/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 SequenceOfStatements --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:42:04,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:42:04,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:42:04,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:42:04,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:42:04,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:42:04,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:42:04,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:42:04,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:42:04,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:42:04,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:42:04,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:42:04,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:42:04,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:42:04,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:42:04,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:42:04,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:42:04,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:42:04,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:42:04,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:42:04,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:42:04,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:42:04,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:42:04,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:42:04,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:42:04,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:42:04,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:42:04,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:42:04,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:42:04,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:42:04,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:42:04,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:42:04,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:42:04,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:42:04,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:42:04,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:42:04,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:42:04,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:42:04,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:42:04,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:42:04,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:42:04,793 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 [2020-10-14 00:42:04,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:42:04,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:42:04,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:42:04,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:42:04,834 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:42:04,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:42:04,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:42:04,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:42:04,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:42:04,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:42:04,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:42:04,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:42:04,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:42:04,837 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:42:04,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:42:04,838 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:42:04,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:42:04,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:42:04,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:42:04,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:42:04,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:42:04,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:42:04,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:42:04,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:42:04,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:42:04,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:42:04,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:42:04,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:42:04,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:42:04,841 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 -> SequenceOfStatements 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:42:05,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:42:05,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:42:05,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:42:05,175 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:42:05,176 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:42:05,176 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10.c [2020-10-14 00:42:05,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f37fc26a/237f077961f3486986ad3bb2a21accfd/FLAGc806f6c7c [2020-10-14 00:42:05,886 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:42:05,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label10.c [2020-10-14 00:42:05,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f37fc26a/237f077961f3486986ad3bb2a21accfd/FLAGc806f6c7c [2020-10-14 00:42:06,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f37fc26a/237f077961f3486986ad3bb2a21accfd [2020-10-14 00:42:06,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:42:06,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:42:06,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:42:06,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:42:06,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:42:06,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:06,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6317371b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06, skipping insertion in model container [2020-10-14 00:42:06,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:06,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:42:06,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:42:06,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:42:06,693 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:42:06,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:42:06,848 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:42:06,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06 WrapperNode [2020-10-14 00:42:06,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:42:06,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:42:06,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:42:06,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:42:06,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:06,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:06,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:06,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:06,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:07,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:07,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (1/1) ... [2020-10-14 00:42:07,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:42:07,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:42:07,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:42:07,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:42:07,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (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 [2020-10-14 00:42:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:42:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:42:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:42:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:42:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:42:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:42:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:42:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:42:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:42:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:42:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:42:08,478 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:42:08,479 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:42:08,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:42:08 BoogieIcfgContainer [2020-10-14 00:42:08,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:42:08,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:42:08,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:42:08,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:42:08,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:42:06" (1/3) ... [2020-10-14 00:42:08,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6bcac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:42:08, skipping insertion in model container [2020-10-14 00:42:08,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:06" (2/3) ... [2020-10-14 00:42:08,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6bcac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:42:08, skipping insertion in model container [2020-10-14 00:42:08,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:42:08" (3/3) ... [2020-10-14 00:42:08,494 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label10.c [2020-10-14 00:42:08,505 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:42:08,513 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:42:08,529 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:42:08,556 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:42:08,556 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:42:08,557 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:42:08,557 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:42:08,557 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:42:08,557 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:42:08,557 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:42:08,558 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:42:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 00:42:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 00:42:08,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:42:08,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:42:08,600 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:42:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:42:08,607 INFO L82 PathProgramCache]: Analyzing trace with hash 262180542, now seen corresponding path program 1 times [2020-10-14 00:42:08,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:42:08,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395609827] [2020-10-14 00:42:08,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:42:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:09,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:09,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:10,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:10,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 00:42:10,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:42:10,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1419 [2020-10-14 00:42:10,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:10,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:42:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:42:10,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 00:42:10,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:42:10,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:42:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:10,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:10,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:10,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:42:10,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:42:10,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:10,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:42:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:42:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:42:10,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395609827] [2020-10-14 00:42:10,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:42:10,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 00:42:10,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94507011] [2020-10-14 00:42:10,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:42:10,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:42:10,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:42:10,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:42:10,655 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-10-14 00:42:13,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:42:13,067 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-10-14 00:42:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:42:13,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-14 00:42:13,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:42:13,105 INFO L225 Difference]: With dead ends: 698 [2020-10-14 00:42:13,105 INFO L226 Difference]: Without dead ends: 423 [2020-10-14 00:42:13,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:42:13,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-10-14 00:42:13,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-10-14 00:42:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-14 00:42:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2020-10-14 00:42:13,226 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 116 [2020-10-14 00:42:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:42:13,228 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2020-10-14 00:42:13,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:42:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2020-10-14 00:42:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 00:42:13,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:42:13,234 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:42:13,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:42:13,235 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:42:13,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:42:13,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1657089323, now seen corresponding path program 1 times [2020-10-14 00:42:13,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:42:13,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074192938] [2020-10-14 00:42:13,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:42:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:13,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:13,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:14,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:14,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:14,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:14,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 00:42:14,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:42:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1677 [2020-10-14 00:42:14,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:14,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:42:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 00:42:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 00:42:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:15,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:42:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:15,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:15,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:15,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:42:15,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:15,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:42:15,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:15,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:42:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:42:15,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:15,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:42:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:15,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:15,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:15,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:42:15,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:15,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:42:15,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:15,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:42:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 00:42:15,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:42:15,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074192938] [2020-10-14 00:42:15,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:42:15,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:42:15,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776793871] [2020-10-14 00:42:15,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:42:15,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:42:15,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:42:15,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:42:15,144 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 5 states. [2020-10-14 00:42:16,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:42:16,344 INFO L93 Difference]: Finished difference Result 1245 states and 1784 transitions. [2020-10-14 00:42:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:42:16,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-14 00:42:16,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:42:16,355 INFO L225 Difference]: With dead ends: 1245 [2020-10-14 00:42:16,356 INFO L226 Difference]: Without dead ends: 834 [2020-10-14 00:42:16,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:42:16,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-14 00:42:16,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 693. [2020-10-14 00:42:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-14 00:42:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 937 transitions. [2020-10-14 00:42:16,421 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 937 transitions. Word has length 126 [2020-10-14 00:42:16,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:42:16,422 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 937 transitions. [2020-10-14 00:42:16,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:42:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 937 transitions. [2020-10-14 00:42:16,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-14 00:42:16,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:42:16,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:42:16,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:42:16,432 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:42:16,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:42:16,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1783497359, now seen corresponding path program 1 times [2020-10-14 00:42:16,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:42:16,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371910323] [2020-10-14 00:42:16,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:42:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:16,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:16,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:16,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:21,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:21,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 00:42:21,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:42:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4539 [2020-10-14 00:42:21,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:21,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:42:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 00:42:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 00:42:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:21,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:42:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:21,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:21,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:21,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:42:21,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:21,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:42:21,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:21,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:42:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:42:21,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:21,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:42:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:21,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:21,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:21,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 00:42:21,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:21,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:42:21,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:21,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:21,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:42:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:42:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:42:21,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371910323] [2020-10-14 00:42:21,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:42:21,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:42:21,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664673141] [2020-10-14 00:42:21,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:42:21,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:42:21,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:42:21,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:42:21,223 INFO L87 Difference]: Start difference. First operand 693 states and 937 transitions. Second operand 5 states. [2020-10-14 00:42:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:42:22,402 INFO L93 Difference]: Finished difference Result 1658 states and 2275 transitions. [2020-10-14 00:42:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:42:22,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-14 00:42:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:42:22,411 INFO L225 Difference]: With dead ends: 1658 [2020-10-14 00:42:22,411 INFO L226 Difference]: Without dead ends: 971 [2020-10-14 00:42:22,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:42:22,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2020-10-14 00:42:22,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 967. [2020-10-14 00:42:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2020-10-14 00:42:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1266 transitions. [2020-10-14 00:42:22,455 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1266 transitions. Word has length 131 [2020-10-14 00:42:22,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:42:22,456 INFO L479 AbstractCegarLoop]: Abstraction has 967 states and 1266 transitions. [2020-10-14 00:42:22,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:42:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1266 transitions. [2020-10-14 00:42:22,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 00:42:22,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:42:22,463 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:42:22,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:42:22,463 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:42:22,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:42:22,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1394209672, now seen corresponding path program 1 times [2020-10-14 00:42:22,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:42:22,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421839170] [2020-10-14 00:42:22,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:42:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:22,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:22,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:22,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:27,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:27,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 00:42:27,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:42:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 00:42:27,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:27,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:42:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 00:42:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 00:42:27,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:27,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:42:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:27,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:27,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:27,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:42:27,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:27,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:42:27,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:27,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:27,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:42:27,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:27,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:42:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:27,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:42:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:27,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:27,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:27,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:42:27,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:27,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:42:27,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:27,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:42:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 00:42:27,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:27,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 00:42:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:27,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:27,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:27,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 00:42:27,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:27,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 00:42:27,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:27,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:42:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:42:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 00:42:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:42:27,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421839170] [2020-10-14 00:42:27,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:42:27,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:42:27,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681170647] [2020-10-14 00:42:27,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:42:27,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:42:27,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:42:27,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:42:27,757 INFO L87 Difference]: Start difference. First operand 967 states and 1266 transitions. Second operand 7 states. [2020-10-14 00:42:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:42:28,850 INFO L93 Difference]: Finished difference Result 1940 states and 2552 transitions. [2020-10-14 00:42:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:42:28,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 149 [2020-10-14 00:42:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:42:28,857 INFO L225 Difference]: With dead ends: 1940 [2020-10-14 00:42:28,858 INFO L226 Difference]: Without dead ends: 979 [2020-10-14 00:42:28,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 00:42:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2020-10-14 00:42:28,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 838. [2020-10-14 00:42:28,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-14 00:42:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1072 transitions. [2020-10-14 00:42:28,900 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1072 transitions. Word has length 149 [2020-10-14 00:42:28,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:42:28,900 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 1072 transitions. [2020-10-14 00:42:28,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:42:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1072 transitions. [2020-10-14 00:42:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 00:42:28,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:42:28,906 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:42:28,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:42:28,906 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:42:28,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:42:28,907 INFO L82 PathProgramCache]: Analyzing trace with hash 341251178, now seen corresponding path program 1 times [2020-10-14 00:42:28,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:42:28,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142344707] [2020-10-14 00:42:28,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:42:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:29,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:29,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:30,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:33,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:33,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 00:42:33,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:42:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4076 [2020-10-14 00:42:33,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:33,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:42:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-14 00:42:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 00:42:33,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:33,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:42:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:33,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:33,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:33,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:42:33,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:33,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:42:33,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:33,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:33,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:42:33,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:33,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:42:33,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:33,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:42:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:33,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:33,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:33,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 00:42:33,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:33,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:42:33,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:33,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:42:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:42:33,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:33,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 00:42:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:42:33,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:42:33,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:42:33,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 00:42:33,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:42:33,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 00:42:33,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:42:33,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:42:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:42:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:42:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 00:42:33,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:42:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 00:42:33,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142344707] [2020-10-14 00:42:33,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:42:33,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:42:33,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066015449] [2020-10-14 00:42:33,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:42:33,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:42:33,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:42:33,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:42:33,434 INFO L87 Difference]: Start difference. First operand 838 states and 1072 transitions. Second operand 5 states. [2020-10-14 00:42:34,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:42:34,654 INFO L93 Difference]: Finished difference Result 1253 states and 1634 transitions. [2020-10-14 00:42:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:42:34,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 203 [2020-10-14 00:42:34,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:42:34,658 INFO L225 Difference]: With dead ends: 1253 [2020-10-14 00:42:34,658 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:42:34,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:42:34,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:42:34,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:42:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:42:34,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:42:34,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2020-10-14 00:42:34,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:42:34,663 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:42:34,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:42:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:42:34,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:42:34,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:42:34,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:42:35,232 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2020-10-14 00:42:35,370 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:42:35,371 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:42:35,371 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:42:35,371 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-14 00:42:35,371 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-14 00:42:35,371 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,372 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,372 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,372 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,372 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,372 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,372 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-14 00:42:35,372 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-14 00:42:35,372 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-14 00:42:35,373 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 00:42:35,373 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 00:42:35,373 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 00:42:35,373 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-14 00:42:35,373 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 00:42:35,373 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-14 00:42:35,373 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-14 00:42:35,374 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,374 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,374 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,374 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,374 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,374 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,374 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-14 00:42:35,374 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-14 00:42:35,375 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-14 00:42:35,375 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-14 00:42:35,375 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-14 00:42:35,375 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 00:42:35,375 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-14 00:42:35,375 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 00:42:35,375 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-14 00:42:35,375 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-14 00:42:35,376 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-14 00:42:35,376 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2020-10-14 00:42:35,376 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-14 00:42:35,376 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-14 00:42:35,376 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-14 00:42:35,376 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-14 00:42:35,376 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,377 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,377 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,377 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,377 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,377 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-14 00:42:35,377 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-14 00:42:35,377 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-14 00:42:35,377 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 00:42:35,378 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-14 00:42:35,378 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 00:42:35,378 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 00:42:35,378 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 00:42:35,378 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-14 00:42:35,378 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,378 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,378 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,379 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,379 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,379 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-14 00:42:35,379 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 00:42:35,379 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-14 00:42:35,379 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 00:42:35,379 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 00:42:35,379 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,380 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,381 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,381 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,381 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,381 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-14 00:42:35,381 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-14 00:42:35,381 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-14 00:42:35,381 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 00:42:35,381 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-14 00:42:35,382 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 00:42:35,382 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-14 00:42:35,382 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-14 00:42:35,382 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-14 00:42:35,382 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,382 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,382 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,382 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 00:42:35,383 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-14 00:42:35,384 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,385 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,385 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,385 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,385 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,385 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-14 00:42:35,385 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 00:42:35,385 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 00:42:35,385 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 00:42:35,386 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-14 00:42:35,386 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-14 00:42:35,386 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-14 00:42:35,386 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-14 00:42:35,386 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,386 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,386 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,386 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,387 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,387 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-14 00:42:35,387 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-14 00:42:35,387 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-14 00:42:35,387 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-14 00:42:35,387 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-14 00:42:35,387 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-14 00:42:35,388 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 00:42:35,388 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 00:42:35,388 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-14 00:42:35,388 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-14 00:42:35,388 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse7 (= ~a8~0 |old(~a8~0)|))) (let ((.cse2 (= |old(~a7~0)| |old(~a21~0)|)) (.cse0 (and .cse3 .cse4 (= ~a21~0 |old(~a21~0)|) .cse5 .cse6 .cse7)) (.cse1 (not (= |old(~a21~0)| 1)))) (and (or (= |old(~a8~0)| 13) .cse0 .cse1) (or .cse0 (not (<= |old(~a16~0)| 4)) .cse1) (or .cse2 (not (= 0 |old(~a21~0)|)) (and .cse3 .cse4 .cse5 .cse6 .cse7 (= ~a21~0 0))) (or .cse2 .cse0 .cse1)))) [2020-10-14 00:42:35,388 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-14 00:42:35,388 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-14 00:42:35,389 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,390 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-14 00:42:35,391 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-14 00:42:35,392 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-14 00:42:35,393 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,393 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,393 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,393 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,393 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,393 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:42:35,393 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-14 00:42:35,393 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-14 00:42:35,394 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:42:35,395 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (not (= ~a21~0 ~a7~0)) (<= 15 ~a8~0)) [2020-10-14 00:42:35,395 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:42:35,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:42:35,395 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a21~0)| 1))) [2020-10-14 00:42:35,395 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-14 00:42:35,395 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse1 (not (= ~a21~0 ~a7~0)))) (or (= |old(~a7~0)| |old(~a21~0)|) (and .cse0 (<= ~a16~0 4)) (not (<= 15 |old(~a8~0)|)) (and .cse0 (not (= ~a8~0 13))) (and .cse0 .cse1) (not (= |old(~a21~0)| 1)) (and .cse1 (= ~a21~0 0)))) [2020-10-14 00:42:35,395 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-14 00:42:35,396 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 00:42:35,396 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse1 (not (= ~a21~0 ~a7~0)))) (or (= |old(~a7~0)| |old(~a21~0)|) (and .cse0 (<= ~a16~0 4)) (not (<= 15 |old(~a8~0)|)) (and .cse0 (not (= ~a8~0 13))) (and .cse0 .cse1) (not (= |old(~a21~0)| 1)) (and .cse1 (= ~a21~0 0)))) [2020-10-14 00:42:35,396 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-14 00:42:35,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:42:35 BoogieIcfgContainer [2020-10-14 00:42:35,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:42:35,423 INFO L168 Benchmark]: Toolchain (without parser) took 29317.54 ms. Allocated memory was 148.9 MB in the beginning and 668.5 MB in the end (delta: 519.6 MB). Free memory was 102.4 MB in the beginning and 205.6 MB in the end (delta: -103.2 MB). Peak memory consumption was 416.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:42:35,425 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 00:42:35,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.00 ms. Allocated memory was 148.9 MB in the beginning and 207.6 MB in the end (delta: 58.7 MB). Free memory was 102.2 MB in the beginning and 171.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:42:35,433 INFO L168 Benchmark]: Boogie Preprocessor took 179.78 ms. Allocated memory is still 207.6 MB. Free memory was 171.4 MB in the beginning and 166.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-10-14 00:42:35,434 INFO L168 Benchmark]: RCFGBuilder took 1453.77 ms. Allocated memory was 207.6 MB in the beginning and 235.4 MB in the end (delta: 27.8 MB). Free memory was 166.0 MB in the beginning and 170.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:42:35,435 INFO L168 Benchmark]: TraceAbstraction took 26934.07 ms. Allocated memory was 235.4 MB in the beginning and 668.5 MB in the end (delta: 433.1 MB). Free memory was 170.7 MB in the beginning and 205.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 398.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:42:35,446 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 745.00 ms. Allocated memory was 148.9 MB in the beginning and 207.6 MB in the end (delta: 58.7 MB). Free memory was 102.2 MB in the beginning and 171.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 179.78 ms. Allocated memory is still 207.6 MB. Free memory was 171.4 MB in the beginning and 166.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1453.77 ms. Allocated memory was 207.6 MB in the beginning and 235.4 MB in the end (delta: 27.8 MB). Free memory was 166.0 MB in the beginning and 170.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26934.07 ms. Allocated memory was 235.4 MB in the beginning and 668.5 MB in the end (delta: 433.1 MB). Free memory was 170.7 MB in the beginning and 205.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 398.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((\old(a7) == \old(a21) || (a21 == 1 && a16 <= 4)) || !(15 <= \old(a8))) || (a21 == 1 && !(a8 == 13))) || (a21 == 1 && !(a21 == a7))) || !(\old(a21) == 1)) || (!(a21 == a7) && a21 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 123 SDtfs, 1596 SDslu, 119 SDs, 0 SdLazy, 3552 SolverSat, 521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=967occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 292 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 32 PreInvPairs, 52 NumberOfFragments, 297 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6622 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 689 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 720 ConstructedInterpolants, 0 QuantifiedInterpolants, 347192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 146/152 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...