/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/psyco/psyco_security.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:43:54,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:43:54,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:43:54,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:43:54,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:43:54,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:43:54,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:43:54,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:43:54,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:43:54,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:43:54,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:43:54,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:43:54,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:43:54,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:43:54,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:43:54,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:43:54,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:43:54,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:43:54,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:43:54,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:43:54,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:43:54,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:43:54,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:43:54,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:43:54,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:43:54,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:43:54,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:43:54,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:43:54,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:43:54,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:43:54,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:43:54,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:43:54,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:43:54,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:43:54,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:43:54,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:43:54,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:43:54,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:43:54,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:43:54,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:43:54,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:43:54,404 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 14:43:54,454 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:43:54,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:43:54,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:43:54,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:43:54,457 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:43:54,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:43:54,457 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:43:54,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:43:54,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:43:54,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:43:54,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:43:54,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:43:54,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:43:54,459 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:43:54,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:43:54,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:43:54,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:43:54,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:43:54,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:43:54,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:43:54,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:43:54,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:43:54,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:43:54,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:43:54,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:43:54,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:43:54,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:43:54,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:43:54,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:43:54,462 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 14:43:54,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:43:54,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:43:54,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:43:54,943 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:43:54,943 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:43:54,945 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_security.c [2020-09-25 14:43:55,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c4cc86c6/dd6ac86249f446e788329bc97ccfc69b/FLAG7ca501f5c [2020-09-25 14:43:55,641 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:43:55,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/psyco/psyco_security.c [2020-09-25 14:43:55,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c4cc86c6/dd6ac86249f446e788329bc97ccfc69b/FLAG7ca501f5c [2020-09-25 14:43:55,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c4cc86c6/dd6ac86249f446e788329bc97ccfc69b [2020-09-25 14:43:55,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:43:55,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:43:55,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:43:55,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:43:55,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:43:55,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:43:55" (1/1) ... [2020-09-25 14:43:55,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218d3b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:55, skipping insertion in model container [2020-09-25 14:43:55,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:43:55" (1/1) ... [2020-09-25 14:43:55,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:43:56,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:43:56,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:43:56,282 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:43:56,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:43:56,342 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:43:56,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56 WrapperNode [2020-09-25 14:43:56,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:43:56,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:43:56,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:43:56,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:43:56,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (1/1) ... [2020-09-25 14:43:56,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (1/1) ... [2020-09-25 14:43:56,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (1/1) ... [2020-09-25 14:43:56,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (1/1) ... [2020-09-25 14:43:56,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (1/1) ... [2020-09-25 14:43:56,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (1/1) ... [2020-09-25 14:43:56,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (1/1) ... [2020-09-25 14:43:56,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:43:56,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:43:56,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:43:56,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:43:56,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (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 14:43:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:43:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:43:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:43:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:43:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:43:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:43:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:43:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:43:57,182 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:43:57,183 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-09-25 14:43:57,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:43:57 BoogieIcfgContainer [2020-09-25 14:43:57,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:43:57,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:43:57,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:43:57,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:43:57,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:43:55" (1/3) ... [2020-09-25 14:43:57,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3932fe39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:43:57, skipping insertion in model container [2020-09-25 14:43:57,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:43:56" (2/3) ... [2020-09-25 14:43:57,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3932fe39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:43:57, skipping insertion in model container [2020-09-25 14:43:57,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:43:57" (3/3) ... [2020-09-25 14:43:57,205 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_security.c [2020-09-25 14:43:57,214 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:43:57,224 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:43:57,243 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:43:57,275 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:43:57,275 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:43:57,275 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:43:57,275 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:43:57,275 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:43:57,276 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:43:57,276 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:43:57,276 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:43:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-09-25 14:43:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-25 14:43:57,313 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:43:57,314 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] [2020-09-25 14:43:57,315 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:43:57,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:43:57,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1507146259, now seen corresponding path program 1 times [2020-09-25 14:43:57,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:43:57,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201923264] [2020-09-25 14:43:57,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:43:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:57,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:57,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:57,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 14:43:57,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:43:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 14:43:57,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:57,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:57,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:43:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 14:43:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:43:57,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:43:57,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:43:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:57,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:57,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:57,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:43:57,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:43:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:43:57,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:57,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:43:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:43:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:43:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:43:57,662 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 14:43:57,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201923264] [2020-09-25 14:43:57,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:43:57,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:43:57,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313839897] [2020-09-25 14:43:57,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:43:57,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:43:57,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:43:57,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:43:57,696 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 3 states. [2020-09-25 14:43:57,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:43:57,790 INFO L93 Difference]: Finished difference Result 369 states and 507 transitions. [2020-09-25 14:43:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:43:57,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-09-25 14:43:57,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:43:57,811 INFO L225 Difference]: With dead ends: 369 [2020-09-25 14:43:57,811 INFO L226 Difference]: Without dead ends: 178 [2020-09-25 14:43:57,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:43:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-25 14:43:57,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-09-25 14:43:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-25 14:43:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 213 transitions. [2020-09-25 14:43:57,886 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 213 transitions. Word has length 22 [2020-09-25 14:43:57,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:43:57,886 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 213 transitions. [2020-09-25 14:43:57,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:43:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 213 transitions. [2020-09-25 14:43:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-25 14:43:57,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:43:57,889 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] [2020-09-25 14:43:57,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:43:57,889 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:43:57,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:43:57,890 INFO L82 PathProgramCache]: Analyzing trace with hash -946920198, now seen corresponding path program 1 times [2020-09-25 14:43:57,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:43:57,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380740229] [2020-09-25 14:43:57,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:43:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:57,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:57,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:58,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:58,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:58,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 14:43:58,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:43:58,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-09-25 14:43:58,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:58,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:43:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 14:43:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:43:58,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:43:58,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:43:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:58,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:58,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:58,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:43:58,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:43:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:43:58,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:58,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:43:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:43:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:43:58,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:43:58,198 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 14:43:58,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380740229] [2020-09-25 14:43:58,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:43:58,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:43:58,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024929097] [2020-09-25 14:43:58,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:43:58,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:43:58,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:43:58,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:43:58,203 INFO L87 Difference]: Start difference. First operand 178 states and 213 transitions. Second operand 4 states. [2020-09-25 14:43:58,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:43:58,820 INFO L93 Difference]: Finished difference Result 350 states and 425 transitions. [2020-09-25 14:43:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:43:58,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-09-25 14:43:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:43:58,825 INFO L225 Difference]: With dead ends: 350 [2020-09-25 14:43:58,825 INFO L226 Difference]: Without dead ends: 185 [2020-09-25 14:43:58,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:43:58,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-09-25 14:43:58,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-09-25 14:43:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-09-25 14:43:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 221 transitions. [2020-09-25 14:43:58,870 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 221 transitions. Word has length 23 [2020-09-25 14:43:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:43:58,871 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 221 transitions. [2020-09-25 14:43:58,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:43:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 221 transitions. [2020-09-25 14:43:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-25 14:43:58,876 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:43:58,876 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-25 14:43:58,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:43:58,880 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:43:58,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:43:58,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1840173547, now seen corresponding path program 1 times [2020-09-25 14:43:58,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:43:58,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597030881] [2020-09-25 14:43:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:43:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:58,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:58,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:58,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:58,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 14:43:58,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:43:58,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 14:43:58,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:58,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:43:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 14:43:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:43:58,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:43:59,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:43:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:59,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:59,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:59,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:43:59,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:43:59,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:43:59,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:59,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:59,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:43:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:43:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:43:59,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:43:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:43:59,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597030881] [2020-09-25 14:43:59,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:43:59,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:43:59,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009783338] [2020-09-25 14:43:59,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:43:59,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:43:59,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:43:59,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:43:59,045 INFO L87 Difference]: Start difference. First operand 185 states and 221 transitions. Second operand 4 states. [2020-09-25 14:43:59,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:43:59,148 INFO L93 Difference]: Finished difference Result 339 states and 408 transitions. [2020-09-25 14:43:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:43:59,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-09-25 14:43:59,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:43:59,151 INFO L225 Difference]: With dead ends: 339 [2020-09-25 14:43:59,151 INFO L226 Difference]: Without dead ends: 167 [2020-09-25 14:43:59,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:43:59,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-25 14:43:59,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-09-25 14:43:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-09-25 14:43:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 198 transitions. [2020-09-25 14:43:59,165 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 198 transitions. Word has length 32 [2020-09-25 14:43:59,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:43:59,166 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 198 transitions. [2020-09-25 14:43:59,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:43:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 198 transitions. [2020-09-25 14:43:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-25 14:43:59,168 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:43:59,168 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-25 14:43:59,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:43:59,169 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:43:59,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:43:59,169 INFO L82 PathProgramCache]: Analyzing trace with hash 576498569, now seen corresponding path program 1 times [2020-09-25 14:43:59,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:43:59,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477752891] [2020-09-25 14:43:59,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:43:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:59,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:59,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:59,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 14:43:59,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:43:59,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 14:43:59,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:59,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:43:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 14:43:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 14:43:59,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:43:59,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:43:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:59,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:59,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:59,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:43:59,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:43:59,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:43:59,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:59,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:59,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:43:59,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:43:59,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:43:59,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:43:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:43:59,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477752891] [2020-09-25 14:43:59,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:43:59,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:43:59,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777024062] [2020-09-25 14:43:59,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:43:59,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:43:59,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:43:59,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:43:59,288 INFO L87 Difference]: Start difference. First operand 167 states and 198 transitions. Second operand 4 states. [2020-09-25 14:43:59,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:43:59,699 INFO L93 Difference]: Finished difference Result 433 states and 522 transitions. [2020-09-25 14:43:59,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:43:59,700 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-09-25 14:43:59,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:43:59,702 INFO L225 Difference]: With dead ends: 433 [2020-09-25 14:43:59,702 INFO L226 Difference]: Without dead ends: 279 [2020-09-25 14:43:59,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:43:59,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-09-25 14:43:59,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 247. [2020-09-25 14:43:59,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-09-25 14:43:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 293 transitions. [2020-09-25 14:43:59,719 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 293 transitions. Word has length 39 [2020-09-25 14:43:59,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:43:59,719 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 293 transitions. [2020-09-25 14:43:59,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:43:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 293 transitions. [2020-09-25 14:43:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-25 14:43:59,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:43:59,722 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-25 14:43:59,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:43:59,722 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:43:59,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:43:59,723 INFO L82 PathProgramCache]: Analyzing trace with hash -47890514, now seen corresponding path program 1 times [2020-09-25 14:43:59,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:43:59,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343232264] [2020-09-25 14:43:59,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:43:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:59,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:59,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:59,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-25 14:43:59,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:43:59,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 14:43:59,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:59,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:43:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 14:43:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:43:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:43:59,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:43:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:43:59,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:43:59,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:43:59,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:43:59,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:43:59,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:43:59,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:43:59,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:43:59,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:43:59,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:43:59,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:43:59,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:43:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:43:59,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343232264] [2020-09-25 14:43:59,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:43:59,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:43:59,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307627369] [2020-09-25 14:43:59,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:43:59,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:43:59,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:43:59,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:43:59,840 INFO L87 Difference]: Start difference. First operand 247 states and 293 transitions. Second operand 4 states. [2020-09-25 14:44:00,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:44:00,151 INFO L93 Difference]: Finished difference Result 417 states and 499 transitions. [2020-09-25 14:44:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:44:00,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-09-25 14:44:00,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:44:00,155 INFO L225 Difference]: With dead ends: 417 [2020-09-25 14:44:00,155 INFO L226 Difference]: Without dead ends: 198 [2020-09-25 14:44:00,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:44:00,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-09-25 14:44:00,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 196. [2020-09-25 14:44:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-09-25 14:44:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 231 transitions. [2020-09-25 14:44:00,184 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 231 transitions. Word has length 40 [2020-09-25 14:44:00,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:44:00,186 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 231 transitions. [2020-09-25 14:44:00,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:44:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 231 transitions. [2020-09-25 14:44:00,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-25 14:44:00,188 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:44:00,191 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-25 14:44:00,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:44:00,192 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:44:00,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:44:00,192 INFO L82 PathProgramCache]: Analyzing trace with hash 946604760, now seen corresponding path program 1 times [2020-09-25 14:44:00,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:44:00,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327106243] [2020-09-25 14:44:00,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:44:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:00,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:00,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 14:44:00,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 14:44:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:00,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:44:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 14:44:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:44:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:44:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:44:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:00,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:00,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:00,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:44:00,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:00,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:44:00,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:00,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:44:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:44:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:44:00,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:44:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:44:00,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327106243] [2020-09-25 14:44:00,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:44:00,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:44:00,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777728682] [2020-09-25 14:44:00,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:44:00,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:44:00,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:44:00,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:44:00,330 INFO L87 Difference]: Start difference. First operand 196 states and 231 transitions. Second operand 4 states. [2020-09-25 14:44:00,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:44:00,482 INFO L93 Difference]: Finished difference Result 311 states and 370 transitions. [2020-09-25 14:44:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:44:00,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-09-25 14:44:00,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:44:00,484 INFO L225 Difference]: With dead ends: 311 [2020-09-25 14:44:00,484 INFO L226 Difference]: Without dead ends: 165 [2020-09-25 14:44:00,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:44:00,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-25 14:44:00,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-09-25 14:44:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-25 14:44:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions. [2020-09-25 14:44:00,496 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 50 [2020-09-25 14:44:00,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:44:00,496 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 193 transitions. [2020-09-25 14:44:00,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:44:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions. [2020-09-25 14:44:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-25 14:44:00,505 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:44:00,505 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-25 14:44:00,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:44:00,509 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:44:00,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:44:00,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1459500481, now seen corresponding path program 1 times [2020-09-25 14:44:00,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:44:00,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673302092] [2020-09-25 14:44:00,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:44:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:00,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:00,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:00,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 14:44:00,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:00,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 14:44:00,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:00,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:00,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:44:00,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-25 14:44:00,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 14:44:00,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:44:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:44:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:00,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:00,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:00,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:44:00,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:44:00,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:00,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:44:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:44:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:44:00,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:44:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:44:00,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673302092] [2020-09-25 14:44:00,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:44:00,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:44:00,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765804509] [2020-09-25 14:44:00,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:44:00,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:44:00,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:44:00,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:44:00,652 INFO L87 Difference]: Start difference. First operand 165 states and 193 transitions. Second operand 4 states. [2020-09-25 14:44:00,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:44:00,989 INFO L93 Difference]: Finished difference Result 363 states and 435 transitions. [2020-09-25 14:44:00,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:44:00,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-25 14:44:00,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:44:00,992 INFO L225 Difference]: With dead ends: 363 [2020-09-25 14:44:00,992 INFO L226 Difference]: Without dead ends: 255 [2020-09-25 14:44:00,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:44:00,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-25 14:44:01,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 230. [2020-09-25 14:44:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-25 14:44:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 271 transitions. [2020-09-25 14:44:01,002 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 271 transitions. Word has length 51 [2020-09-25 14:44:01,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:44:01,003 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 271 transitions. [2020-09-25 14:44:01,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:44:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 271 transitions. [2020-09-25 14:44:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-25 14:44:01,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:44:01,004 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-25 14:44:01,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 14:44:01,005 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:44:01,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:44:01,005 INFO L82 PathProgramCache]: Analyzing trace with hash -389028907, now seen corresponding path program 1 times [2020-09-25 14:44:01,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:44:01,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839651100] [2020-09-25 14:44:01,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:44:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:01,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:01,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:01,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:01,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 14:44:01,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:44:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 14:44:01,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:01,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:44:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 14:44:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:44:01,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:44:01,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:44:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:01,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:01,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:01,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:44:01,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:01,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:44:01,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:01,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:44:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:44:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:44:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:44:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:44:01,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839651100] [2020-09-25 14:44:01,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:44:01,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:44:01,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151522973] [2020-09-25 14:44:01,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:44:01,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:44:01,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:44:01,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:44:01,144 INFO L87 Difference]: Start difference. First operand 230 states and 271 transitions. Second operand 4 states. [2020-09-25 14:44:01,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:44:01,375 INFO L93 Difference]: Finished difference Result 376 states and 446 transitions. [2020-09-25 14:44:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:44:01,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-25 14:44:01,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:44:01,377 INFO L225 Difference]: With dead ends: 376 [2020-09-25 14:44:01,377 INFO L226 Difference]: Without dead ends: 206 [2020-09-25 14:44:01,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:44:01,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-09-25 14:44:01,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 204. [2020-09-25 14:44:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-25 14:44:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 237 transitions. [2020-09-25 14:44:01,387 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 237 transitions. Word has length 52 [2020-09-25 14:44:01,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:44:01,387 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 237 transitions. [2020-09-25 14:44:01,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:44:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 237 transitions. [2020-09-25 14:44:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-25 14:44:01,389 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:44:01,389 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-25 14:44:01,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 14:44:01,390 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:44:01,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:44:01,390 INFO L82 PathProgramCache]: Analyzing trace with hash 910217494, now seen corresponding path program 1 times [2020-09-25 14:44:01,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:44:01,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737224290] [2020-09-25 14:44:01,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:44:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:01,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:01,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:01,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-25 14:44:01,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:01,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 14:44:01,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:01,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:01,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:44:01,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-25 14:44:01,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:44:01,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:44:01,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:44:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:01,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:01,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:01,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:44:01,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:01,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:44:01,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:01,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:44:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:44:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:44:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:44:01,486 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:44:01,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737224290] [2020-09-25 14:44:01,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:44:01,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:44:01,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256811043] [2020-09-25 14:44:01,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:44:01,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:44:01,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:44:01,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:44:01,488 INFO L87 Difference]: Start difference. First operand 204 states and 237 transitions. Second operand 4 states. [2020-09-25 14:44:01,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:44:01,727 INFO L93 Difference]: Finished difference Result 307 states and 357 transitions. [2020-09-25 14:44:01,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:44:01,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-09-25 14:44:01,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:44:01,729 INFO L225 Difference]: With dead ends: 307 [2020-09-25 14:44:01,729 INFO L226 Difference]: Without dead ends: 163 [2020-09-25 14:44:01,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:44:01,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-09-25 14:44:01,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-09-25 14:44:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-09-25 14:44:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 184 transitions. [2020-09-25 14:44:01,739 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 184 transitions. Word has length 54 [2020-09-25 14:44:01,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:44:01,740 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 184 transitions. [2020-09-25 14:44:01,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:44:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 184 transitions. [2020-09-25 14:44:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-25 14:44:01,742 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:44:01,742 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-25 14:44:01,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 14:44:01,743 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:44:01,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:44:01,743 INFO L82 PathProgramCache]: Analyzing trace with hash 57784286, now seen corresponding path program 1 times [2020-09-25 14:44:01,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:44:01,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271904184] [2020-09-25 14:44:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:44:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:01,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:01,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:01,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 14:44:01,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 14:44:01,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:01,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:01,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:44:01,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 14:44:01,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 14:44:01,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:44:01,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:44:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:01,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:01,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:01,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:44:01,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:44:01,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:01,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:01,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:44:01,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:44:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:44:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:44:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:44:01,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271904184] [2020-09-25 14:44:01,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:44:01,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:44:01,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183759560] [2020-09-25 14:44:01,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:44:01,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:44:01,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:44:01,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:44:01,875 INFO L87 Difference]: Start difference. First operand 163 states and 184 transitions. Second operand 4 states. [2020-09-25 14:44:02,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:44:02,076 INFO L93 Difference]: Finished difference Result 165 states and 185 transitions. [2020-09-25 14:44:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:44:02,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-09-25 14:44:02,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:44:02,078 INFO L225 Difference]: With dead ends: 165 [2020-09-25 14:44:02,079 INFO L226 Difference]: Without dead ends: 160 [2020-09-25 14:44:02,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:44:02,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-25 14:44:02,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-09-25 14:44:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-25 14:44:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 180 transitions. [2020-09-25 14:44:02,085 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 180 transitions. Word has length 55 [2020-09-25 14:44:02,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:44:02,086 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 180 transitions. [2020-09-25 14:44:02,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:44:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 180 transitions. [2020-09-25 14:44:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 14:44:02,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:44:02,087 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-25 14:44:02,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 14:44:02,087 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:44:02,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:44:02,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1987485698, now seen corresponding path program 1 times [2020-09-25 14:44:02,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:44:02,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595832373] [2020-09-25 14:44:02,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:44:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:02,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:02,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:02,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 14:44:02,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:02,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 14:44:02,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:02,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:44:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 14:44:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:44:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:44:02,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:44:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:44:02,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:44:02,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:44:02,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:44:02,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:44:02,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:44:02,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:44:02,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:44:02,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:44:02,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:44:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:44:02,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:44:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:44:02,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595832373] [2020-09-25 14:44:02,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:44:02,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:44:02,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051105257] [2020-09-25 14:44:02,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:44:02,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:44:02,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:44:02,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:44:02,185 INFO L87 Difference]: Start difference. First operand 160 states and 180 transitions. Second operand 4 states. [2020-09-25 14:44:02,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:44:02,412 INFO L93 Difference]: Finished difference Result 250 states and 284 transitions. [2020-09-25 14:44:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 14:44:02,413 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-09-25 14:44:02,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:44:02,413 INFO L225 Difference]: With dead ends: 250 [2020-09-25 14:44:02,414 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:44:02,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:44:02,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:44:02,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:44:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:44:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:44:02,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-09-25 14:44:02,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:44:02,418 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:44:02,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:44:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:44:02,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:44:02,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 14:44:02,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:44:02,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:44:02,741 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 14:44:02,742 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_update~0 |old(~m_update~0)|) (= ~m_initSign~0 |old(~m_initSign~0)|) (= ~m_sign~0 |old(~m_sign~0)|) (= ~m_verify~0 |old(~m_verify~0)|) (= ~m_Signature~0 |old(~m_Signature~0)|) (= ~m_initVerify~0 |old(~m_initVerify~0)|)) [2020-09-25 14:44:02,742 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-25 14:44:02,742 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-25 14:44:02,743 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-25 14:44:02,743 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-09-25 14:44:02,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:44:02,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:44:02,744 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 14:44:02,744 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 14:44:02,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:44:02,745 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 390) no Hoare annotation was computed. [2020-09-25 14:44:02,746 INFO L268 CegarLoopResult]: For program point L366(lines 366 377) no Hoare annotation was computed. [2020-09-25 14:44:02,746 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-25 14:44:02,746 INFO L268 CegarLoopResult]: For program point L300-1(lines 300 315) no Hoare annotation was computed. [2020-09-25 14:44:02,746 INFO L268 CegarLoopResult]: For program point L234(lines 234 245) no Hoare annotation was computed. [2020-09-25 14:44:02,746 INFO L268 CegarLoopResult]: For program point L300-2(line 300) no Hoare annotation was computed. [2020-09-25 14:44:02,746 INFO L268 CegarLoopResult]: For program point L300-3(line 300) no Hoare annotation was computed. [2020-09-25 14:44:02,746 INFO L268 CegarLoopResult]: For program point L102(lines 102 113) no Hoare annotation was computed. [2020-09-25 14:44:02,747 INFO L268 CegarLoopResult]: For program point L334(lines 334 345) no Hoare annotation was computed. [2020-09-25 14:44:02,747 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-09-25 14:44:02,747 INFO L268 CegarLoopResult]: For program point L202(lines 202 213) no Hoare annotation was computed. [2020-09-25 14:44:02,747 INFO L268 CegarLoopResult]: For program point L70(lines 70 72) no Hoare annotation was computed. [2020-09-25 14:44:02,747 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-09-25 14:44:02,747 INFO L268 CegarLoopResult]: For program point L302(lines 302 313) no Hoare annotation was computed. [2020-09-25 14:44:02,747 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 390) no Hoare annotation was computed. [2020-09-25 14:44:02,748 INFO L268 CegarLoopResult]: For program point L170(lines 170 172) no Hoare annotation was computed. [2020-09-25 14:44:02,748 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-09-25 14:44:02,749 INFO L268 CegarLoopResult]: For program point L270(lines 270 272) no Hoare annotation was computed. [2020-09-25 14:44:02,749 INFO L268 CegarLoopResult]: For program point L138(lines 138 140) no Hoare annotation was computed. [2020-09-25 14:44:02,749 INFO L268 CegarLoopResult]: For program point L370(lines 370 372) no Hoare annotation was computed. [2020-09-25 14:44:02,749 INFO L268 CegarLoopResult]: For program point L238(lines 238 240) no Hoare annotation was computed. [2020-09-25 14:44:02,749 INFO L268 CegarLoopResult]: For program point L106(lines 106 108) no Hoare annotation was computed. [2020-09-25 14:44:02,749 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-25 14:44:02,750 INFO L264 CegarLoopResult]: At program point L371(lines 13 390) the Hoare annotation is: false [2020-09-25 14:44:02,750 INFO L268 CegarLoopResult]: For program point L338(lines 338 340) no Hoare annotation was computed. [2020-09-25 14:44:02,750 INFO L268 CegarLoopResult]: For program point L206(lines 206 208) no Hoare annotation was computed. [2020-09-25 14:44:02,750 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-25 14:44:02,750 INFO L268 CegarLoopResult]: For program point L306(lines 306 308) no Hoare annotation was computed. [2020-09-25 14:44:02,750 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-25 14:44:02,751 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-25 14:44:02,751 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-25 14:44:02,751 INFO L268 CegarLoopResult]: For program point L374(line 374) no Hoare annotation was computed. [2020-09-25 14:44:02,751 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-25 14:44:02,751 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-25 14:44:02,752 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-09-25 14:44:02,752 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-25 14:44:02,752 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-09-25 14:44:02,752 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-25 14:44:02,752 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-09-25 14:44:02,752 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-25 14:44:02,753 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 389) no Hoare annotation was computed. [2020-09-25 14:44:02,753 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-25 14:44:02,753 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-25 14:44:02,753 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L47(lines 47 98) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L80-1(lines 80 95) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L80-2(line 80) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L80-3(line 80) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L48-1(lines 48 63) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L48-2(line 48) no Hoare annotation was computed. [2020-09-25 14:44:02,754 INFO L268 CegarLoopResult]: For program point L48-3(line 48) no Hoare annotation was computed. [2020-09-25 14:44:02,755 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-25 14:44:02,755 INFO L268 CegarLoopResult]: For program point L148-1(lines 148 163) no Hoare annotation was computed. [2020-09-25 14:44:02,755 INFO L268 CegarLoopResult]: For program point L82(lines 82 93) no Hoare annotation was computed. [2020-09-25 14:44:02,756 INFO L268 CegarLoopResult]: For program point L148-2(line 148) no Hoare annotation was computed. [2020-09-25 14:44:02,756 INFO L268 CegarLoopResult]: For program point L148-3(line 148) no Hoare annotation was computed. [2020-09-25 14:44:02,756 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 14:44:02,756 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-09-25 14:44:02,756 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 263) no Hoare annotation was computed. [2020-09-25 14:44:02,756 INFO L268 CegarLoopResult]: For program point L248-2(line 248) no Hoare annotation was computed. [2020-09-25 14:44:02,756 INFO L268 CegarLoopResult]: For program point L248-3(line 248) no Hoare annotation was computed. [2020-09-25 14:44:02,757 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-25 14:44:02,757 INFO L268 CegarLoopResult]: For program point L116-1(lines 116 131) no Hoare annotation was computed. [2020-09-25 14:44:02,757 INFO L268 CegarLoopResult]: For program point L50(lines 50 61) no Hoare annotation was computed. [2020-09-25 14:44:02,758 INFO L268 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2020-09-25 14:44:02,758 INFO L268 CegarLoopResult]: For program point L116-3(line 116) no Hoare annotation was computed. [2020-09-25 14:44:02,759 INFO L264 CegarLoopResult]: At program point L381(lines 22 385) the Hoare annotation is: (let ((.cse0 (<= main_~this_state~0 0))) (or (and (<= 2 main_~q~0) .cse0 (<= main_~q~0 2)) (and (= main_~q~0 3) (= 2 main_~this_state~0)) (and (<= main_~q~0 0) .cse0) (and (<= 4 main_~q~0) (= 3 main_~this_state~0)))) [2020-09-25 14:44:02,759 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-25 14:44:02,759 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 363) no Hoare annotation was computed. [2020-09-25 14:44:02,759 INFO L268 CegarLoopResult]: For program point L348-2(line 348) no Hoare annotation was computed. [2020-09-25 14:44:02,759 INFO L268 CegarLoopResult]: For program point L348-3(line 348) no Hoare annotation was computed. [2020-09-25 14:44:02,760 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-25 14:44:02,760 INFO L268 CegarLoopResult]: For program point L183(lines 183 282) no Hoare annotation was computed. [2020-09-25 14:44:02,760 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 231) no Hoare annotation was computed. [2020-09-25 14:44:02,760 INFO L268 CegarLoopResult]: For program point L150(lines 150 161) no Hoare annotation was computed. [2020-09-25 14:44:02,760 INFO L268 CegarLoopResult]: For program point L216-2(line 216) no Hoare annotation was computed. [2020-09-25 14:44:02,760 INFO L268 CegarLoopResult]: For program point L216-3(line 216) no Hoare annotation was computed. [2020-09-25 14:44:02,760 INFO L268 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-09-25 14:44:02,760 INFO L268 CegarLoopResult]: For program point L283(lines 283 382) no Hoare annotation was computed. [2020-09-25 14:44:02,761 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 331) no Hoare annotation was computed. [2020-09-25 14:44:02,761 INFO L268 CegarLoopResult]: For program point L250(lines 250 261) no Hoare annotation was computed. [2020-09-25 14:44:02,761 INFO L268 CegarLoopResult]: For program point L316-2(line 316) no Hoare annotation was computed. [2020-09-25 14:44:02,761 INFO L268 CegarLoopResult]: For program point L316-3(line 316) no Hoare annotation was computed. [2020-09-25 14:44:02,761 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-25 14:44:02,761 INFO L268 CegarLoopResult]: For program point L184-1(lines 184 199) no Hoare annotation was computed. [2020-09-25 14:44:02,761 INFO L268 CegarLoopResult]: For program point L118(lines 118 129) no Hoare annotation was computed. [2020-09-25 14:44:02,761 INFO L268 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-09-25 14:44:02,762 INFO L268 CegarLoopResult]: For program point L184-3(line 184) no Hoare annotation was computed. [2020-09-25 14:44:02,762 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-25 14:44:02,762 INFO L268 CegarLoopResult]: For program point L350(lines 350 361) no Hoare annotation was computed. [2020-09-25 14:44:02,762 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-25 14:44:02,762 INFO L268 CegarLoopResult]: For program point L284-1(lines 284 299) no Hoare annotation was computed. [2020-09-25 14:44:02,762 INFO L268 CegarLoopResult]: For program point L218(lines 218 229) no Hoare annotation was computed. [2020-09-25 14:44:02,762 INFO L268 CegarLoopResult]: For program point L284-2(line 284) no Hoare annotation was computed. [2020-09-25 14:44:02,763 INFO L268 CegarLoopResult]: For program point L284-3(line 284) no Hoare annotation was computed. [2020-09-25 14:44:02,763 INFO L268 CegarLoopResult]: For program point L86(lines 86 88) no Hoare annotation was computed. [2020-09-25 14:44:02,763 INFO L268 CegarLoopResult]: For program point L318(lines 318 329) no Hoare annotation was computed. [2020-09-25 14:44:02,763 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-09-25 14:44:02,763 INFO L268 CegarLoopResult]: For program point L186(lines 186 197) no Hoare annotation was computed. [2020-09-25 14:44:02,763 INFO L268 CegarLoopResult]: For program point L54(lines 54 56) no Hoare annotation was computed. [2020-09-25 14:44:02,763 INFO L268 CegarLoopResult]: For program point L352(line 352) no Hoare annotation was computed. [2020-09-25 14:44:02,763 INFO L268 CegarLoopResult]: For program point L286(lines 286 297) no Hoare annotation was computed. [2020-09-25 14:44:02,764 INFO L268 CegarLoopResult]: For program point L154(lines 154 156) no Hoare annotation was computed. [2020-09-25 14:44:02,764 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 385) the Hoare annotation is: (let ((.cse0 (<= main_~this_state~0 0))) (or (and (<= 2 main_~q~0) .cse0 (<= main_~q~0 2)) (and (<= main_~q~0 0) .cse0) (and (<= 4 main_~q~0) (= 3 main_~this_state~0)))) [2020-09-25 14:44:02,765 INFO L268 CegarLoopResult]: For program point L22-3(lines 22 385) no Hoare annotation was computed. [2020-09-25 14:44:02,765 INFO L268 CegarLoopResult]: For program point L254(lines 254 256) no Hoare annotation was computed. [2020-09-25 14:44:02,765 INFO L268 CegarLoopResult]: For program point L122(lines 122 124) no Hoare annotation was computed. [2020-09-25 14:44:02,765 INFO L268 CegarLoopResult]: For program point L354(lines 354 356) no Hoare annotation was computed. [2020-09-25 14:44:02,765 INFO L268 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-09-25 14:44:02,765 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-25 14:44:02,765 INFO L268 CegarLoopResult]: For program point L322(lines 322 324) no Hoare annotation was computed. [2020-09-25 14:44:02,766 INFO L268 CegarLoopResult]: For program point L190(lines 190 192) no Hoare annotation was computed. [2020-09-25 14:44:02,766 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-25 14:44:02,766 INFO L268 CegarLoopResult]: For program point L290(lines 290 292) no Hoare annotation was computed. [2020-09-25 14:44:02,767 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-09-25 14:44:02,767 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-09-25 14:44:02,767 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-25 14:44:02,767 INFO L268 CegarLoopResult]: For program point L27(lines 27 46) no Hoare annotation was computed. [2020-09-25 14:44:02,767 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-25 14:44:02,767 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-09-25 14:44:02,768 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-25 14:44:02,768 INFO L268 CegarLoopResult]: For program point L28-1(lines 28 43) no Hoare annotation was computed. [2020-09-25 14:44:02,768 INFO L268 CegarLoopResult]: For program point L28-2(line 28) no Hoare annotation was computed. [2020-09-25 14:44:02,768 INFO L268 CegarLoopResult]: For program point L28-3(line 28) no Hoare annotation was computed. [2020-09-25 14:44:02,768 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-25 14:44:02,768 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-25 14:44:02,768 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-09-25 14:44:02,768 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-25 14:44:02,769 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-25 14:44:02,769 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-09-25 14:44:02,769 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-25 14:44:02,769 INFO L268 CegarLoopResult]: For program point L30(lines 30 41) no Hoare annotation was computed. [2020-09-25 14:44:02,769 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 390) the Hoare annotation is: true [2020-09-25 14:44:02,769 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-25 14:44:02,769 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-25 14:44:02,770 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 79) no Hoare annotation was computed. [2020-09-25 14:44:02,770 INFO L268 CegarLoopResult]: For program point L64-2(line 64) no Hoare annotation was computed. [2020-09-25 14:44:02,770 INFO L268 CegarLoopResult]: For program point L64-3(line 64) no Hoare annotation was computed. [2020-09-25 14:44:02,770 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-25 14:44:02,770 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-25 14:44:02,770 INFO L268 CegarLoopResult]: For program point L164-1(lines 164 179) no Hoare annotation was computed. [2020-09-25 14:44:02,770 INFO L268 CegarLoopResult]: For program point L164-2(line 164) no Hoare annotation was computed. [2020-09-25 14:44:02,770 INFO L268 CegarLoopResult]: For program point L164-3(line 164) no Hoare annotation was computed. [2020-09-25 14:44:02,771 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-09-25 14:44:02,771 INFO L268 CegarLoopResult]: For program point L264-1(lines 264 279) no Hoare annotation was computed. [2020-09-25 14:44:02,771 INFO L268 CegarLoopResult]: For program point L264-2(line 264) no Hoare annotation was computed. [2020-09-25 14:44:02,771 INFO L268 CegarLoopResult]: For program point L264-3(line 264) no Hoare annotation was computed. [2020-09-25 14:44:02,771 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-25 14:44:02,771 INFO L268 CegarLoopResult]: For program point L99(lines 99 182) no Hoare annotation was computed. [2020-09-25 14:44:02,771 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 147) no Hoare annotation was computed. [2020-09-25 14:44:02,772 INFO L268 CegarLoopResult]: For program point L66(lines 66 77) no Hoare annotation was computed. [2020-09-25 14:44:02,772 INFO L268 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2020-09-25 14:44:02,772 INFO L268 CegarLoopResult]: For program point L132-3(line 132) no Hoare annotation was computed. [2020-09-25 14:44:02,772 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-25 14:44:02,772 INFO L268 CegarLoopResult]: For program point L364-1(lines 364 379) no Hoare annotation was computed. [2020-09-25 14:44:02,772 INFO L268 CegarLoopResult]: For program point L364-2(line 364) no Hoare annotation was computed. [2020-09-25 14:44:02,772 INFO L268 CegarLoopResult]: For program point L364-3(line 364) no Hoare annotation was computed. [2020-09-25 14:44:02,772 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L232-1(lines 232 247) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L166(lines 166 177) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L100-1(lines 100 115) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L100-2(line 100) no Hoare annotation was computed. [2020-09-25 14:44:02,773 INFO L268 CegarLoopResult]: For program point L100-3(line 100) no Hoare annotation was computed. [2020-09-25 14:44:02,774 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-25 14:44:02,774 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 347) no Hoare annotation was computed. [2020-09-25 14:44:02,774 INFO L268 CegarLoopResult]: For program point L266(lines 266 277) no Hoare annotation was computed. [2020-09-25 14:44:02,774 INFO L268 CegarLoopResult]: For program point L332-2(line 332) no Hoare annotation was computed. [2020-09-25 14:44:02,774 INFO L268 CegarLoopResult]: For program point L332-3(line 332) no Hoare annotation was computed. [2020-09-25 14:44:02,774 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-09-25 14:44:02,774 INFO L268 CegarLoopResult]: For program point L200-1(lines 200 215) no Hoare annotation was computed. [2020-09-25 14:44:02,774 INFO L268 CegarLoopResult]: For program point L134(lines 134 145) no Hoare annotation was computed. [2020-09-25 14:44:02,775 INFO L268 CegarLoopResult]: For program point L200-2(line 200) no Hoare annotation was computed. [2020-09-25 14:44:02,775 INFO L268 CegarLoopResult]: For program point L200-3(line 200) no Hoare annotation was computed. [2020-09-25 14:44:02,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:44:02 BoogieIcfgContainer [2020-09-25 14:44:02,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:44:02,809 INFO L168 Benchmark]: Toolchain (without parser) took 6849.09 ms. Allocated memory was 140.5 MB in the beginning and 286.3 MB in the end (delta: 145.8 MB). Free memory was 100.5 MB in the beginning and 213.4 MB in the end (delta: -112.9 MB). Peak memory consumption was 153.2 MB. Max. memory is 7.1 GB. [2020-09-25 14:44:02,810 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 14:44:02,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.56 ms. Allocated memory is still 140.5 MB. Free memory was 99.9 MB in the beginning and 87.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-25 14:44:02,812 INFO L168 Benchmark]: Boogie Preprocessor took 141.45 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 87.4 MB in the beginning and 179.6 MB in the end (delta: -92.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-25 14:44:02,813 INFO L168 Benchmark]: RCFGBuilder took 708.68 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 143.2 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:44:02,813 INFO L168 Benchmark]: TraceAbstraction took 5609.63 ms. Allocated memory was 202.4 MB in the beginning and 286.3 MB in the end (delta: 83.9 MB). Free memory was 142.6 MB in the beginning and 213.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 133.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:44:02,817 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 378.56 ms. Allocated memory is still 140.5 MB. Free memory was 99.9 MB in the beginning and 87.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.45 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 87.4 MB in the beginning and 179.6 MB in the end (delta: -92.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 708.68 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 143.2 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5609.63 ms. Allocated memory was 202.4 MB in the beginning and 286.3 MB in the end (delta: 83.9 MB). Free memory was 142.6 MB in the beginning and 213.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 133.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 389]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((2 <= q && this_state <= 0) && q <= 2) || (q == 3 && 2 == this_state)) || (q <= 0 && this_state <= 0)) || (4 <= q && 3 == this_state) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((2 <= q && this_state <= 0) && q <= 2) || (q <= 0 && this_state <= 0)) || (4 <= q && 3 == this_state) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 191 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2004 SDtfs, 2910 SDslu, 123 SDs, 0 SdLazy, 1250 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 61 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 14 NumberOfFragments, 80 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 174 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 476 NumberOfCodeBlocks, 476 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 39271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 56/56 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 correct! Received shutdown request...