/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:12:32,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:12:32,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:12:32,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:12:32,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:12:32,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:12:32,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:12:32,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:12:32,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:12:32,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:12:32,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:12:32,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:12:32,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:12:32,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:12:32,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:12:32,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:12:32,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:12:32,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:12:32,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:12:32,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:12:32,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:12:32,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:12:32,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:12:32,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:12:32,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:12:32,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:12:32,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:12:32,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:12:32,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:12:32,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-24 17:12:32,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:12:32,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:12:32,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:12:32,256 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 [2020-09-24 17:12:32,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:12:32,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:12:32,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:12:32,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:12:32,286 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:12:32,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:12:32,286 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:12:32,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:12:32,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:12:32,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:12:32,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:12:32,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:12:32,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:12:32,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:12:32,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:12:32,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:12:32,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:12:32,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:12:32,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:12:32,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:12:32,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:12:32,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:12:32,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:12:32,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:12:32,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:12:32,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:12:32,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:12:32,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:12:32,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:12:32,291 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;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;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;log-additional-information=true; [2020-09-24 17:12:32,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:12:32,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:12:32,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:12:32,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:12:32,805 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:12:32,807 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-09-24 17:12:32,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6ef03e6d/729bd3ac99c04746868131ab8073f2a5/FLAG4e5474504 [2020-09-24 17:12:33,563 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:12:33,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-09-24 17:12:33,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6ef03e6d/729bd3ac99c04746868131ab8073f2a5/FLAG4e5474504 [2020-09-24 17:12:33,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6ef03e6d/729bd3ac99c04746868131ab8073f2a5 [2020-09-24 17:12:33,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:12:33,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:12:33,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:12:33,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:12:33,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:12:33,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:12:33" (1/1) ... [2020-09-24 17:12:33,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72532b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:33, skipping insertion in model container [2020-09-24 17:12:33,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:12:33" (1/1) ... [2020-09-24 17:12:33,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:12:33,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:12:34,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:12:34,337 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:12:34,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:12:34,595 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:12:34,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34 WrapperNode [2020-09-24 17:12:34,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:12:34,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:12:34,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:12:34,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:12:34,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (1/1) ... [2020-09-24 17:12:34,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (1/1) ... [2020-09-24 17:12:34,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (1/1) ... [2020-09-24 17:12:34,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (1/1) ... [2020-09-24 17:12:34,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (1/1) ... [2020-09-24 17:12:34,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (1/1) ... [2020-09-24 17:12:34,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (1/1) ... [2020-09-24 17:12:34,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:12:34,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:12:34,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:12:34,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:12:34,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (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 [2020-09-24 17:12:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:12:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:12:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-24 17:12:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:12:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-24 17:12:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:12:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:12:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 17:12:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:12:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:12:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:12:36,186 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:12:36,186 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 17:12:36,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:12:36 BoogieIcfgContainer [2020-09-24 17:12:36,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:12:36,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:12:36,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:12:36,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:12:36,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:12:33" (1/3) ... [2020-09-24 17:12:36,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590b40ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:12:36, skipping insertion in model container [2020-09-24 17:12:36,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:12:34" (2/3) ... [2020-09-24 17:12:36,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590b40ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:12:36, skipping insertion in model container [2020-09-24 17:12:36,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:12:36" (3/3) ... [2020-09-24 17:12:36,212 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-09-24 17:12:36,226 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:12:36,244 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:12:36,267 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:12:36,304 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:12:36,304 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:12:36,304 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:12:36,305 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:12:36,305 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:12:36,305 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:12:36,305 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:12:36,305 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:12:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-09-24 17:12:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-09-24 17:12:36,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:12:36,364 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] [2020-09-24 17:12:36,364 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:12:36,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:12:36,373 INFO L82 PathProgramCache]: Analyzing trace with hash -17794678, now seen corresponding path program 1 times [2020-09-24 17:12:36,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:12:36,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100677907] [2020-09-24 17:12:36,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:12:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:12:36,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:37,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:37,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:39,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:39,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:42,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:42,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:44,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:12:44,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-24 17:12:44,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-24 17:12:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7994 [2020-09-24 17:12:44,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:12:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 17:12:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 17:12:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 17:12:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:12:45,123 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-09-24 17:12:45,279 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-09-24 17:12:45,436 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-09-24 17:12:46,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:12:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:12:46,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:46,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:12:46,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 17:12:46,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:12:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 17:12:46,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:12:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:12:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:12:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 17:12:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:12:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:12:46,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100677907] [2020-09-24 17:12:46,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:12:46,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-09-24 17:12:46,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432177686] [2020-09-24 17:12:46,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 17:12:46,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:12:46,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 17:12:46,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-09-24 17:12:46,392 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 21 states. [2020-09-24 17:12:47,170 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-09-24 17:12:47,498 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-09-24 17:12:47,767 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-09-24 17:12:48,201 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-09-24 17:12:48,709 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-09-24 17:12:49,149 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-09-24 17:12:49,398 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2020-09-24 17:12:49,658 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-09-24 17:12:49,881 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-09-24 17:12:50,102 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2020-09-24 17:12:50,382 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-09-24 17:12:50,955 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-09-24 17:12:51,460 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-09-24 17:12:52,034 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-09-24 17:12:52,495 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-09-24 17:12:52,775 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-09-24 17:12:53,182 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-09-24 17:12:53,429 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-09-24 17:12:54,527 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-09-24 17:12:55,140 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-09-24 17:12:55,899 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-09-24 17:12:56,792 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-09-24 17:12:57,208 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-09-24 17:12:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:12:58,616 INFO L93 Difference]: Finished difference Result 1742 states and 2476 transitions. [2020-09-24 17:12:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-24 17:12:58,618 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 125 [2020-09-24 17:12:58,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:12:58,646 INFO L225 Difference]: With dead ends: 1742 [2020-09-24 17:12:58,646 INFO L226 Difference]: Without dead ends: 1009 [2020-09-24 17:12:58,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=1084, Invalid=2948, Unknown=0, NotChecked=0, Total=4032 [2020-09-24 17:12:58,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-09-24 17:12:58,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 892. [2020-09-24 17:12:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2020-09-24 17:12:58,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1068 transitions. [2020-09-24 17:12:58,784 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1068 transitions. Word has length 125 [2020-09-24 17:12:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:12:58,785 INFO L479 AbstractCegarLoop]: Abstraction has 892 states and 1068 transitions. [2020-09-24 17:12:58,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 17:12:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1068 transitions. [2020-09-24 17:12:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 17:12:58,796 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:12:58,797 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:12:58,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:12:58,798 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:12:58,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:12:58,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1966462065, now seen corresponding path program 1 times [2020-09-24 17:12:58,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:12:58,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204113137] [2020-09-24 17:12:58,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:12:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:12:58,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:59,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:12:59,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:13:00,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:13:00,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:13:00,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:13:01,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:13:04,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:13:04,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-24 17:13:04,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-24 17:13:04,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5666 [2020-09-24 17:13:04,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:13:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 17:13:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 17:13:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 17:13:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:13:05,429 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-09-24 17:13:05,602 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-09-24 17:13:05,762 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2020-09-24 17:13:05,920 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-09-24 17:13:06,109 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-09-24 17:13:06,328 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 35 [2020-09-24 17:13:06,510 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2020-09-24 17:13:06,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:13:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:13:06,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:13:06,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:13:06,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 17:13:06,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:13:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 17:13:06,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:13:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:13:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:13:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 17:13:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:13:07,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 17:13:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:13:07,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:13:07,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:13:07,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:13:07,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:13:07,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:13:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 17:13:07,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:13:07,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:13:07,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 17:13:07,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 17:13:07,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:13:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:13:07,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204113137] [2020-09-24 17:13:07,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 17:13:07,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 17:13:07,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518110645] [2020-09-24 17:13:07,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 17:13:07,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:13:07,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 17:13:07,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-09-24 17:13:07,337 INFO L87 Difference]: Start difference. First operand 892 states and 1068 transitions. Second operand 24 states. [2020-09-24 17:13:08,081 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-09-24 17:13:08,362 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-24 17:13:08,795 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-09-24 17:13:08,983 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-09-24 17:13:10,036 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-09-24 17:13:11,366 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-09-24 17:13:11,520 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2020-09-24 17:13:11,749 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-09-24 17:13:12,080 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-09-24 17:13:12,888 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2020-09-24 17:13:13,525 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2020-09-24 17:13:13,813 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-09-24 17:13:14,132 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-09-24 17:13:14,479 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2020-09-24 17:13:15,020 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2020-09-24 17:13:15,345 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2020-09-24 17:13:15,742 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-09-24 17:13:16,286 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-09-24 17:13:16,644 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2020-09-24 17:13:16,877 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-09-24 17:13:17,151 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2020-09-24 17:13:17,424 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-09-24 17:13:17,751 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-09-24 17:13:18,111 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-24 17:13:18,621 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-09-24 17:13:18,965 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2020-09-24 17:13:19,248 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-09-24 17:13:19,478 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-24 17:13:19,746 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-09-24 17:13:20,206 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-09-24 17:13:20,541 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-24 17:13:20,782 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2020-09-24 17:13:21,440 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-24 17:13:22,069 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-09-24 17:13:22,615 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-24 17:13:22,906 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-24 17:13:23,069 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-24 17:13:23,417 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-09-24 17:13:23,607 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-09-24 17:13:23,818 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-09-24 17:13:24,057 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-09-24 17:13:24,796 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-09-24 17:13:24,986 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-09-24 17:13:25,223 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-24 17:13:25,433 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-09-24 17:13:25,699 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-09-24 17:13:26,062 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99