/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:18:46,717 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:18:46,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:18:46,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:18:46,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:18:46,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:18:46,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:18:46,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:18:46,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:18:46,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:18:46,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:18:46,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:18:46,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:18:46,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:18:46,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:18:46,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:18:46,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:18:46,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:18:46,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:18:46,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:18:46,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:18:46,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:18:46,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:18:46,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:18:46,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:18:46,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:18:46,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:18:46,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:18:46,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:18:46,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:18:46,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:18:46,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:18:46,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:18:46,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:18:46,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:18:46,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:18:46,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:18:46,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:18:46,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:18:46,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:18:46,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:18:46,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 14:18:46,877 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 14:18:46,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:18:46,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:18:46,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 14:18:46,879 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 14:18:46,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:18:46,880 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 14:18:46,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 14:18:46,880 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 14:18:46,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 14:18:46,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:18:46,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:18:46,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:18:46,881 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 14:18:46,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 14:18:46,882 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 14:18:46,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:18:46,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:18:46,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 14:18:46,883 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 14:18:46,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 14:18:46,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:18:46,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:18:46,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:18:46,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:18:46,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 14:18:46,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:18:46,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:18:46,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 14:18:46,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
[2020-09-25 14:18:47,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:18:47,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:18:47,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:18:47,346 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 14:18:47,346 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 14:18:47,347 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c
[2020-09-25 14:18:47,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd42099e2/9288db60a0464a8a8e00e5886e610867/FLAG8edb060f0
[2020-09-25 14:18:48,061 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 14:18:48,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c
[2020-09-25 14:18:48,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd42099e2/9288db60a0464a8a8e00e5886e610867/FLAG8edb060f0
[2020-09-25 14:18:48,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd42099e2/9288db60a0464a8a8e00e5886e610867
[2020-09-25 14:18:48,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:18:48,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:18:48,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:18:48,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:18:48,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:18:48,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:18:48" (1/1) ...
[2020-09-25 14:18:48,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b44c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:48, skipping insertion in model container
[2020-09-25 14:18:48,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:18:48" (1/1) ...
[2020-09-25 14:18:48,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 14:18:48,459 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:18:48,977 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:18:49,001 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 14:18:49,097 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:18:49,132 INFO L208 MainTranslator]: Completed translation
[2020-09-25 14:18:49,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49 WrapperNode
[2020-09-25 14:18:49,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:18:49,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:18:49,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:18:49,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:18:49,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (1/1) ...
[2020-09-25 14:18:49,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (1/1) ...
[2020-09-25 14:18:49,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (1/1) ...
[2020-09-25 14:18:49,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (1/1) ...
[2020-09-25 14:18:49,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (1/1) ...
[2020-09-25 14:18:49,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (1/1) ...
[2020-09-25 14:18:49,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (1/1) ...
[2020-09-25 14:18:49,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:18:49,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:18:49,234 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:18:49,234 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:18:49,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:18:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:18:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:18:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:18:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 14:18:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 14:18:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 14:18:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 14:18:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 14:18:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 14:18:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 14:18:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 14:18:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 14:18:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 14:18:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 14:18:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 14:18:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 14:18:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 14:18:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 14:18:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 14:18:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 14:18:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 14:18:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 14:18:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 14:18:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:18:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 14:18:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 14:18:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 14:18:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 14:18:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 14:18:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 14:18:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 14:18:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 14:18:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 14:18:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 14:18:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 14:18:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 14:18:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 14:18:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 14:18:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:18:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:18:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 14:18:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 14:18:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 14:18:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 14:18:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 14:18:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 14:18:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 14:18:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 14:18:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 14:18:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 14:18:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 14:18:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 14:18:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 14:18:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 14:18:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 14:18:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 14:18:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 14:18:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 14:18:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 14:18:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 14:18:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 14:18:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 14:18:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 14:18:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 14:18:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 14:18:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 14:18:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 14:18:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 14:18:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 14:18:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 14:18:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 14:18:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 14:18:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 14:18:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 14:18:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 14:18:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 14:18:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 14:18:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 14:18:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 14:18:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:18:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:18:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 14:18:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 14:18:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 14:18:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 14:18:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 14:18:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 14:18:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 14:18:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:18:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:18:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 14:18:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:18:50,623 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:18:50,623 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 14:18:50,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:50 BoogieIcfgContainer
[2020-09-25 14:18:50,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:18:50,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:18:50,633 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:18:50,638 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:18:50,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:18:48" (1/3) ...
[2020-09-25 14:18:50,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1507164e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:50, skipping insertion in model container
[2020-09-25 14:18:50,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:49" (2/3) ...
[2020-09-25 14:18:50,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1507164e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:50, skipping insertion in model container
[2020-09-25 14:18:50,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:50" (3/3) ...
[2020-09-25 14:18:50,642 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product27.cil.c
[2020-09-25 14:18:50,655 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:18:50,667 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:18:50,691 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:18:50,728 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:18:50,729 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 14:18:50,729 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:18:50,729 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:18:50,729 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:18:50,729 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 14:18:50,730 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:18:50,730 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:18:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states.
[2020-09-25 14:18:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 14:18:50,778 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:18:50,780 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:18:50,780 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:18:50,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:18:50,790 INFO L82 PathProgramCache]: Analyzing trace with hash 196536289, now seen corresponding path program 1 times
[2020-09-25 14:18:50,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:18:50,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [604098498]
[2020-09-25 14:18:50,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:18:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:51,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:51,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:53,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:56,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:56,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 14:18:56,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 14:18:56,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003
[2020-09-25 14:18:56,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:56,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 14:18:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 14:18:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62
[2020-09-25 14:18:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8
[2020-09-25 14:18:56,719 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:18:56,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:18:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:56,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:57,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:18:57,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:57,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370
[2020-09-25 14:18:57,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:57,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:57,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:57,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:57,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 14:18:57,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:57,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:18:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:57,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:57,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:18:57,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:57,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 14:18:57,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:57,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:57,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:18:57,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:57,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:18:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:57,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:57,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:18:57,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:57,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 14:18:57,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:57,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:18:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:57,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:18:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:57,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:57,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:18:57,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:57,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 14:18:57,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:57,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:57,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:18:57,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:57,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:18:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:57,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:57,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:18:57,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:57,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:18:57,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:57,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:18:57,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:57,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 14:18:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:57,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:57,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:18:57,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:57,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:18:57,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:57,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:18:57,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:18:57,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:18:57,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:57,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 14:18:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:57,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:57,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:18:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:18:57,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:57,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:18:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:18:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:18:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:57,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 14:18:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:57,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:57,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:18:57,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:57,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:18:57,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:57,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:18:57,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:18:57,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:18:57,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:18:57,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [604098498]
[2020-09-25 14:18:57,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:18:57,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 14:18:57,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726525676]
[2020-09-25 14:18:57,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 14:18:57,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:18:57,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 14:18:57,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 14:18:57,500 INFO L87 Difference]: Start difference. First operand 308 states. Second operand 4 states.
[2020-09-25 14:18:58,117 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:00,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:00,024 INFO L93 Difference]: Finished difference Result 610 states and 742 transitions.
[2020-09-25 14:19:00,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 14:19:00,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153
[2020-09-25 14:19:00,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:00,050 INFO L225 Difference]: With dead ends: 610
[2020-09-25 14:19:00,051 INFO L226 Difference]: Without dead ends: 429
[2020-09-25 14:19:00,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 14:19:00,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states.
[2020-09-25 14:19:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 366.
[2020-09-25 14:19:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states.
[2020-09-25 14:19:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 407 transitions.
[2020-09-25 14:19:00,210 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 407 transitions. Word has length 153
[2020-09-25 14:19:00,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:00,211 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 407 transitions.
[2020-09-25 14:19:00,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 14:19:00,211 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 407 transitions.
[2020-09-25 14:19:00,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-09-25 14:19:00,216 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:19:00,217 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:00,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:19:00,217 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:00,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:00,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1183316893, now seen corresponding path program 1 times
[2020-09-25 14:19:00,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:00,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004542150]
[2020-09-25 14:19:00,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:03,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199
[2020-09-25 14:19:03,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:19:03,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3305
[2020-09-25 14:19:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:03,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 14:19:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 14:19:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103
[2020-09-25 14:19:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:03,931 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:04,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235
[2020-09-25 14:19:04,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 14:19:04,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:04,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:04,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:04,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:04,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:04,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:04,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:04,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:04,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:04,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 14:19:04,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:04,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:04,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:04,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:04,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 14:19:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 14:19:04,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:04,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:04,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 14:19:04,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:04,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:04,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:04,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 14:19:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:04,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:04,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:04,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:04,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 14:19:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:04,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 14:19:04,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:04,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:04,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:04,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 14:19:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:04,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:04,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:04,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:04,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:04,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:04,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:04,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:19:04,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004542150]
[2020-09-25 14:19:04,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:04,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 14:19:04,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436632839]
[2020-09-25 14:19:04,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 14:19:04,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:04,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 14:19:04,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 14:19:04,409 INFO L87 Difference]: Start difference. First operand 366 states and 407 transitions. Second operand 9 states.
[2020-09-25 14:19:04,877 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:06,387 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 14:19:07,518 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188
[2020-09-25 14:19:08,169 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190
[2020-09-25 14:19:08,594 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:19:08,960 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:09,310 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:09,604 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:19:10,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:10,767 INFO L93 Difference]: Finished difference Result 1054 states and 1322 transitions.
[2020-09-25 14:19:10,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 14:19:10,769 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162
[2020-09-25 14:19:10,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:10,789 INFO L225 Difference]: With dead ends: 1054
[2020-09-25 14:19:10,790 INFO L226 Difference]: Without dead ends: 798
[2020-09-25 14:19:10,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 14:19:10,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states.
[2020-09-25 14:19:10,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 617.
[2020-09-25 14:19:10,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states.
[2020-09-25 14:19:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 709 transitions.
[2020-09-25 14:19:10,931 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 709 transitions. Word has length 162
[2020-09-25 14:19:10,932 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:10,932 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 709 transitions.
[2020-09-25 14:19:10,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 14:19:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 709 transitions.
[2020-09-25 14:19:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-25 14:19:10,938 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:19:10,939 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:10,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 14:19:10,939 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:10,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:10,940 INFO L82 PathProgramCache]: Analyzing trace with hash -593950700, now seen corresponding path program 1 times
[2020-09-25 14:19:10,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:10,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65590436]
[2020-09-25 14:19:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:11,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:11,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:11,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206
[2020-09-25 14:19:16,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 14:19:16,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023
[2020-09-25 14:19:16,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 14:19:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 14:19:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63
[2020-09-25 14:19:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,313 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:16,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:16,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221
[2020-09-25 14:19:16,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:16,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:16,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 14:19:16,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:16,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:16,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:16,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:16,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:16,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 14:19:16,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:16,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:19:16,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:16,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:16,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 14:19:16,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:16,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:16,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:16,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:16,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:16,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:16,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117
[2020-09-25 14:19:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 14:19:16,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:16,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7
[2020-09-25 14:19:16,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:16,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2020-09-25 14:19:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 14:19:16,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:16,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-25 14:19:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:16,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:16,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:16,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:16,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 14:19:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:16,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:16,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:16,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:16,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 14:19:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:16,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:16,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:16,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-09-25 14:19:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:16,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:16,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:16,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:16,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:16,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:16,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:16,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:16,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:16,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:19:16,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65590436]
[2020-09-25 14:19:16,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:16,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 14:19:16,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030991766]
[2020-09-25 14:19:16,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 14:19:16,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:16,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 14:19:16,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 14:19:16,779 INFO L87 Difference]: Start difference. First operand 617 states and 709 transitions. Second operand 6 states.
[2020-09-25 14:19:17,337 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:18,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:18,132 INFO L93 Difference]: Finished difference Result 993 states and 1188 transitions.
[2020-09-25 14:19:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 14:19:18,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167
[2020-09-25 14:19:18,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:18,141 INFO L225 Difference]: With dead ends: 993
[2020-09-25 14:19:18,142 INFO L226 Difference]: Without dead ends: 465
[2020-09-25 14:19:18,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-09-25 14:19:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states.
[2020-09-25 14:19:18,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 435.
[2020-09-25 14:19:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states.
[2020-09-25 14:19:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 472 transitions.
[2020-09-25 14:19:18,202 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 472 transitions. Word has length 167
[2020-09-25 14:19:18,203 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:18,203 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 472 transitions.
[2020-09-25 14:19:18,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 14:19:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 472 transitions.
[2020-09-25 14:19:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2020-09-25 14:19:18,207 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:19:18,207 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:18,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 14:19:18,207 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:18,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:18,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1541185143, now seen corresponding path program 1 times
[2020-09-25 14:19:18,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:18,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2026904384]
[2020-09-25 14:19:18,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 14:19:18,273 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 14:19:18,274 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 14:19:18,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 14:19:18,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:19:18 BoogieIcfgContainer
[2020-09-25 14:19:18,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 14:19:18,319 INFO L168 Benchmark]: Toolchain (without parser) took 29962.01 ms. Allocated memory was 139.5 MB in the beginning and 602.4 MB in the end (delta: 462.9 MB). Free memory was 102.3 MB in the beginning and 343.6 MB in the end (delta: -241.3 MB). Peak memory consumption was 221.6 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:18,319 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 14:19:18,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.91 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 170.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:18,321 INFO L168 Benchmark]: Boogie Preprocessor took 99.09 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:18,322 INFO L168 Benchmark]: RCFGBuilder took 1398.36 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.1 MB in the beginning and 176.0 MB in the end (delta: -9.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:18,323 INFO L168 Benchmark]: TraceAbstraction took 27683.16 ms. Allocated memory was 235.9 MB in the beginning and 602.4 MB in the end (delta: 366.5 MB). Free memory was 176.0 MB in the beginning and 343.6 MB in the end (delta: -167.6 MB). Peak memory consumption was 198.9 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:18,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 763.91 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 170.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 99.09 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1398.36 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.1 MB in the beginning and 176.0 MB in the end (delta: -9.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 27683.16 ms. Allocated memory was 235.9 MB in the beginning and 602.4 MB in the end (delta: 366.5 MB). Free memory was 176.0 MB in the beginning and 343.6 MB in the end (delta: -167.6 MB). Peak memory consumption was 198.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 346]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L120] int pumpRunning = 0;
[L121] int systemActive = 1;
[L558] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L755] int waterLevel = 1;
[L756] int methaneLevelCritical = 0;
[L844] int cleanupTimeShifts = 4;
[L917] int retValue_acc ;
[L918] int tmp ;
[L922] FCALL select_helpers()
[L923] FCALL select_features()
[L924] CALL, EXPR valid_product()
[L380] int retValue_acc ;
[L383] retValue_acc = 1
[L384] return (retValue_acc);
[L924] RET, EXPR valid_product()
[L924] tmp = valid_product()
[L926] COND TRUE \read(tmp)
[L928] FCALL setup()
[L929] CALL runTest()
[L911] CALL test()
[L46] int splverifierCounter ;
[L47] int tmp ;
[L48] int tmp___0 ;
[L49] int tmp___1 ;
[L50] int tmp___2 ;
[L53] splverifierCounter = 0
[L55] COND TRUE 1
[L57] COND TRUE splverifierCounter < 4
[L63] tmp = __VERIFIER_nondet_int()
[L65] COND TRUE \read(tmp)
[L67] CALL waterRise()
[L773] COND TRUE waterLevel < 2
[L774] waterLevel = waterLevel + 1
[L67] RET waterRise()
[L73] tmp___0 = __VERIFIER_nondet_int()
[L75] COND FALSE !(\read(tmp___0))
[L83] tmp___2 = __VERIFIER_nondet_int()
[L85] COND TRUE \read(tmp___2)
[L100] CALL timeShift()
[L128] COND FALSE !(\read(pumpRunning))
[L135] COND TRUE \read(systemActive)
[L137] CALL processEnvironment()
[L157] int tmp ;
[L160] COND FALSE !(\read(pumpRunning))
[L175] FCALL processEnvironment__wrappee__base()
[L137] RET processEnvironment()
[L143] CALL __utac_acc__Specification3_spec__1()
[L309] int tmp ;
[L310] int tmp___0 ;
[L311] int tmp___1 ;
[L315] CALL, EXPR isMethaneLevelCritical()
[L794] int retValue_acc ;
[L797] retValue_acc = methaneLevelCritical
[L798] return (retValue_acc);
[L315] RET, EXPR isMethaneLevelCritical()
[L315] tmp = isMethaneLevelCritical()
[L317] COND FALSE !(\read(tmp))
[L321] CALL, EXPR getWaterLevel()
[L826] int retValue_acc ;
[L829] retValue_acc = waterLevel
[L830] return (retValue_acc);
[L321] RET, EXPR getWaterLevel()
[L321] tmp___0 = getWaterLevel()
[L323] COND TRUE tmp___0 == 2
[L325] CALL, EXPR isPumpRunning()
[L227] int retValue_acc ;
[L230] retValue_acc = pumpRunning
[L231] return (retValue_acc);
[L325] RET, EXPR isPumpRunning()
[L325] tmp___1 = isPumpRunning()
[L327] COND FALSE !(\read(tmp___1))
[L331] CALL __automaton_fail()
[L346] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 39 procedures, 624 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 661 SDtfs, 1297 SDslu, 807 SDs, 0 SdLazy, 1786 SolverSat, 380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=617occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 274 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 658 NumberOfCodeBlocks, 658 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 204101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...