/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:07:15,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:07:15,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:07:15,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:07:15,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:07:15,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:07:15,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:07:15,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:07:15,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:07:15,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:07:15,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:07:15,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:07:15,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:07:15,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:07:15,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:07:15,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:07:15,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:07:15,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:07:15,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:07:15,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:07:15,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:07:15,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:07:15,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:07:15,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:07:15,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:07:15,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:07:15,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:07:15,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:07:15,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:07:15,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:07:15,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:07:15,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:07:15,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:07:15,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:07:15,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:07:15,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:07:15,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:07:15,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:07:15,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:07:15,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:07:15,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:07:15,936 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 [2020-10-28 10:07:15,965 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:07:15,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:07:15,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:07:15,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:07:15,968 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:07:15,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:07:15,968 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:07:15,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:07:15,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:07:15,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:07:15,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:07:15,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:07:15,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:07:15,970 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:07:15,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:07:15,970 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:07:15,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:07:15,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:07:15,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:07:15,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:07:15,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:07:15,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:07:15,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:07:15,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:07:15,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:07:15,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:07:15,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:07:15,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:07:15,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:07:15,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:07:16,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:07:16,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:07:16,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:07:16,487 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:07:16,488 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:07:16,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2020-10-28 10:07:16,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87fc24a06/5248000660ec4a3db954a793599b2215/FLAG1b2450190 [2020-10-28 10:07:17,336 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:07:17,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2020-10-28 10:07:17,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87fc24a06/5248000660ec4a3db954a793599b2215/FLAG1b2450190 [2020-10-28 10:07:17,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87fc24a06/5248000660ec4a3db954a793599b2215 [2020-10-28 10:07:17,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:07:17,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:07:17,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:07:17,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:07:17,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:07:17,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:07:17" (1/1) ... [2020-10-28 10:07:17,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62043c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:17, skipping insertion in model container [2020-10-28 10:07:17,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:07:17" (1/1) ... [2020-10-28 10:07:17,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:07:17,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:07:18,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:07:18,182 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:07:18,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:07:18,405 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:07:18,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18 WrapperNode [2020-10-28 10:07:18,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:07:18,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:07:18,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:07:18,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:07:18,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (1/1) ... [2020-10-28 10:07:18,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:07:18,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:07:18,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:07:18,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:07:18,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (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 [2020-10-28 10:07:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:07:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:07:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:07:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:07:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:07:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:07:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:07:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:07:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:07:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:07:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:07:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:07:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:07:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:07:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:07:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:07:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:07:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:07:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:07:20,193 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:07:20,194 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:07:20,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:07:20 BoogieIcfgContainer [2020-10-28 10:07:20,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:07:20,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:07:20,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:07:20,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:07:20,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:07:17" (1/3) ... [2020-10-28 10:07:20,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@864afcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:07:20, skipping insertion in model container [2020-10-28 10:07:20,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:07:18" (2/3) ... [2020-10-28 10:07:20,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@864afcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:07:20, skipping insertion in model container [2020-10-28 10:07:20,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:07:20" (3/3) ... [2020-10-28 10:07:20,205 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label27.c [2020-10-28 10:07:20,218 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:07:20,224 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:07:20,238 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:07:20,269 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:07:20,291 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:07:20,291 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:07:20,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:07:20,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:07:20,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:07:20,292 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:07:20,292 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:07:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:07:20,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 10:07:20,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:20,338 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] [2020-10-28 10:07:20,338 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:20,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:20,345 INFO L82 PathProgramCache]: Analyzing trace with hash 2005498771, now seen corresponding path program 1 times [2020-10-28 10:07:20,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:20,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862399474] [2020-10-28 10:07:20,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:20,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:20,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:22,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:22,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 10:07:22,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2274 [2020-10-28 10:07:22,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:22,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:07:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:07:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 10:07:22,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:07:23,197 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:07:23,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:23,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:23,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:23,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:23,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 10:07:23,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:23,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:07:23,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:23,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862399474] [2020-10-28 10:07:23,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:07:23,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:07:23,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706651415] [2020-10-28 10:07:23,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:07:23,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:23,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:07:23,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:07:23,340 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:07:23,573 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:25,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:25,323 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-28 10:07:25,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:25,326 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-10-28 10:07:25,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:25,354 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:07:25,355 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:07:25,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:25,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:07:25,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-28 10:07:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-28 10:07:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 397 transitions. [2020-10-28 10:07:25,447 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 397 transitions. Word has length 95 [2020-10-28 10:07:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:25,449 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 397 transitions. [2020-10-28 10:07:25,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:07:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 397 transitions. [2020-10-28 10:07:25,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 10:07:25,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:25,455 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:07:25,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:07:25,456 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:25,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:25,457 INFO L82 PathProgramCache]: Analyzing trace with hash -2081064686, now seen corresponding path program 1 times [2020-10-28 10:07:25,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:25,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434084571] [2020-10-28 10:07:25,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:25,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:27,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 10:07:29,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:29,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3640 [2020-10-28 10:07:29,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:07:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 10:07:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:29,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:29,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 10:07:29,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:29,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:29,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:29,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:29,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:07:29,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:29,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:07:29,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:29,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:29,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:29,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:29,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:07:29,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:29,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434084571] [2020-10-28 10:07:29,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:29,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:29,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461814953] [2020-10-28 10:07:29,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:29,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:29,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:29,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:29,419 INFO L87 Difference]: Start difference. First operand 281 states and 397 transitions. Second operand 5 states. [2020-10-28 10:07:31,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:31,345 INFO L93 Difference]: Finished difference Result 836 states and 1204 transitions. [2020-10-28 10:07:31,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:31,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-28 10:07:31,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:31,357 INFO L225 Difference]: With dead ends: 836 [2020-10-28 10:07:31,357 INFO L226 Difference]: Without dead ends: 561 [2020-10-28 10:07:31,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:31,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-28 10:07:31,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 420. [2020-10-28 10:07:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-28 10:07:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 577 transitions. [2020-10-28 10:07:31,404 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 577 transitions. Word has length 104 [2020-10-28 10:07:31,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:31,405 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 577 transitions. [2020-10-28 10:07:31,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 577 transitions. [2020-10-28 10:07:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-28 10:07:31,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:31,411 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:07:31,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:07:31,411 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:31,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:31,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1463547042, now seen corresponding path program 1 times [2020-10-28 10:07:31,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:31,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56266899] [2020-10-28 10:07:31,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:31,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:31,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:32,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:32,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 10:07:32,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:32,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1415 [2020-10-28 10:07:32,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:32,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 10:07:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 10:07:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:07:33,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:33,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:33,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:33,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:33,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:33,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:07:33,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:33,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:33,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:33,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:33,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:33,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:33,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 10:07:33,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 10:07:33,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:33,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 10:07:33,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:33,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:33,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56266899] [2020-10-28 10:07:33,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:33,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:07:33,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468464257] [2020-10-28 10:07:33,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:07:33,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:33,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:07:33,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:33,145 INFO L87 Difference]: Start difference. First operand 420 states and 577 transitions. Second operand 6 states. [2020-10-28 10:07:33,503 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:35,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:35,671 INFO L93 Difference]: Finished difference Result 1112 states and 1570 transitions. [2020-10-28 10:07:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:07:35,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2020-10-28 10:07:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:35,683 INFO L225 Difference]: With dead ends: 1112 [2020-10-28 10:07:35,683 INFO L226 Difference]: Without dead ends: 698 [2020-10-28 10:07:35,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:07:35,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2020-10-28 10:07:35,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 694. [2020-10-28 10:07:35,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-28 10:07:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 925 transitions. [2020-10-28 10:07:35,757 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 925 transitions. Word has length 112 [2020-10-28 10:07:35,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:35,758 INFO L481 AbstractCegarLoop]: Abstraction has 694 states and 925 transitions. [2020-10-28 10:07:35,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:07:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 925 transitions. [2020-10-28 10:07:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-28 10:07:35,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:35,766 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:07:35,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:07:35,767 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:35,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:35,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2092336781, now seen corresponding path program 1 times [2020-10-28 10:07:35,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:35,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291022266] [2020-10-28 10:07:35,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:35,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:35,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:36,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:36,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:37,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:37,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 10:07:37,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:07:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1720 [2020-10-28 10:07:37,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:37,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 10:07:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 10:07:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:37,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:37,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:37,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:37,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:37,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:37,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:07:37,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:37,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:37,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:37,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:37,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:37,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:37,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:07:37,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:37,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 10:07:37,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:37,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:37,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:37,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:37,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 10:07:37,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:07:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:37,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291022266] [2020-10-28 10:07:37,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:37,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:37,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826708687] [2020-10-28 10:07:37,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:37,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:37,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:37,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:37,784 INFO L87 Difference]: Start difference. First operand 694 states and 925 transitions. Second operand 5 states. [2020-10-28 10:07:39,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:39,316 INFO L93 Difference]: Finished difference Result 2071 states and 2847 transitions. [2020-10-28 10:07:39,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:39,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-10-28 10:07:39,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:39,327 INFO L225 Difference]: With dead ends: 2071 [2020-10-28 10:07:39,327 INFO L226 Difference]: Without dead ends: 1383 [2020-10-28 10:07:39,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:39,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2020-10-28 10:07:39,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1379. [2020-10-28 10:07:39,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1379 states. [2020-10-28 10:07:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1783 transitions. [2020-10-28 10:07:39,395 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1783 transitions. Word has length 115 [2020-10-28 10:07:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:39,395 INFO L481 AbstractCegarLoop]: Abstraction has 1379 states and 1783 transitions. [2020-10-28 10:07:39,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1783 transitions. [2020-10-28 10:07:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-28 10:07:39,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:39,405 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:39,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:07:39,405 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:39,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:39,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1280586231, now seen corresponding path program 1 times [2020-10-28 10:07:39,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:39,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945837966] [2020-10-28 10:07:39,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:39,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:39,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:39,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:40,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:40,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 10:07:40,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:07:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1272 [2020-10-28 10:07:40,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:40,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:07:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 10:07:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 10:07:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:40,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:40,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:40,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:40,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:40,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:07:40,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:40,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:40,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:40,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 10:07:40,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:40,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 10:07:40,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:40,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 10:07:40,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:07:41,007 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:07:41,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945837966] [2020-10-28 10:07:41,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:41,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:41,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181513335] [2020-10-28 10:07:41,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:41,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:41,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:41,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:41,016 INFO L87 Difference]: Start difference. First operand 1379 states and 1783 transitions. Second operand 5 states. [2020-10-28 10:07:41,274 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:07:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:42,634 INFO L93 Difference]: Finished difference Result 3846 states and 5074 transitions. [2020-10-28 10:07:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:42,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-28 10:07:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:42,651 INFO L225 Difference]: With dead ends: 3846 [2020-10-28 10:07:42,651 INFO L226 Difference]: Without dead ends: 2473 [2020-10-28 10:07:42,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:42,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2020-10-28 10:07:42,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 1796. [2020-10-28 10:07:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1796 states. [2020-10-28 10:07:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2314 transitions. [2020-10-28 10:07:42,751 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2314 transitions. Word has length 129 [2020-10-28 10:07:42,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:42,752 INFO L481 AbstractCegarLoop]: Abstraction has 1796 states and 2314 transitions. [2020-10-28 10:07:42,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:42,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2314 transitions. [2020-10-28 10:07:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 10:07:42,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:07:42,758 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:07:42,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:07:42,758 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:07:42,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:07:42,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1884148785, now seen corresponding path program 1 times [2020-10-28 10:07:42,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:07:42,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562073291] [2020-10-28 10:07:42,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:07:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:42,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:42,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:44,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:44,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:46,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 10:07:46,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:07:46,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3738 [2020-10-28 10:07:46,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:46,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:46,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:07:46,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:07:46,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 10:07:46,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:07:46,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:07:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:46,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:46,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:07:46,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:46,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:07:46,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:46,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:46,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:07:46,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:46,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:07:46,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:07:46,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:07:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:46,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:46,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:07:46,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:07:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:07:46,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:46,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:07:46,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 26 [2020-10-28 10:07:46,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:07:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:07:46,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:07:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:07:46,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 10:07:46,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:07:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 10:07:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:07:46,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:07:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:07:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:07:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 10:07:46,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:07:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 10:07:46,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562073291] [2020-10-28 10:07:46,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:07:46,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:07:46,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305080776] [2020-10-28 10:07:46,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:07:46,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:07:46,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:07:46,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:07:46,970 INFO L87 Difference]: Start difference. First operand 1796 states and 2314 transitions. Second operand 5 states. [2020-10-28 10:07:48,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:07:48,598 INFO L93 Difference]: Finished difference Result 4133 states and 5338 transitions. [2020-10-28 10:07:48,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:07:48,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-28 10:07:48,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:07:48,600 INFO L225 Difference]: With dead ends: 4133 [2020-10-28 10:07:48,600 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:07:48,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:07:48,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:07:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:07:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:07:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:07:48,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2020-10-28 10:07:48,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:07:48,610 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:07:48,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:07:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:07:48,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:07:48,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:07:48,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:07:49,337 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 26 [2020-10-28 10:07:49,926 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 30 [2020-10-28 10:07:50,054 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:07:50,174 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:07:50,174 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:07:50,174 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:07:50,175 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:07:50,175 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:07:50,175 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:07:50,175 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:07:50,175 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:07:50,176 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:07:50,177 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:07:50,178 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,179 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:07:50,180 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,181 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:07:50,182 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L270 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (and (not (= |old(~a17~0)| |old(~a20~0)|)) (not (<= |old(~a8~0)| 14)) (= |old(~a7~0)| 1)) [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L442-1(line 442) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,183 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:07:50,184 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:07:50,185 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:07:50,186 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:07:50,187 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,188 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:07:50,189 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:07:50,190 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,190 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,190 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse0 (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)))) (and (or (not (<= |old(~a8~0)| 14)) .cse0) (or .cse0 (= |old(~a7~0)| 1)) (or (not (= |old(~a17~0)| |old(~a20~0)|)) .cse0))) [2020-10-28 10:07:50,190 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,190 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,190 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,190 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:07:50,190 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:07:50,190 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:07:50,191 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:07:50,191 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:07:50,191 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:07:50,191 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:07:50,191 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:07:50,191 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:07:50,191 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:07:50,191 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:07:50,192 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:07:50,193 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:07:50,194 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:07:50,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:07:50,196 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a20~0 ~a17~0) (not (= ~a7~0 1)) (= ~a17~0 1)) [2020-10-28 10:07:50,196 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:07:50,196 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:07:50,196 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (= |old(~a17~0)| |old(~a20~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (= |old(~a7~0)| 1)) [2020-10-28 10:07:50,196 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:07:50,196 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (<= ~a8~0 14) (= ~a20~0 ~a17~0) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (= ~a7~0 1)) (= |old(~a7~0)| 1)) [2020-10-28 10:07:50,196 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:07:50,196 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:07:50,197 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (<= ~a8~0 14) (= ~a20~0 ~a17~0) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (= ~a7~0 1)) (= |old(~a7~0)| 1)) [2020-10-28 10:07:50,197 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:07:50,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:07:50 BoogieIcfgContainer [2020-10-28 10:07:50,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:07:50,221 INFO L168 Benchmark]: Toolchain (without parser) took 32618.81 ms. Allocated memory was 152.0 MB in the beginning and 600.8 MB in the end (delta: 448.8 MB). Free memory was 126.0 MB in the beginning and 415.2 MB in the end (delta: -289.2 MB). Peak memory consumption was 357.1 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:50,222 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 152.0 MB. Free memory was 128.6 MB in the beginning and 128.3 MB in the end (delta: 253.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:50,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.06 ms. Allocated memory is still 152.0 MB. Free memory was 125.5 MB in the beginning and 98.8 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:50,224 INFO L168 Benchmark]: Boogie Preprocessor took 138.15 ms. Allocated memory is still 152.0 MB. Free memory was 98.8 MB in the beginning and 94.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:50,224 INFO L168 Benchmark]: RCFGBuilder took 1647.51 ms. Allocated memory is still 152.0 MB. Free memory was 93.7 MB in the beginning and 60.5 MB in the end (delta: 33.2 MB). Peak memory consumption was 38.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:50,225 INFO L168 Benchmark]: TraceAbstraction took 30020.89 ms. Allocated memory was 152.0 MB in the beginning and 600.8 MB in the end (delta: 448.8 MB). Free memory was 59.9 MB in the beginning and 415.2 MB in the end (delta: -355.3 MB). Peak memory consumption was 290.1 MB. Max. memory is 8.0 GB. [2020-10-28 10:07:50,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 152.0 MB. Free memory was 128.6 MB in the beginning and 128.3 MB in the end (delta: 253.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 792.06 ms. Allocated memory is still 152.0 MB. Free memory was 125.5 MB in the beginning and 98.8 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 138.15 ms. Allocated memory is still 152.0 MB. Free memory was 98.8 MB in the beginning and 94.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1647.51 ms. Allocated memory is still 152.0 MB. Free memory was 93.7 MB in the beginning and 60.5 MB in the end (delta: 33.2 MB). Peak memory consumption was 38.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30020.89 ms. Allocated memory was 152.0 MB in the beginning and 600.8 MB in the end (delta: 448.8 MB). Free memory was 59.9 MB in the beginning and 415.2 MB in the end (delta: -355.3 MB). Peak memory consumption was 290.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 585]: Loop Invariant Derived loop invariant: ((((!(\old(a17) == 1) || a8 <= 14) || a20 == a17) || !(\old(a17) == \old(a20))) || !(a7 == 1)) || \old(a7) == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.3s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 162 SDtfs, 1939 SDslu, 128 SDs, 0 SdLazy, 4244 SolverSat, 529 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1796occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 832 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 114 PreInvPairs, 150 NumberOfFragments, 260 HoareAnnotationTreeSize, 114 FomulaSimplifications, 16630 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2714 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 694 NumberOfCodeBlocks, 694 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 688 ConstructedInterpolants, 0 QuantifiedInterpolants, 301922 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 108/114 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...