/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=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:30:02,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:30:02,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:30:02,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:30:02,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:30:02,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:30:02,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:30:02,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:30:02,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:30:02,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:30:02,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:30:02,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:30:02,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:30:02,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:30:02,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:30:02,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:30:02,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:30:02,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:30:02,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:30:02,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:30:02,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:30:02,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:30:02,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:30:02,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:30:02,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:30:02,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:30:02,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:30:02,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:30:02,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:30:02,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:30:02,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:30:02,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:30:02,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:30:02,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:30:02,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:30:02,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:30:02,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:30:02,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:30:02,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:30:02,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:30:02,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:30:02,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 18:30:02,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:30:02,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:30:02,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:30:02,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:30:02,667 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:30:02,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:30:02,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:30:02,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:30:02,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:30:02,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:30:02,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:30:02,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:30:02,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:30:02,669 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:30:02,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:30:02,669 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:30:02,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:30:02,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:30:02,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:30:02,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:30:02,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:30:02,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:30:02,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:30:02,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:30:02,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:30:02,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:30:02,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:30:02,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:30:02,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:30:02,672 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 18:30:03,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:30:03,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:30:03,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:30:03,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:30:03,237 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:30:03,239 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-24 18:30:03,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339848770/aa3a571be3334834ac6fa32766b1d79c/FLAG4876717ee [2020-09-24 18:30:03,920 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:30:03,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-24 18:30:03,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339848770/aa3a571be3334834ac6fa32766b1d79c/FLAG4876717ee [2020-09-24 18:30:04,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339848770/aa3a571be3334834ac6fa32766b1d79c [2020-09-24 18:30:04,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:30:04,253 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:30:04,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:30:04,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:30:04,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:30:04,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66145f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04, skipping insertion in model container [2020-09-24 18:30:04,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:30:04,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:30:04,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:30:04,580 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:30:04,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:30:04,640 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:30:04,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04 WrapperNode [2020-09-24 18:30:04,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:30:04,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:30:04,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:30:04,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:30:04,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (1/1) ... [2020-09-24 18:30:04,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:30:04,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:30:04,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:30:04,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:30:04,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:30:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:30:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:30:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:30:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:30:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:30:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:30:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:30:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 18:30:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:30:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:30:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:30:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:30:05,438 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:30:05,438 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 18:30:05,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:30:05 BoogieIcfgContainer [2020-09-24 18:30:05,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:30:05,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:30:05,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:30:05,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:30:05,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:30:04" (1/3) ... [2020-09-24 18:30:05,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729f8f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:30:05, skipping insertion in model container [2020-09-24 18:30:05,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:30:04" (2/3) ... [2020-09-24 18:30:05,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729f8f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:30:05, skipping insertion in model container [2020-09-24 18:30:05,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:30:05" (3/3) ... [2020-09-24 18:30:05,458 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2020-09-24 18:30:05,470 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:30:05,482 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2020-09-24 18:30:05,506 INFO L251 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2020-09-24 18:30:05,548 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:30:05,548 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:30:05,548 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:30:05,548 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:30:05,549 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:30:05,549 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:30:05,549 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:30:05,549 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:30:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-09-24 18:30:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-24 18:30:05,594 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:05,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:05,596 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:05,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:05,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1480175740, now seen corresponding path program 1 times [2020-09-24 18:30:05,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:05,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235010859] [2020-09-24 18:30:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:06,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:06,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 18:30:06,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:06,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-09-24 18:30:06,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:06,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:30:06,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 18:30:06,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 18:30:06,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:30:06,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:06,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:06,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:06,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:06,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 18:30:06,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:06,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:06,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:06,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235010859] [2020-09-24 18:30:06,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:06,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 18:30:06,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153703760] [2020-09-24 18:30:06,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 18:30:06,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:06,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 18:30:06,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 18:30:06,337 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 6 states. [2020-09-24 18:30:07,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:07,051 INFO L93 Difference]: Finished difference Result 221 states and 247 transitions. [2020-09-24 18:30:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 18:30:07,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-09-24 18:30:07,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:07,070 INFO L225 Difference]: With dead ends: 221 [2020-09-24 18:30:07,070 INFO L226 Difference]: Without dead ends: 181 [2020-09-24 18:30:07,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 18:30:07,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-24 18:30:07,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-09-24 18:30:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 18:30:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 185 transitions. [2020-09-24 18:30:07,142 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 185 transitions. Word has length 30 [2020-09-24 18:30:07,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:07,143 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 185 transitions. [2020-09-24 18:30:07,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 18:30:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions. [2020-09-24 18:30:07,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 18:30:07,145 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:07,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:07,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:30:07,146 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:07,146 INFO L82 PathProgramCache]: Analyzing trace with hash 983595193, now seen corresponding path program 1 times [2020-09-24 18:30:07,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:07,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649811933] [2020-09-24 18:30:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:07,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:07,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:07,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 18:30:07,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-24 18:30:07,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 18:30:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 18:30:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 18:30:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:07,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:07,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:07,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:07,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:07,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:30:07,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:07,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:07,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:07,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649811933] [2020-09-24 18:30:07,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:07,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 18:30:07,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032895776] [2020-09-24 18:30:07,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 18:30:07,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:07,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 18:30:07,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:30:07,483 INFO L87 Difference]: Start difference. First operand 181 states and 185 transitions. Second operand 8 states. [2020-09-24 18:30:08,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:08,362 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-24 18:30:08,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 18:30:08,363 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 18:30:08,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:08,366 INFO L225 Difference]: With dead ends: 287 [2020-09-24 18:30:08,366 INFO L226 Difference]: Without dead ends: 285 [2020-09-24 18:30:08,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 18:30:08,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-24 18:30:08,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 179. [2020-09-24 18:30:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-09-24 18:30:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 183 transitions. [2020-09-24 18:30:08,387 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 183 transitions. Word has length 33 [2020-09-24 18:30:08,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:08,388 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 183 transitions. [2020-09-24 18:30:08,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 18:30:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 183 transitions. [2020-09-24 18:30:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 18:30:08,389 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:08,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:08,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:30:08,390 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:08,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:08,391 INFO L82 PathProgramCache]: Analyzing trace with hash -378774596, now seen corresponding path program 1 times [2020-09-24 18:30:08,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:08,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008050769] [2020-09-24 18:30:08,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:08,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:08,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:08,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 18:30:08,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:08,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 18:30:08,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 18:30:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 18:30:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 18:30:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:08,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:08,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:08,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:08,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:08,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:08,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:08,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:08,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:08,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:08,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008050769] [2020-09-24 18:30:08,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:08,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 18:30:08,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865400057] [2020-09-24 18:30:08,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 18:30:08,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:08,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 18:30:08,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:30:08,607 INFO L87 Difference]: Start difference. First operand 179 states and 183 transitions. Second operand 8 states. [2020-09-24 18:30:09,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:09,208 INFO L93 Difference]: Finished difference Result 179 states and 183 transitions. [2020-09-24 18:30:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 18:30:09,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-09-24 18:30:09,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:09,212 INFO L225 Difference]: With dead ends: 179 [2020-09-24 18:30:09,213 INFO L226 Difference]: Without dead ends: 177 [2020-09-24 18:30:09,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-24 18:30:09,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-09-24 18:30:09,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-09-24 18:30:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-09-24 18:30:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 181 transitions. [2020-09-24 18:30:09,228 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 181 transitions. Word has length 35 [2020-09-24 18:30:09,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:09,228 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 181 transitions. [2020-09-24 18:30:09,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 18:30:09,228 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions. [2020-09-24 18:30:09,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 18:30:09,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:09,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:09,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:30:09,231 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:09,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:09,231 INFO L82 PathProgramCache]: Analyzing trace with hash 856839139, now seen corresponding path program 1 times [2020-09-24 18:30:09,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:09,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220455812] [2020-09-24 18:30:09,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:09,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:09,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:09,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:09,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:09,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:10,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:10,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 18:30:10,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 18:30:10,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1396 [2020-09-24 18:30:10,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:30:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 18:30:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 18:30:10,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 18:30:10,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:10,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:10,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:10,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:10,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:10,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:30:10,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:10,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:10,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220455812] [2020-09-24 18:30:10,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:10,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 18:30:10,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554491235] [2020-09-24 18:30:10,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 18:30:10,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:10,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 18:30:10,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 18:30:10,723 INFO L87 Difference]: Start difference. First operand 177 states and 181 transitions. Second operand 6 states. [2020-09-24 18:30:11,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:11,071 INFO L93 Difference]: Finished difference Result 177 states and 181 transitions. [2020-09-24 18:30:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 18:30:11,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-09-24 18:30:11,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:11,074 INFO L225 Difference]: With dead ends: 177 [2020-09-24 18:30:11,074 INFO L226 Difference]: Without dead ends: 175 [2020-09-24 18:30:11,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 18:30:11,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-24 18:30:11,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-24 18:30:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-24 18:30:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-24 18:30:11,086 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 43 [2020-09-24 18:30:11,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:11,086 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-24 18:30:11,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 18:30:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-24 18:30:11,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 18:30:11,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:11,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:11,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 18:30:11,089 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:11,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:11,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1814856032, now seen corresponding path program 1 times [2020-09-24 18:30:11,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:11,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637066578] [2020-09-24 18:30:11,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:11,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:11,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:11,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:11,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:12,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:12,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 18:30:12,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 18:30:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1353 [2020-09-24 18:30:12,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:30:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 18:30:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 18:30:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:12,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:12,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:12,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:12,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:12,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637066578] [2020-09-24 18:30:12,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:12,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 18:30:12,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964996978] [2020-09-24 18:30:12,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 18:30:12,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:12,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 18:30:12,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 18:30:12,518 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 6 states. [2020-09-24 18:30:12,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:12,863 INFO L93 Difference]: Finished difference Result 175 states and 179 transitions. [2020-09-24 18:30:12,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 18:30:12,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-09-24 18:30:12,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:12,865 INFO L225 Difference]: With dead ends: 175 [2020-09-24 18:30:12,865 INFO L226 Difference]: Without dead ends: 173 [2020-09-24 18:30:12,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 18:30:12,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-24 18:30:12,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-09-24 18:30:12,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-24 18:30:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-24 18:30:12,874 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 43 [2020-09-24 18:30:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:12,875 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-24 18:30:12,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 18:30:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-24 18:30:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 18:30:12,877 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:12,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:12,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 18:30:12,878 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:12,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:12,878 INFO L82 PathProgramCache]: Analyzing trace with hash -321095215, now seen corresponding path program 1 times [2020-09-24 18:30:12,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:12,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551206793] [2020-09-24 18:30:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:12,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:12,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:12,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:13,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:13,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 18:30:13,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:30:13,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 969 [2020-09-24 18:30:13,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:13,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:30:13,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 18:30:13,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 18:30:13,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:13,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:13,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:13,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:30:13,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:13,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551206793] [2020-09-24 18:30:13,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:13,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 18:30:13,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395758965] [2020-09-24 18:30:13,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 18:30:13,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:13,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 18:30:13,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 18:30:13,924 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 6 states. [2020-09-24 18:30:14,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:14,249 INFO L93 Difference]: Finished difference Result 173 states and 177 transitions. [2020-09-24 18:30:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:30:14,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-24 18:30:14,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:14,255 INFO L225 Difference]: With dead ends: 173 [2020-09-24 18:30:14,256 INFO L226 Difference]: Without dead ends: 161 [2020-09-24 18:30:14,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:30:14,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-24 18:30:14,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2020-09-24 18:30:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-09-24 18:30:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 165 transitions. [2020-09-24 18:30:14,276 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 165 transitions. Word has length 48 [2020-09-24 18:30:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:14,277 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 165 transitions. [2020-09-24 18:30:14,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 18:30:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 165 transitions. [2020-09-24 18:30:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 18:30:14,280 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:14,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:14,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 18:30:14,286 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:14,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:14,286 INFO L82 PathProgramCache]: Analyzing trace with hash -153858296, now seen corresponding path program 1 times [2020-09-24 18:30:14,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:14,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81656904] [2020-09-24 18:30:14,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:14,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:14,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:14,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:14,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 18:30:14,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:30:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-24 18:30:14,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:30:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 18:30:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 18:30:14,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:14,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:14,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:14,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:14,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:14,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:14,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:30:14,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:14,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:14,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81656904] [2020-09-24 18:30:14,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:14,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:30:14,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313085423] [2020-09-24 18:30:14,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:30:14,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:14,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:30:14,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:30:14,658 INFO L87 Difference]: Start difference. First operand 161 states and 165 transitions. Second operand 7 states. [2020-09-24 18:30:15,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:15,232 INFO L93 Difference]: Finished difference Result 289 states and 296 transitions. [2020-09-24 18:30:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 18:30:15,232 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-24 18:30:15,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:15,234 INFO L225 Difference]: With dead ends: 289 [2020-09-24 18:30:15,234 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 18:30:15,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 18:30:15,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 18:30:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 159. [2020-09-24 18:30:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 18:30:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-24 18:30:15,242 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-24 18:30:15,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:15,242 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-24 18:30:15,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:30:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-24 18:30:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 18:30:15,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:15,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:15,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 18:30:15,245 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:15,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:15,245 INFO L82 PathProgramCache]: Analyzing trace with hash -720035671, now seen corresponding path program 1 times [2020-09-24 18:30:15,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:15,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933453432] [2020-09-24 18:30:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:15,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:15,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:15,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:16,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:16,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 18:30:16,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:30:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-09-24 18:30:16,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:30:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 18:30:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 18:30:16,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:16,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:16,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:16,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:16,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:16,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:16,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:16,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:16,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:16,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:16,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933453432] [2020-09-24 18:30:16,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:16,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 18:30:16,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643844941] [2020-09-24 18:30:16,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 18:30:16,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:16,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 18:30:16,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 18:30:16,108 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 6 states. [2020-09-24 18:30:16,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:16,369 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-24 18:30:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:30:16,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-24 18:30:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:16,371 INFO L225 Difference]: With dead ends: 159 [2020-09-24 18:30:16,371 INFO L226 Difference]: Without dead ends: 147 [2020-09-24 18:30:16,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:30:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-09-24 18:30:16,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-09-24 18:30:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-24 18:30:16,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions. [2020-09-24 18:30:16,380 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 48 [2020-09-24 18:30:16,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:16,381 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions. [2020-09-24 18:30:16,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 18:30:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2020-09-24 18:30:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 18:30:16,383 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:16,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:16,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 18:30:16,383 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:16,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:16,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1338866642, now seen corresponding path program 1 times [2020-09-24 18:30:16,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:16,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177536520] [2020-09-24 18:30:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:16,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:16,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:16,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:16,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 18:30:16,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:30:16,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-09-24 18:30:16,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:30:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 18:30:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 18:30:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:16,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:16,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:16,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:16,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:16,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:16,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:16,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:16,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:16,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:16,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:16,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:16,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177536520] [2020-09-24 18:30:16,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:16,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:30:16,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172751334] [2020-09-24 18:30:16,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:30:16,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:16,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:30:16,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:30:16,790 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand 7 states. [2020-09-24 18:30:17,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:17,249 INFO L93 Difference]: Finished difference Result 227 states and 233 transitions. [2020-09-24 18:30:17,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 18:30:17,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 18:30:17,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:17,251 INFO L225 Difference]: With dead ends: 227 [2020-09-24 18:30:17,252 INFO L226 Difference]: Without dead ends: 225 [2020-09-24 18:30:17,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 18:30:17,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-09-24 18:30:17,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 145. [2020-09-24 18:30:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-24 18:30:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions. [2020-09-24 18:30:17,259 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 53 [2020-09-24 18:30:17,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:17,259 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions. [2020-09-24 18:30:17,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:30:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2020-09-24 18:30:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 18:30:17,260 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:17,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:17,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 18:30:17,261 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:17,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:17,261 INFO L82 PathProgramCache]: Analyzing trace with hash -705283452, now seen corresponding path program 1 times [2020-09-24 18:30:17,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:17,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67497667] [2020-09-24 18:30:17,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:17,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:17,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:17,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 18:30:17,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:30:17,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-24 18:30:17,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:17,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:30:17,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 18:30:17,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 18:30:17,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:17,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:17,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:17,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:17,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:17,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:17,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:30:17,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:17,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:17,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:17,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:17,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:17,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67497667] [2020-09-24 18:30:17,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:17,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:30:17,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226272077] [2020-09-24 18:30:17,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:30:17,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:17,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:30:17,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:30:17,687 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 7 states. [2020-09-24 18:30:18,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:18,248 INFO L93 Difference]: Finished difference Result 208 states and 214 transitions. [2020-09-24 18:30:18,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 18:30:18,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 18:30:18,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:18,251 INFO L225 Difference]: With dead ends: 208 [2020-09-24 18:30:18,251 INFO L226 Difference]: Without dead ends: 206 [2020-09-24 18:30:18,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 18:30:18,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-09-24 18:30:18,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 143. [2020-09-24 18:30:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-24 18:30:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2020-09-24 18:30:18,261 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 53 [2020-09-24 18:30:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:18,261 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2020-09-24 18:30:18,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:30:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2020-09-24 18:30:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 18:30:18,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:18,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:18,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 18:30:18,264 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:18,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:18,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1450324932, now seen corresponding path program 1 times [2020-09-24 18:30:18,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:18,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188252343] [2020-09-24 18:30:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:18,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:18,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:18,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:18,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 18:30:18,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:30:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-09-24 18:30:18,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:30:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 18:30:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 18:30:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:18,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:18,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:18,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:18,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:18,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:18,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:18,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:18,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:18,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188252343] [2020-09-24 18:30:18,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:18,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:30:18,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050783823] [2020-09-24 18:30:18,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:30:18,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:18,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:30:18,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:30:18,671 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand 7 states. [2020-09-24 18:30:18,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:18,969 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-24 18:30:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 18:30:18,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 18:30:18,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:18,972 INFO L225 Difference]: With dead ends: 159 [2020-09-24 18:30:18,973 INFO L226 Difference]: Without dead ends: 157 [2020-09-24 18:30:18,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:30:18,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-24 18:30:18,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2020-09-24 18:30:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-09-24 18:30:18,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2020-09-24 18:30:18,983 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 53 [2020-09-24 18:30:18,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:18,983 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2020-09-24 18:30:18,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:30:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2020-09-24 18:30:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 18:30:18,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:18,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:18,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 18:30:18,985 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:18,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:18,986 INFO L82 PathProgramCache]: Analyzing trace with hash -176330525, now seen corresponding path program 1 times [2020-09-24 18:30:18,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:18,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745336641] [2020-09-24 18:30:18,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:19,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:19,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:19,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:19,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 18:30:19,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:30:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 735 [2020-09-24 18:30:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 18:30:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 18:30:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 18:30:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:19,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:19,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:19,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:19,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:19,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:19,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:19,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745336641] [2020-09-24 18:30:19,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:19,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:30:19,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191507695] [2020-09-24 18:30:19,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:30:19,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:19,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:30:19,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:30:19,980 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand 10 states. [2020-09-24 18:30:20,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:20,963 INFO L93 Difference]: Finished difference Result 313 states and 323 transitions. [2020-09-24 18:30:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 18:30:20,964 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 18:30:20,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:20,967 INFO L225 Difference]: With dead ends: 313 [2020-09-24 18:30:20,967 INFO L226 Difference]: Without dead ends: 311 [2020-09-24 18:30:20,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 18:30:20,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-09-24 18:30:20,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 139. [2020-09-24 18:30:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-09-24 18:30:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 143 transitions. [2020-09-24 18:30:20,974 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 143 transitions. Word has length 53 [2020-09-24 18:30:20,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:20,974 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 143 transitions. [2020-09-24 18:30:20,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:30:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 143 transitions. [2020-09-24 18:30:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 18:30:20,975 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:20,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:20,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 18:30:20,976 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:20,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1223452514, now seen corresponding path program 1 times [2020-09-24 18:30:20,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:20,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419417212] [2020-09-24 18:30:20,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:20,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:21,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:21,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:21,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 18:30:21,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:30:21,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 928 [2020-09-24 18:30:21,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 18:30:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 18:30:21,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 18:30:21,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:22,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:22,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:22,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:22,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:22,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:30:22,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:22,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419417212] [2020-09-24 18:30:22,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:22,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:30:22,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801036869] [2020-09-24 18:30:22,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:30:22,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:22,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:30:22,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:30:22,119 INFO L87 Difference]: Start difference. First operand 139 states and 143 transitions. Second operand 10 states. [2020-09-24 18:30:22,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:22,782 INFO L93 Difference]: Finished difference Result 204 states and 210 transitions. [2020-09-24 18:30:22,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 18:30:22,783 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 18:30:22,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:22,785 INFO L225 Difference]: With dead ends: 204 [2020-09-24 18:30:22,785 INFO L226 Difference]: Without dead ends: 202 [2020-09-24 18:30:22,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-24 18:30:22,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-09-24 18:30:22,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 137. [2020-09-24 18:30:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-09-24 18:30:22,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 141 transitions. [2020-09-24 18:30:22,792 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 141 transitions. Word has length 58 [2020-09-24 18:30:22,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:22,793 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 141 transitions. [2020-09-24 18:30:22,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:30:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2020-09-24 18:30:22,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 18:30:22,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:22,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:22,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 18:30:22,794 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:22,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:22,795 INFO L82 PathProgramCache]: Analyzing trace with hash 796591608, now seen corresponding path program 1 times [2020-09-24 18:30:22,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:22,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766589335] [2020-09-24 18:30:22,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:22,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:22,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:23,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:23,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 18:30:23,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:30:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 944 [2020-09-24 18:30:23,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 18:30:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 18:30:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 18:30:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:23,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:23,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:23,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:23,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:23,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:23,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:23,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766589335] [2020-09-24 18:30:23,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:23,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:30:23,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258097600] [2020-09-24 18:30:23,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:30:23,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:23,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:30:23,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:30:23,914 INFO L87 Difference]: Start difference. First operand 137 states and 141 transitions. Second operand 10 states. [2020-09-24 18:30:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:24,501 INFO L93 Difference]: Finished difference Result 185 states and 191 transitions. [2020-09-24 18:30:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 18:30:24,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 18:30:24,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:24,503 INFO L225 Difference]: With dead ends: 185 [2020-09-24 18:30:24,503 INFO L226 Difference]: Without dead ends: 183 [2020-09-24 18:30:24,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-24 18:30:24,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-09-24 18:30:24,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 135. [2020-09-24 18:30:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-09-24 18:30:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 139 transitions. [2020-09-24 18:30:24,509 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 139 transitions. Word has length 58 [2020-09-24 18:30:24,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:24,509 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 139 transitions. [2020-09-24 18:30:24,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:30:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2020-09-24 18:30:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 18:30:24,510 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:24,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:24,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 18:30:24,511 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:24,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:24,511 INFO L82 PathProgramCache]: Analyzing trace with hash 482062159, now seen corresponding path program 1 times [2020-09-24 18:30:24,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:24,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838217848] [2020-09-24 18:30:24,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:24,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:24,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:25,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:25,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 18:30:25,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:30:25,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 896 [2020-09-24 18:30:25,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:25,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 18:30:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 18:30:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 18:30:25,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:25,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:25,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:25,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:25,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:25,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:25,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:25,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838217848] [2020-09-24 18:30:25,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:25,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:30:25,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114726562] [2020-09-24 18:30:25,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:30:25,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:25,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:30:25,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:30:25,593 INFO L87 Difference]: Start difference. First operand 135 states and 139 transitions. Second operand 10 states. [2020-09-24 18:30:26,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:26,031 INFO L93 Difference]: Finished difference Result 135 states and 139 transitions. [2020-09-24 18:30:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 18:30:26,031 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 18:30:26,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:26,033 INFO L225 Difference]: With dead ends: 135 [2020-09-24 18:30:26,033 INFO L226 Difference]: Without dead ends: 123 [2020-09-24 18:30:26,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-09-24 18:30:26,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-24 18:30:26,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-09-24 18:30:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-24 18:30:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 127 transitions. [2020-09-24 18:30:26,040 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 127 transitions. Word has length 58 [2020-09-24 18:30:26,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:26,040 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 127 transitions. [2020-09-24 18:30:26,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:30:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2020-09-24 18:30:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-24 18:30:26,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:26,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:26,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 18:30:26,042 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:26,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:26,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1558790018, now seen corresponding path program 1 times [2020-09-24 18:30:26,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:26,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971214916] [2020-09-24 18:30:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:26,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:26,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:26,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:26,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:28,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:28,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:28,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:29,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:29,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:31,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:31,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 18:30:31,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-24 18:30:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-24 18:30:31,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 18:30:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 18:30:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 18:30:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:31,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:31,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:31,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:31,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:30:31,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:31,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:30:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:31,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971214916] [2020-09-24 18:30:31,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:31,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 18:30:31,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051000999] [2020-09-24 18:30:31,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 18:30:31,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:31,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 18:30:31,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:30:31,147 INFO L87 Difference]: Start difference. First operand 123 states and 127 transitions. Second operand 8 states. [2020-09-24 18:30:31,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:31,498 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2020-09-24 18:30:31,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 18:30:31,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-09-24 18:30:31,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:31,500 INFO L225 Difference]: With dead ends: 123 [2020-09-24 18:30:31,500 INFO L226 Difference]: Without dead ends: 121 [2020-09-24 18:30:31,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-24 18:30:31,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-24 18:30:31,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2020-09-24 18:30:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-24 18:30:31,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2020-09-24 18:30:31,512 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 66 [2020-09-24 18:30:31,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:31,512 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2020-09-24 18:30:31,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 18:30:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2020-09-24 18:30:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 18:30:31,513 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:30:31,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:30:31,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 18:30:31,514 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:30:31,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:30:31,514 INFO L82 PathProgramCache]: Analyzing trace with hash 923424153, now seen corresponding path program 1 times [2020-09-24 18:30:31,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:30:31,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131264922] [2020-09-24 18:30:31,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:30:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:31,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:31,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:31,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:32,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:34,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:34,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 18:30:34,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 18:30:34,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2857 [2020-09-24 18:30:34,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:34,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:30:34,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-24 18:30:34,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 18:30:34,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:30:34,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:30:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:30:34,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:30:34,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:30:34,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:30:34,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:30:34,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 18:30:34,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:30:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:30:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:30:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:30:34,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 18:30:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:30:34,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131264922] [2020-09-24 18:30:34,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:30:34,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 18:30:34,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929325132] [2020-09-24 18:30:34,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 18:30:34,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:30:34,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 18:30:34,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 18:30:34,447 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand 6 states. [2020-09-24 18:30:34,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:30:34,722 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2020-09-24 18:30:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:30:34,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-24 18:30:34,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:30:34,723 INFO L225 Difference]: With dead ends: 121 [2020-09-24 18:30:34,724 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 18:30:34,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:30:34,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 18:30:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 18:30:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 18:30:34,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 18:30:34,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-09-24 18:30:34,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:30:34,727 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 18:30:34,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 18:30:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 18:30:34,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 18:30:34,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 18:30:34,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 18:30:35,286 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 16 [2020-09-24 18:30:35,339 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:30:35,340 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 18:30:35,340 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 18:30:35,340 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 18:30:35,340 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_247_0~0 |old(~__tmp_247_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-24 18:30:35,340 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:30:35,341 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:30:35,341 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 18:30:35,341 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 18:30:35,341 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:30:35,341 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 18:30:35,341 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 18:30:35,341 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 18:30:35,341 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 18:30:35,341 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 18:30:35,342 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-09-24 18:30:35,342 INFO L268 CegarLoopResult]: For program point L349(line 349) no Hoare annotation was computed. [2020-09-24 18:30:35,342 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-24 18:30:35,342 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 373) no Hoare annotation was computed. [2020-09-24 18:30:35,343 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 18:30:35,343 INFO L268 CegarLoopResult]: For program point L151(lines 151 159) no Hoare annotation was computed. [2020-09-24 18:30:35,343 INFO L268 CegarLoopResult]: For program point L52(lines 52 252) no Hoare annotation was computed. [2020-09-24 18:30:35,343 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-09-24 18:30:35,343 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 18:30:35,344 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 18:30:35,344 INFO L268 CegarLoopResult]: For program point L69(lines 69 93) no Hoare annotation was computed. [2020-09-24 18:30:35,344 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 18:30:35,344 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-09-24 18:30:35,344 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 18:30:35,344 INFO L268 CegarLoopResult]: For program point L185(lines 185 195) no Hoare annotation was computed. [2020-09-24 18:30:35,344 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 18:30:35,345 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 18:30:35,345 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-24 18:30:35,345 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 308) no Hoare annotation was computed. [2020-09-24 18:30:35,345 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 18:30:35,345 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 18:30:35,346 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-24 18:30:35,347 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-09-24 18:30:35,347 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-24 18:30:35,347 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed. [2020-09-24 18:30:35,347 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-24 18:30:35,347 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 18:30:35,347 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point L335(lines 335 358) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 373) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2020-09-24 18:30:35,348 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 18:30:35,349 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-24 18:30:35,349 INFO L268 CegarLoopResult]: For program point L104(lines 104 208) no Hoare annotation was computed. [2020-09-24 18:30:35,349 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 18:30:35,349 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-09-24 18:30:35,349 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-09-24 18:30:35,349 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-24 18:30:35,349 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 18:30:35,350 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-24 18:30:35,350 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 18:30:35,350 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 18:30:35,350 INFO L268 CegarLoopResult]: For program point L22(lines 22 367) no Hoare annotation was computed. [2020-09-24 18:30:35,350 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 18:30:35,350 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point L287(lines 287 361) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 18:30:35,351 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-24 18:30:35,352 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-24 18:30:35,352 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 18:30:35,352 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 337) no Hoare annotation was computed. [2020-09-24 18:30:35,352 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-24 18:30:35,352 INFO L268 CegarLoopResult]: For program point L139(lines 139 161) no Hoare annotation was computed. [2020-09-24 18:30:35,352 INFO L268 CegarLoopResult]: For program point L40(lines 40 254) no Hoare annotation was computed. [2020-09-24 18:30:35,352 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-09-24 18:30:35,352 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-24 18:30:35,353 INFO L268 CegarLoopResult]: For program point L123(lines 123 200) no Hoare annotation was computed. [2020-09-24 18:30:35,353 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 18:30:35,353 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 18:30:35,353 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 18:30:35,353 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-24 18:30:35,353 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-24 18:30:35,353 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-24 18:30:35,354 INFO L268 CegarLoopResult]: For program point L173(lines 173 197) no Hoare annotation was computed. [2020-09-24 18:30:35,354 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 18:30:35,354 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-09-24 18:30:35,355 INFO L264 CegarLoopResult]: At program point L355(lines 281 362) the Hoare annotation is: (and (let ((.cse0 (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0))) (or (and .cse0 (= main_~__VERIFIER_assert__cond~13 1) (= main_~__tmp_14~0 1)) (and (not (= main_~__tmp_14~0 0)) .cse0 (<= 1 main_~__VERIFIER_assert__cond~17) (<= 1 main_~__tmp_18~0) (not (= main_~__VERIFIER_assert__cond~13 0))))) (<= 0 main_~main__t~0)) [2020-09-24 18:30:35,355 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-24 18:30:35,355 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-09-24 18:30:35,355 INFO L268 CegarLoopResult]: For program point L322-2(line 322) no Hoare annotation was computed. [2020-09-24 18:30:35,355 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-24 18:30:35,356 INFO L268 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed. [2020-09-24 18:30:35,356 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-24 18:30:35,356 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-24 18:30:35,356 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-09-24 18:30:35,357 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 18:30:35,357 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-24 18:30:35,357 INFO L268 CegarLoopResult]: For program point L323(lines 323 360) no Hoare annotation was computed. [2020-09-24 18:30:35,357 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 18:30:35,357 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-24 18:30:35,357 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-09-24 18:30:35,357 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-24 18:30:35,358 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-24 18:30:35,359 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-24 18:30:35,359 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-24 18:30:35,359 INFO L268 CegarLoopResult]: For program point L275(lines 275 362) no Hoare annotation was computed. [2020-09-24 18:30:35,359 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-24 18:30:35,359 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-24 18:30:35,359 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 18:30:35,359 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2020-09-24 18:30:35,359 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 18:30:35,360 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 18:30:35,360 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-24 18:30:35,360 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 18:30:35,360 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed. [2020-09-24 18:30:35,360 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-09-24 18:30:35,360 INFO L268 CegarLoopResult]: For program point L111(lines 111 202) no Hoare annotation was computed. [2020-09-24 18:30:35,360 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 18:30:35,360 INFO L264 CegarLoopResult]: At program point L326(lines 30 366) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-24 18:30:35,360 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-09-24 18:30:35,361 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 18:30:35,362 INFO L264 CegarLoopResult]: At program point L194(lines 58 252) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-24 18:30:35,362 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 18:30:35,362 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 18:30:35,362 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 18:30:35,362 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2020-09-24 18:30:35,362 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 18:30:35,362 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 18:30:35,362 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 18:30:35,363 INFO L268 CegarLoopResult]: For program point L294(lines 294 316) no Hoare annotation was computed. [2020-09-24 18:30:35,363 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-24 18:30:35,363 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2020-09-24 18:30:35,363 INFO L268 CegarLoopResult]: For program point L30(lines 30 366) no Hoare annotation was computed. [2020-09-24 18:30:35,363 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 373) the Hoare annotation is: (and (= |old(~__tmp_247_0~0)| ~__tmp_247_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-24 18:30:35,363 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 18:30:35,363 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-24 18:30:35,363 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 349) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2020-09-24 18:30:35,364 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L213-2(line 213) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L81(lines 81 91) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-09-24 18:30:35,365 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-24 18:30:35,366 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-24 18:30:35,366 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 18:30:35,366 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 18:30:35,366 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-24 18:30:35,366 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-24 18:30:35,366 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-09-24 18:30:35,366 INFO L264 CegarLoopResult]: At program point L313(lines 30 366) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-09-24 18:30:35,366 INFO L268 CegarLoopResult]: For program point L214(lines 214 249) no Hoare annotation was computed. [2020-09-24 18:30:35,366 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L264(lines 264 364) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L132(lines 132 199) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 18:30:35,367 INFO L268 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed. [2020-09-24 18:30:35,368 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2020-09-24 18:30:35,368 INFO L268 CegarLoopResult]: For program point L99-2(line 99) no Hoare annotation was computed. [2020-09-24 18:30:35,368 INFO L268 CegarLoopResult]: For program point L347(lines 347 356) no Hoare annotation was computed. [2020-09-24 18:30:35,368 INFO L264 CegarLoopResult]: At program point L248(lines 100 250) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-24 18:30:35,368 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 18:30:35,368 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 18:30:35,368 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 18:30:35,368 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L100(lines 100 250) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-24 18:30:35,369 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 18:30:35,370 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-24 18:30:35,370 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-24 18:30:35,370 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 18:30:35,370 INFO L268 CegarLoopResult]: For program point L18(lines 18 372) no Hoare annotation was computed. [2020-09-24 18:30:35,370 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2020-09-24 18:30:35,370 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-24 18:30:35,370 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-24 18:30:35,370 INFO L268 CegarLoopResult]: For program point L233(lines 233 241) no Hoare annotation was computed. [2020-09-24 18:30:35,371 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-24 18:30:35,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:30:35 BoogieIcfgContainer [2020-09-24 18:30:35,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:30:35,414 INFO L168 Benchmark]: Toolchain (without parser) took 31162.28 ms. Allocated memory was 140.0 MB in the beginning and 422.6 MB in the end (delta: 282.6 MB). Free memory was 103.1 MB in the beginning and 253.7 MB in the end (delta: -150.5 MB). Peak memory consumption was 132.1 MB. Max. memory is 7.1 GB. [2020-09-24 18:30:35,414 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:30:35,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.72 ms. Allocated memory is still 140.0 MB. Free memory was 102.4 MB in the beginning and 89.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-24 18:30:35,422 INFO L168 Benchmark]: Boogie Preprocessor took 127.16 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 89.8 MB in the beginning and 180.2 MB in the end (delta: -90.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-24 18:30:35,422 INFO L168 Benchmark]: RCFGBuilder took 677.43 ms. Allocated memory is still 202.9 MB. Free memory was 180.2 MB in the beginning and 144.9 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:30:35,425 INFO L168 Benchmark]: TraceAbstraction took 29960.10 ms. Allocated memory was 202.9 MB in the beginning and 422.6 MB in the end (delta: 219.7 MB). Free memory was 144.2 MB in the beginning and 253.7 MB in the end (delta: -109.5 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2020-09-24 18:30:35,431 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 387.72 ms. Allocated memory is still 140.0 MB. Free memory was 102.4 MB in the beginning and 89.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.16 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 89.8 MB in the beginning and 180.2 MB in the end (delta: -90.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 677.43 ms. Allocated memory is still 202.9 MB. Free memory was 180.2 MB in the beginning and 144.9 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29960.10 ms. Allocated memory was 202.9 MB in the beginning and 422.6 MB in the end (delta: 219.7 MB). Free memory was 144.2 MB in the beginning and 253.7 MB in the end (delta: -109.5 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 337]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 153]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 296]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 223]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 308]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 277]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 235]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 141]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 125]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((1 <= main__t && 1 <= __tmp_2) && main__t <= main__tagbuf_len) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((main__t + 1 <= main__tagbuf_len && 1 <= main__t) && 1 <= __tmp_2) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((main__t + 1 <= main__tagbuf_len && __VERIFIER_assert__cond == 1) && __tmp_14 == 1) || ((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_18) && !(__VERIFIER_assert__cond == 0))) && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 214 locations, 17 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.1s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2760 SDtfs, 4613 SDslu, 5490 SDs, 0 SdLazy, 6384 SolverSat, 172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=0, 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, 17 MinimizatonAttempts, 678 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 114 HoareAnnotationTreeSize, 9 FomulaSimplifications, 13720 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2664 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 851 NumberOfCodeBlocks, 851 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 120122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...