 06:34:01,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-01-10 06:34:01,027 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:01,027 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:01,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:01,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,236 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:01,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:01,237 INFO L85 PathProgramCache]: Analyzing trace with hash 896506289, now seen corresponding path program 1 times [2022-01-10 06:34:01,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:01,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792604283] [2022-01-10 06:34:01,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:01,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:01,238 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:01,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 06:34:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:01,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:01,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:34:01,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:01,510 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:01,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792604283] [2022-01-10 06:34:01,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792604283] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:01,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:01,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:01,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201892398] [2022-01-10 06:34:01,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:01,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:01,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:01,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:01,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:01,512 INFO L87 Difference]: Start difference. First operand 399 states and 476 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:01,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:01,606 INFO L93 Difference]: Finished difference Result 1183 states and 1441 transitions. [2022-01-10 06:34:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:01,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 83 [2022-01-10 06:34:01,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:01,610 INFO L225 Difference]: With dead ends: 1183 [2022-01-10 06:34:01,610 INFO L226 Difference]: Without dead ends: 791 [2022-01-10 06:34:01,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:01,612 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 53 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:01,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 355 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:01,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2022-01-10 06:34:01,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 789. [2022-01-10 06:34:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 616 states have (on average 1.1883116883116882) internal successors, (732), 649 states have internal predecessors, (732), 90 states have call successors, (90), 72 states have call predecessors, (90), 82 states have return successors, (111), 88 states have call predecessors, (111), 90 states have call successors, (111) [2022-01-10 06:34:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 933 transitions. [2022-01-10 06:34:01,668 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 933 transitions. Word has length 83 [2022-01-10 06:34:01,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:01,668 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 933 transitions. [2022-01-10 06:34:01,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 933 transitions. [2022-01-10 06:34:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-01-10 06:34:01,669 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:01,670 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:01,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:01,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,878 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:01,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:01,879 INFO L85 PathProgramCache]: Analyzing trace with hash -918303171, now seen corresponding path program 1 times [2022-01-10 06:34:01,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:01,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281508914] [2022-01-10 06:34:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:01,879 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:01,880 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:01,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 06:34:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:01,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:34:01,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:34:02,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:02,157 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:02,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281508914] [2022-01-10 06:34:02,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281508914] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:02,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:02,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 06:34:02,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348306592] [2022-01-10 06:34:02,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:02,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 06:34:02,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:02,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 06:34:02,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:34:02,159 INFO L87 Difference]: Start difference. First operand 789 states and 933 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-01-10 06:34:02,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:02,690 INFO L93 Difference]: Finished difference Result 1874 states and 2252 transitions. [2022-01-10 06:34:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-10 06:34:02,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 85 [2022-01-10 06:34:02,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:02,695 INFO L225 Difference]: With dead ends: 1874 [2022-01-10 06:34:02,695 INFO L226 Difference]: Without dead ends: 1182 [2022-01-10 06:34:02,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-01-10 06:34:02,698 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 246 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:02,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 552 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 06:34:02,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-01-10 06:34:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1122. [2022-01-10 06:34:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 864 states have (on average 1.1608796296296295) internal successors, (1003), 910 states have internal predecessors, (1003), 130 states have call successors, (130), 114 states have call predecessors, (130), 127 states have return successors, (159), 126 states have call predecessors, (159), 130 states have call successors, (159) [2022-01-10 06:34:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1292 transitions. [2022-01-10 06:34:02,746 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1292 transitions. Word has length 85 [2022-01-10 06:34:02,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:02,746 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 1292 transitions. [2022-01-10 06:34:02,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 4 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-01-10 06:34:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1292 transitions. [2022-01-10 06:34:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-10 06:34:02,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:02,748 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:02,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:02,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:02,957 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:02,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:02,957 INFO L85 PathProgramCache]: Analyzing trace with hash 71511981, now seen corresponding path program 1 times [2022-01-10 06:34:02,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:02,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060344435] [2022-01-10 06:34:02,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:02,958 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:02,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:02,980 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:02,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 06:34:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:03,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:03,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-10 06:34:03,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:34:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:34:03,473 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:03,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060344435] [2022-01-10 06:34:03,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060344435] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-10 06:34:03,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 06:34:03,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-01-10 06:34:03,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872800010] [2022-01-10 06:34:03,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:03,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:03,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:03,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:03,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:34:03,474 INFO L87 Difference]: Start difference. First operand 1122 states and 1292 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-10 06:34:03,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:03,617 INFO L93 Difference]: Finished difference Result 2312 states and 2734 transitions. [2022-01-10 06:34:03,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:34:03,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 87 [2022-01-10 06:34:03,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:03,622 INFO L225 Difference]: With dead ends: 2312 [2022-01-10 06:34:03,623 INFO L226 Difference]: Without dead ends: 1197 [2022-01-10 06:34:03,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:34:03,626 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 69 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:03,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 590 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:03,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-01-10 06:34:03,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1073. [2022-01-10 06:34:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 816 states have (on average 1.1274509803921569) internal successors, (920), 861 states have internal predecessors, (920), 130 states have call successors, (130), 114 states have call predecessors, (130), 126 states have return successors, (147), 126 states have call predecessors, (147), 130 states have call successors, (147) [2022-01-10 06:34:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1197 transitions. [2022-01-10 06:34:03,683 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1197 transitions. Word has length 87 [2022-01-10 06:34:03,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:03,683 INFO L470 AbstractCegarLoop]: Abstraction has 1073 states and 1197 transitions. [2022-01-10 06:34:03,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-10 06:34:03,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1197 transitions. [2022-01-10 06:34:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-10 06:34:03,685 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:03,685 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:03,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:03,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,895 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:03,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:03,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1827014903, now seen corresponding path program 1 times [2022-01-10 06:34:03,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:03,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462575005] [2022-01-10 06:34:03,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:03,896 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:03,897 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:03,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 06:34:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:03,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:34:03,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-10 06:34:04,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:04,128 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:04,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462575005] [2022-01-10 06:34:04,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462575005] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:04,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:04,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:34:04,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542835592] [2022-01-10 06:34:04,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:04,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 06:34:04,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:04,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 06:34:04,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:04,130 INFO L87 Difference]: Start difference. First operand 1073 states and 1197 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:04,241 INFO L93 Difference]: Finished difference Result 1996 states and 2232 transitions. [2022-01-10 06:34:04,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:34:04,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2022-01-10 06:34:04,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:04,243 INFO L225 Difference]: With dead ends: 1996 [2022-01-10 06:34:04,243 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:34:04,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:34:04,247 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 47 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:04,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 647 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:04,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:34:04,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:34:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:04,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:34:04,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2022-01-10 06:34:04,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:04,248 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:34:04,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:34:04,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:34:04,251 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:34:04,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:04,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:34:08,767 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2022-01-10 06:34:08,767 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2022-01-10 06:34:08,767 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 853 864) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not .cse5)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not .cse2)) (.cse6 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse4 .cse5 .cse6)))) [2022-01-10 06:34:08,767 INFO L858 garLoopResultBuilder]: For program point L857-1(lines 853 864) no Hoare annotation was computed. [2022-01-10 06:34:08,767 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 853 864) no Hoare annotation was computed. [2022-01-10 06:34:08,767 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 865 873) the Hoare annotation is: true [2022-01-10 06:34:08,767 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 865 873) no Hoare annotation was computed. [2022-01-10 06:34:08,767 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 865 873) no Hoare annotation was computed. [2022-01-10 06:34:08,768 INFO L861 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: true [2022-01-10 06:34:08,768 INFO L858 garLoopResultBuilder]: For program point L737-1(line 737) no Hoare annotation was computed. [2022-01-10 06:34:08,768 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 731 760) no Hoare annotation was computed. [2022-01-10 06:34:08,768 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 731 760) the Hoare annotation is: true [2022-01-10 06:34:08,768 INFO L861 garLoopResultBuilder]: At program point L756(lines 731 760) the Hoare annotation is: true [2022-01-10 06:34:08,768 INFO L858 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2022-01-10 06:34:08,768 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2022-01-10 06:34:08,768 INFO L861 garLoopResultBuilder]: At program point L745-1(lines 745 749) the Hoare annotation is: true [2022-01-10 06:34:08,768 INFO L858 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2022-01-10 06:34:08,768 INFO L861 garLoopResultBuilder]: At program point L741-2(lines 741 755) the Hoare annotation is: true [2022-01-10 06:34:08,768 INFO L854 garLoopResultBuilder]: At program point L287(lines 282 290) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|)) (.cse5 (= |timeShift_isPumpRunning_#res#1| (_ bv1 32)))) (and (or .cse0 .cse1 .cse2) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse3) (or .cse0 (and .cse4 .cse5 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32)) (= |timeShift_processEnvironment_~tmp~2#1| (_ bv0 32))) .cse3) (or .cse0 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) .cse4 .cse5 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1|) (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|) (= ~waterLevel~0 |old(~waterLevel~0)|))))) [2022-01-10 06:34:08,768 INFO L858 garLoopResultBuilder]: For program point L725(line 725) no Hoare annotation was computed. [2022-01-10 06:34:08,768 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 175 194) no Hoare annotation was computed. [2022-01-10 06:34:08,768 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 246) no Hoare annotation was computed. [2022-01-10 06:34:08,769 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2022-01-10 06:34:08,769 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2022-01-10 06:34:08,769 INFO L858 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2022-01-10 06:34:08,769 INFO L854 garLoopResultBuilder]: At program point L936-1(lines 921 953) the Hoare annotation is: (let ((.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse12 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| (_ bv0 32)))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|)) (.cse14 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv0 32))) (.cse0 (not .cse9)) (.cse7 (not .cse10)) (.cse13 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (let ((.cse4 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1|)) (.cse5 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|))) (or .cse0 (and .cse3 .cse4 .cse2 .cse5 .cse6) .cse1 .cse7 (and .cse8 .cse3 .cse9 .cse4 .cse5 .cse6))) (or .cse0 .cse10 (and .cse11 .cse2 .cse6) .cse1 (and .cse8 .cse9 .cse11 .cse6)) (or .cse12 .cse0 (and .cse8 .cse9) .cse1) (or .cse12 .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse13) (or .cse0 .cse10 (and .cse11 .cse2) (and .cse8 .cse14 .cse9 .cse15 .cse11) .cse13) (or (and .cse8 .cse3 .cse14 .cse9 (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32)) .cse15) .cse0 .cse7 .cse13)))) [2022-01-10 06:34:08,769 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2022-01-10 06:34:08,769 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2022-01-10 06:34:08,769 INFO L854 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse0 (and .cse3 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv0 32))) .cse4 .cse2) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse4) (or .cse0 (and .cse3 (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse4) (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse2 .cse5) .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse5))))) [2022-01-10 06:34:08,769 INFO L854 garLoopResultBuilder]: At program point L833-2(lines 829 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2022-01-10 06:34:08,769 INFO L858 garLoopResultBuilder]: For program point L928-1(line 928) no Hoare annotation was computed. [2022-01-10 06:34:08,770 INFO L854 garLoopResultBuilder]: At program point L726(lines 721 728) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2022-01-10 06:34:08,770 INFO L854 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2022-01-10 06:34:08,770 INFO L858 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2022-01-10 06:34:08,770 INFO L854 garLoopResultBuilder]: At program point L268(lines 263 270) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (or .cse0 (and (not (= ~methaneLevelCritical~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) .cse1) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2022-01-10 06:34:08,770 INFO L854 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32)) (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1) (or .cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_processEnvironment_~tmp~2#1| (_ bv0 32))) .cse1))) [2022-01-10 06:34:08,770 INFO L858 garLoopResultBuilder]: For program point L930(lines 930 950) no Hoare annotation was computed. [2022-01-10 06:34:08,770 INFO L854 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))))) [2022-01-10 06:34:08,770 INFO L854 garLoopResultBuilder]: At program point L249-1(lines 230 254) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse0 (and .cse3 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv0 32))) .cse4 .cse2) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse4) (or .cse0 (and .cse3 (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse4) (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse2 .cse5) .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse5))))) [2022-01-10 06:34:08,771 INFO L854 garLoopResultBuilder]: At program point L278(lines 271 281) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32)) (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2022-01-10 06:34:08,771 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2022-01-10 06:34:08,771 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (and (= (_ bv0 32) ~pumpRunning~0) .cse1)) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))))) [2022-01-10 06:34:08,771 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2022-01-10 06:34:08,771 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2022-01-10 06:34:08,771 INFO L854 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|)) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse4 .cse0 .cse1) (let ((.cse6 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 (and .cse4 .cse5 .cse6 .cse7) (and .cse5 .cse2 .cse6 .cse7))) (or .cse0 .cse8 .cse1) (or .cse3 .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse9) (or .cse0 (and .cse5 .cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32)) (= |timeShift_processEnvironment_~tmp~2#1| (_ bv0 32))) .cse9))) [2022-01-10 06:34:08,771 INFO L861 garLoopResultBuilder]: At program point L799(lines 792 801) the Hoare annotation is: true [2022-01-10 06:34:08,771 INFO L854 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2022-01-10 06:34:08,771 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 819) no Hoare annotation was computed. [2022-01-10 06:34:08,771 INFO L858 garLoopResultBuilder]: For program point L812-2(lines 812 819) no Hoare annotation was computed. [2022-01-10 06:34:08,772 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:34:08,772 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:34:08,772 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:34:08,772 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2022-01-10 06:34:08,772 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 123 129) no Hoare annotation was computed. [2022-01-10 06:34:08,772 INFO L861 garLoopResultBuilder]: At program point L821(lines 802 824) the Hoare annotation is: true [2022-01-10 06:34:08,772 INFO L854 garLoopResultBuilder]: At program point L148(lines 103 150) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2022-01-10 06:34:08,772 INFO L854 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2022-01-10 06:34:08,772 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:34:08,772 INFO L854 garLoopResultBuilder]: At program point L351(lines 346 353) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2022-01-10 06:34:08,772 INFO L854 garLoopResultBuilder]: At program point L789(lines 785 791) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:08,772 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:08,772 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2022-01-10 06:34:08,773 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:08,773 INFO L854 garLoopResultBuilder]: At program point L141-2(lines 133 146) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2022-01-10 06:34:08,773 INFO L858 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2022-01-10 06:34:08,773 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 146) no Hoare annotation was computed. [2022-01-10 06:34:08,773 INFO L854 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1))) [2022-01-10 06:34:08,773 INFO L861 garLoopResultBuilder]: At program point L154(lines 93 158) the Hoare annotation is: true [2022-01-10 06:34:08,773 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-01-10 06:34:08,773 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2022-01-10 06:34:08,773 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2022-01-10 06:34:08,773 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:08,773 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= |old(~pumpRunning~0)| (_ bv1 32)))))) [2022-01-10 06:34:08,773 INFO L854 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= |old(~pumpRunning~0)| (_ bv1 32)))))) [2022-01-10 06:34:08,774 INFO L858 garLoopResultBuilder]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2022-01-10 06:34:08,774 INFO L854 garLoopResultBuilder]: At program point L915(lines 906 919) the Hoare annotation is: (let ((.cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or .cse0 (and .cse1 (not (= ~waterLevel~0 (_ bv2 32))) .cse2) .cse3 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) .cse2))) (or .cse1 .cse0 .cse3 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:34:08,774 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 204 228) no Hoare annotation was computed. [2022-01-10 06:34:08,774 INFO L854 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2022-01-10 06:34:08,774 INFO L854 garLoopResultBuilder]: At program point L342(lines 327 345) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse2 (= (_ bv1 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse0 (not .cse5)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse3))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) .cse2 .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| (_ bv0 32))) .cse4) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse4)))) [2022-01-10 06:34:08,774 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2022-01-10 06:34:08,774 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2022-01-10 06:34:08,774 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2022-01-10 06:34:08,774 INFO L858 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2022-01-10 06:34:08,774 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2022-01-10 06:34:08,774 INFO L854 garLoopResultBuilder]: At program point L260(lines 255 262) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 (and (= (_ bv1 32) ~pumpRunning~0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv1 32)) (= (_ bv1 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| (_ bv0 32))) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:34:08,775 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 841 852) no Hoare annotation was computed. [2022-01-10 06:34:08,775 INFO L858 garLoopResultBuilder]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2022-01-10 06:34:08,775 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 841 852) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= (_ bv1 32) ~pumpRunning~0)) .cse1))) [2022-01-10 06:34:08,778 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:08,779 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:34:08,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:08 BoogieIcfgContainer [2022-01-10 06:34:08,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:34:08,823 INFO L158 Benchmark]: Toolchain (without parser) took 14796.23ms. Allocated memory was 172.0MB in the beginning and 268.4MB in the end (delta: 96.5MB). Free memory was 113.8MB in the beginning and 85.0MB in the end (delta: 28.8MB). Peak memory consumption was 128.8MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,824 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 131.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:08,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.85ms. Allocated memory was 172.0MB in the beginning and 223.3MB in the end (delta: 51.4MB). Free memory was 113.6MB in the beginning and 180.6MB in the end (delta: -67.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.54ms. Allocated memory is still 223.3MB. Free memory was 180.6MB in the beginning and 178.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,824 INFO L158 Benchmark]: Boogie Preprocessor took 34.79ms. Allocated memory is still 223.3MB. Free memory was 178.1MB in the beginning and 176.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,825 INFO L158 Benchmark]: RCFGBuilder took 484.49ms. Allocated memory is still 223.3MB. Free memory was 176.5MB in the beginning and 158.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,825 INFO L158 Benchmark]: TraceAbstraction took 13588.86ms. Allocated memory was 223.3MB in the beginning and 268.4MB in the end (delta: 45.1MB). Free memory was 158.2MB in the beginning and 85.0MB in the end (delta: 73.2MB). Peak memory consumption was 122.4MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 131.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 638.85ms. Allocated memory was 172.0MB in the beginning and 223.3MB in the end (delta: 51.4MB). Free memory was 113.6MB in the beginning and 180.6MB in the end (delta: -67.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.54ms. Allocated memory is still 223.3MB. Free memory was 180.6MB in the beginning and 178.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.79ms. Allocated memory is still 223.3MB. Free memory was 178.1MB in the beginning and 176.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 484.49ms. Allocated memory is still 223.3MB. Free memory was 176.5MB in the beginning and 158.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 13588.86ms. Allocated memory was 223.3MB in the beginning and 268.4MB in the end (delta: 45.1MB). Free memory was 158.2MB in the beginning and 85.0MB in the end (delta: 73.2MB). Peak memory consumption was 122.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 16, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1109 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1066 mSDsluCounter, 5463 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3713 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1203 IncrementalHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 1750 mSDtfsCounter, 1203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 869 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1122occurred in iteration=14, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 229 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 2552 PreInvPairs, 2814 NumberOfFragments, 1467 HoareAnnotationTreeSize, 2552 FomulaSimplifications, 1940 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 41 FomulaSimplificationsInter, 9651 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 849 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 919 ConstructedInterpolants, 0 QuantifiedInterpolants, 1898 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3052 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 17 InterpolantComputations, 16 PerfectInterpolantSequences, 139/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((1bv32 == pumpRunning && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) && ((!(systemActive == 1bv32) || (((((1bv32 == pumpRunning && \result == 1bv32) && \result == 0bv32) && tmp == 1bv32) && 1bv32 == tmp___0) && tmp == 0bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) && ((!(systemActive == 1bv32) || (!(methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) && (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) && ((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(\old(pumpRunning) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || 0bv32 == pumpRunning) && ((((!(systemActive == 1bv32) || ((((methaneLevelCritical == tmp && waterLevel == tmp___0) && 0bv32 == pumpRunning) && waterLevel == \result) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (((((1bv32 == pumpRunning && methaneLevelCritical == tmp) && systemActive == 1bv32) && waterLevel == tmp___0) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || methaneLevelCritical == 0bv32) || ((!(tmp == 0bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || (((1bv32 == pumpRunning && systemActive == 1bv32) && !(tmp == 0bv32)) && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (1bv32 == pumpRunning && systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || methaneLevelCritical == 0bv32) || (!(tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((1bv32 == pumpRunning && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && !(tmp == 0bv32))) || !(\old(pumpRunning) == 1bv32))) && ((((((((1bv32 == pumpRunning && methaneLevelCritical == tmp) && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || 0bv32 == pumpRunning) && (((!(2bv32 == \old(waterLevel)) || 1bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (((1bv32 == pumpRunning && methaneLevelCritical == tmp) && waterLevel == \result) && waterLevel == \old(waterLevel))) || (((methaneLevelCritical == tmp && 0bv32 == pumpRunning) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && ((!(systemActive == 1bv32) || methaneLevelCritical == 0bv32) || !(\old(pumpRunning) == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || ((((methaneLevelCritical == tmp && methaneLevelCritical == 0bv32) && \old(pumpRunning) == pumpRunning) && \result == 0bv32) && tmp == 0bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || methaneLevelCritical == 0bv32) || !(\old(pumpRunning) == 0bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || (((((methaneLevelCritical == tmp && \result == 1bv32) && methaneLevelCritical == 0bv32) && \old(pumpRunning) == pumpRunning) && \result == 0bv32) && tmp == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((((((1bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == tmp) && \result == 1bv32) && waterLevel == tmp___0) && waterLevel == \result) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 1bv32 == tmp___0)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((((\result == 1bv32 && \result == 0bv32) && 1bv32 == tmp___0) && 0bv32 == pumpRunning) && tmp == 0bv32)) || ((((0bv32 == tmp___0 && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || ((((0bv32 == tmp___0 && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((1bv32 == pumpRunning && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || \result == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32))) && ((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(\old(pumpRunning) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || 0bv32 == pumpRunning) && (((!(systemActive == 1bv32) || (\old(pumpRunning) == pumpRunning && tmp == 0bv32)) || !(\old(pumpRunning) == 1bv32)) || 0bv32 == pumpRunning)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || (\old(pumpRunning) == pumpRunning && \result == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || ((!(waterLevel == 2bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || ((\result == 1bv32 && !(waterLevel == 2bv32)) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || (\result == 0bv32 && 0bv32 == pumpRunning))) && (((\result == 1bv32 || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:34:08,881 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...