/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/bitvector/s3_srvr_2a_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 09:36:57,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 09:36:57,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 09:36:57,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 09:36:57,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 09:36:57,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 09:36:57,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 09:36:57,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 09:36:57,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 09:36:57,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 09:36:57,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 09:36:57,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 09:36:57,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 09:36:57,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 09:36:57,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 09:36:57,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 09:36:57,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 09:36:57,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 09:36:57,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 09:36:57,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 09:36:57,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 09:36:57,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 09:36:57,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 09:36:57,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 09:36:57,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 09:36:57,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 09:36:57,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 09:36:57,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 09:36:57,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 09:36:57,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 09:36:57,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 09:36:57,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 09:36:57,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 09:36:57,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 09:36:57,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 09:36:57,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 09:36:57,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 09:36:57,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 09:36:57,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 09:36:57,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 09:36:57,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 09:36:57,916 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 09:36:57,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 09:36:57,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 09:36:57,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 09:36:57,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 09:36:57,948 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 09:36:57,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 09:36:57,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 09:36:57,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 09:36:57,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 09:36:57,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 09:36:57,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 09:36:57,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 09:36:57,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 09:36:57,950 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 09:36:57,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 09:36:57,950 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 09:36:57,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 09:36:57,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 09:36:57,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 09:36:57,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 09:36:57,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 09:36:57,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 09:36:57,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 09:36:57,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 09:36:57,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 09:36:57,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 09:36:57,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 09:36:57,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 09:36:57,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 09:36:57,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 09:36:58,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 09:36:58,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 09:36:58,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 09:36:58,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 09:36:58,400 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 09:36:58,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-10-28 09:36:58,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e432586ab/d8ea3f56cfb943d6a7cb7b16bcdf30b2/FLAG7dc01831a [2020-10-28 09:36:59,155 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 09:36:59,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-10-28 09:36:59,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e432586ab/d8ea3f56cfb943d6a7cb7b16bcdf30b2/FLAG7dc01831a [2020-10-28 09:36:59,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e432586ab/d8ea3f56cfb943d6a7cb7b16bcdf30b2 [2020-10-28 09:36:59,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 09:36:59,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 09:36:59,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 09:36:59,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 09:36:59,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 09:36:59,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34da7b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59, skipping insertion in model container [2020-10-28 09:36:59,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 09:36:59,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 09:36:59,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:36:59,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 09:36:59,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:36:59,811 INFO L208 MainTranslator]: Completed translation [2020-10-28 09:36:59,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59 WrapperNode [2020-10-28 09:36:59,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 09:36:59,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 09:36:59,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 09:36:59,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 09:36:59,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (1/1) ... [2020-10-28 09:36:59,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 09:36:59,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 09:36:59,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 09:36:59,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 09:36:59,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (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 09:36:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 09:36:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 09:36:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 09:36:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-28 09:36:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 09:36:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 09:36:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 09:36:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 09:36:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 09:36:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 09:36:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 09:36:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 09:36:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-28 09:36:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 09:36:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 09:36:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 09:36:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 09:36:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 09:36:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 09:37:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 09:37:00,340 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 09:37:00,783 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-28 09:37:00,784 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-28 09:37:00,812 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 09:37:00,813 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 09:37:00,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:00 BoogieIcfgContainer [2020-10-28 09:37:00,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 09:37:00,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 09:37:00,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 09:37:00,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 09:37:00,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:36:59" (1/3) ... [2020-10-28 09:37:00,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27025c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:37:00, skipping insertion in model container [2020-10-28 09:37:00,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59" (2/3) ... [2020-10-28 09:37:00,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27025c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:37:00, skipping insertion in model container [2020-10-28 09:37:00,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:00" (3/3) ... [2020-10-28 09:37:00,824 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2020-10-28 09:37:00,834 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 09:37:00,839 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 09:37:00,853 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 09:37:00,882 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 09:37:00,882 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 09:37:00,883 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 09:37:00,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 09:37:00,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 09:37:00,883 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 09:37:00,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 09:37:00,883 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 09:37:00,906 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-28 09:37:00,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 09:37:00,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:00,917 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] [2020-10-28 09:37:00,918 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:00,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:00,924 INFO L82 PathProgramCache]: Analyzing trace with hash 2139538990, now seen corresponding path program 1 times [2020-10-28 09:37:00,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:00,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124943673] [2020-10-28 09:37:00,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:01,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:01,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:01,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:02,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:02,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 09:37:02,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:37:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1083 [2020-10-28 09:37:02,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:02,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 09:37:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 09:37:02,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 09:37:02,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:02,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:02,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:02,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:02,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 09:37:02,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:02,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:02,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:02,391 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 09:37:02,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124943673] [2020-10-28 09:37:02,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:02,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:02,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115110576] [2020-10-28 09:37:02,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:02,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:02,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:02,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:02,432 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-10-28 09:37:03,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:03,221 INFO L93 Difference]: Finished difference Result 399 states and 676 transitions. [2020-10-28 09:37:03,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:03,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-28 09:37:03,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:03,236 INFO L225 Difference]: With dead ends: 399 [2020-10-28 09:37:03,237 INFO L226 Difference]: Without dead ends: 225 [2020-10-28 09:37:03,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:03,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-28 09:37:03,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2020-10-28 09:37:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-28 09:37:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 338 transitions. [2020-10-28 09:37:03,314 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 338 transitions. Word has length 51 [2020-10-28 09:37:03,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:03,315 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 338 transitions. [2020-10-28 09:37:03,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 338 transitions. [2020-10-28 09:37:03,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 09:37:03,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:03,320 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 09:37:03,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 09:37:03,320 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:03,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:03,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1492737295, now seen corresponding path program 1 times [2020-10-28 09:37:03,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:03,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940493857] [2020-10-28 09:37:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:03,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:03,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 09:37:03,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:03,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-28 09:37:03,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:03,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:03,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:03,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 09:37:03,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 09:37:03,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:03,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:03,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:03,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:03,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:03,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 09:37:03,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:03,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:03,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:37:03,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940493857] [2020-10-28 09:37:03,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:03,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:03,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744396627] [2020-10-28 09:37:03,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:03,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:03,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:03,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:03,609 INFO L87 Difference]: Start difference. First operand 225 states and 338 transitions. Second operand 4 states. [2020-10-28 09:37:04,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:04,023 INFO L93 Difference]: Finished difference Result 436 states and 662 transitions. [2020-10-28 09:37:04,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:04,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-10-28 09:37:04,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:04,027 INFO L225 Difference]: With dead ends: 436 [2020-10-28 09:37:04,028 INFO L226 Difference]: Without dead ends: 329 [2020-10-28 09:37:04,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:04,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-28 09:37:04,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2020-10-28 09:37:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-10-28 09:37:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 496 transitions. [2020-10-28 09:37:04,071 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 496 transitions. Word has length 67 [2020-10-28 09:37:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:04,071 INFO L481 AbstractCegarLoop]: Abstraction has 329 states and 496 transitions. [2020-10-28 09:37:04,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 496 transitions. [2020-10-28 09:37:04,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 09:37:04,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:04,081 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:04,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 09:37:04,082 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:04,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:04,083 INFO L82 PathProgramCache]: Analyzing trace with hash -423864330, now seen corresponding path program 1 times [2020-10-28 09:37:04,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:04,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455434430] [2020-10-28 09:37:04,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:04,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:04,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:04,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:04,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 09:37:04,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:37:04,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-28 09:37:04,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:04,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:04,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:04,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 09:37:04,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 09:37:04,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:04,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:04,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:04,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:04,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:04,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:04,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:04,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:04,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:04,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:04,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:04,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-28 09:37:04,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455434430] [2020-10-28 09:37:04,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:04,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:04,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323353162] [2020-10-28 09:37:04,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:04,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:04,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:04,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:04,563 INFO L87 Difference]: Start difference. First operand 329 states and 496 transitions. Second operand 4 states. [2020-10-28 09:37:04,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:04,952 INFO L93 Difference]: Finished difference Result 644 states and 978 transitions. [2020-10-28 09:37:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:04,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2020-10-28 09:37:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:04,956 INFO L225 Difference]: With dead ends: 644 [2020-10-28 09:37:04,956 INFO L226 Difference]: Without dead ends: 433 [2020-10-28 09:37:04,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:04,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-28 09:37:04,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2020-10-28 09:37:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-10-28 09:37:04,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 655 transitions. [2020-10-28 09:37:04,988 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 655 transitions. Word has length 88 [2020-10-28 09:37:04,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:04,989 INFO L481 AbstractCegarLoop]: Abstraction has 433 states and 655 transitions. [2020-10-28 09:37:04,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:04,989 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 655 transitions. [2020-10-28 09:37:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-28 09:37:04,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:04,993 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:04,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 09:37:04,993 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:04,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:04,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1471882461, now seen corresponding path program 1 times [2020-10-28 09:37:04,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:04,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968137494] [2020-10-28 09:37:04,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:05,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:05,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:05,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 09:37:05,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:05,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 09:37:05,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:05,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-28 09:37:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 09:37:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:05,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:05,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:05,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:05,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:05,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:05,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 09:37:05,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:05,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:05,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:05,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-28 09:37:05,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968137494] [2020-10-28 09:37:05,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:05,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:05,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174293230] [2020-10-28 09:37:05,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:05,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:05,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:05,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:05,301 INFO L87 Difference]: Start difference. First operand 433 states and 655 transitions. Second operand 4 states. [2020-10-28 09:37:05,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:05,770 INFO L93 Difference]: Finished difference Result 540 states and 818 transitions. [2020-10-28 09:37:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:05,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2020-10-28 09:37:05,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:05,775 INFO L225 Difference]: With dead ends: 540 [2020-10-28 09:37:05,775 INFO L226 Difference]: Without dead ends: 537 [2020-10-28 09:37:05,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:05,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-10-28 09:37:05,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2020-10-28 09:37:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-10-28 09:37:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 815 transitions. [2020-10-28 09:37:05,810 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 815 transitions. Word has length 128 [2020-10-28 09:37:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:05,810 INFO L481 AbstractCegarLoop]: Abstraction has 537 states and 815 transitions. [2020-10-28 09:37:05,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 815 transitions. [2020-10-28 09:37:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-28 09:37:05,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:05,814 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2020-10-28 09:37:05,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 09:37:05,814 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:05,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:05,815 INFO L82 PathProgramCache]: Analyzing trace with hash -632992180, now seen corresponding path program 1 times [2020-10-28 09:37:05,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:05,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107561205] [2020-10-28 09:37:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:05,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:05,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:06,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:06,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:06,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 09:37:06,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:37:06,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-28 09:37:06,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:06,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 09:37:06,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 09:37:06,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:06,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:06,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:06,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:06,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:06,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-28 09:37:06,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107561205] [2020-10-28 09:37:06,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:06,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:06,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997902680] [2020-10-28 09:37:06,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:06,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:06,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:06,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:06,334 INFO L87 Difference]: Start difference. First operand 537 states and 815 transitions. Second operand 4 states. [2020-10-28 09:37:06,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:06,859 INFO L93 Difference]: Finished difference Result 1295 states and 2015 transitions. [2020-10-28 09:37:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:06,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2020-10-28 09:37:06,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:06,870 INFO L225 Difference]: With dead ends: 1295 [2020-10-28 09:37:06,870 INFO L226 Difference]: Without dead ends: 757 [2020-10-28 09:37:06,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:06,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-10-28 09:37:06,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 737. [2020-10-28 09:37:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-10-28 09:37:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1165 transitions. [2020-10-28 09:37:06,915 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1165 transitions. Word has length 150 [2020-10-28 09:37:06,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:06,916 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 1165 transitions. [2020-10-28 09:37:06,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1165 transitions. [2020-10-28 09:37:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 09:37:06,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:06,920 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 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] [2020-10-28 09:37:06,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 09:37:06,920 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:06,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:06,921 INFO L82 PathProgramCache]: Analyzing trace with hash -200096081, now seen corresponding path program 1 times [2020-10-28 09:37:06,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:06,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550521258] [2020-10-28 09:37:06,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:06,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:07,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:07,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:08,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:08,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 09:37:08,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 09:37:08,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1165 [2020-10-28 09:37:08,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:08,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-28 09:37:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 09:37:08,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:08,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:08,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:08,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:08,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:08,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:08,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:08,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 09:37:08,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550521258] [2020-10-28 09:37:08,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:08,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:08,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276971408] [2020-10-28 09:37:08,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:08,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:08,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:08,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:08,241 INFO L87 Difference]: Start difference. First operand 737 states and 1165 transitions. Second operand 4 states. [2020-10-28 09:37:08,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:08,900 INFO L93 Difference]: Finished difference Result 1675 states and 2692 transitions. [2020-10-28 09:37:08,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:08,901 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-28 09:37:08,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:08,908 INFO L225 Difference]: With dead ends: 1675 [2020-10-28 09:37:08,908 INFO L226 Difference]: Without dead ends: 952 [2020-10-28 09:37:08,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-10-28 09:37:08,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 942. [2020-10-28 09:37:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-10-28 09:37:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1395 transitions. [2020-10-28 09:37:08,958 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1395 transitions. Word has length 166 [2020-10-28 09:37:08,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:08,958 INFO L481 AbstractCegarLoop]: Abstraction has 942 states and 1395 transitions. [2020-10-28 09:37:08,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1395 transitions. [2020-10-28 09:37:08,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-28 09:37:08,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:08,966 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:08,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 09:37:08,966 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:08,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:08,967 INFO L82 PathProgramCache]: Analyzing trace with hash -121526843, now seen corresponding path program 1 times [2020-10-28 09:37:08,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:08,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727085750] [2020-10-28 09:37:08,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:09,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:09,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:09,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:09,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:10,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:10,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:10,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 09:37:10,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 09:37:10,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1861 [2020-10-28 09:37:10,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:10,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:10,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:10,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 09:37:10,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 09:37:10,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:10,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:10,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:10,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:10,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:10,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:10,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 09:37:10,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:10,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:10,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-28 09:37:11,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727085750] [2020-10-28 09:37:11,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:11,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:11,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36854371] [2020-10-28 09:37:11,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:11,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:11,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:11,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:11,062 INFO L87 Difference]: Start difference. First operand 942 states and 1395 transitions. Second operand 4 states. [2020-10-28 09:37:11,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:11,571 INFO L93 Difference]: Finished difference Result 2796 states and 4148 transitions. [2020-10-28 09:37:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:11,572 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 208 [2020-10-28 09:37:11,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:11,583 INFO L225 Difference]: With dead ends: 2796 [2020-10-28 09:37:11,583 INFO L226 Difference]: Without dead ends: 1868 [2020-10-28 09:37:11,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:11,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-10-28 09:37:11,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1867. [2020-10-28 09:37:11,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1867 states. [2020-10-28 09:37:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2755 transitions. [2020-10-28 09:37:11,708 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2755 transitions. Word has length 208 [2020-10-28 09:37:11,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:11,709 INFO L481 AbstractCegarLoop]: Abstraction has 1867 states and 2755 transitions. [2020-10-28 09:37:11,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2755 transitions. [2020-10-28 09:37:11,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-28 09:37:11,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:11,717 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:11,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 09:37:11,717 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:11,718 INFO L82 PathProgramCache]: Analyzing trace with hash 936311235, now seen corresponding path program 1 times [2020-10-28 09:37:11,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:11,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149354476] [2020-10-28 09:37:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:11,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:11,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:11,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:12,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:12,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:12,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 09:37:12,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 09:37:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-10-28 09:37:12,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:12,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-28 09:37:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 09:37:12,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:12,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:12,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:12,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:12,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:12,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:12,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:12,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:12,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:12,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-28 09:37:12,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149354476] [2020-10-28 09:37:12,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:12,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:12,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453060078] [2020-10-28 09:37:12,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:12,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:12,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:12,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:12,898 INFO L87 Difference]: Start difference. First operand 1867 states and 2755 transitions. Second operand 4 states. [2020-10-28 09:37:13,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:13,545 INFO L93 Difference]: Finished difference Result 4120 states and 6192 transitions. [2020-10-28 09:37:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:13,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 208 [2020-10-28 09:37:13,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:13,557 INFO L225 Difference]: With dead ends: 4120 [2020-10-28 09:37:13,557 INFO L226 Difference]: Without dead ends: 2177 [2020-10-28 09:37:13,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:13,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2020-10-28 09:37:13,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 2177. [2020-10-28 09:37:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2177 states. [2020-10-28 09:37:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 3115 transitions. [2020-10-28 09:37:13,668 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 3115 transitions. Word has length 208 [2020-10-28 09:37:13,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:13,668 INFO L481 AbstractCegarLoop]: Abstraction has 2177 states and 3115 transitions. [2020-10-28 09:37:13,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 3115 transitions. [2020-10-28 09:37:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-28 09:37:13,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:13,676 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:13,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 09:37:13,676 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:13,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:13,677 INFO L82 PathProgramCache]: Analyzing trace with hash 451883592, now seen corresponding path program 1 times [2020-10-28 09:37:13,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:13,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695247272] [2020-10-28 09:37:13,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:13,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:13,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:13,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:14,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:15,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:15,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-28 09:37:15,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 09:37:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1776 [2020-10-28 09:37:15,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:15,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 09:37:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-28 09:37:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 09:37:15,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:15,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:15,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:15,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:15,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:15,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:15,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:15,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:15,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:15,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 365 proven. 16 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-28 09:37:15,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695247272] [2020-10-28 09:37:15,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:37:15,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 09:37:15,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481926482] [2020-10-28 09:37:15,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 09:37:15,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:15,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 09:37:15,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:15,716 INFO L87 Difference]: Start difference. First operand 2177 states and 3115 transitions. Second operand 5 states. [2020-10-28 09:37:16,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:16,807 INFO L93 Difference]: Finished difference Result 5416 states and 7822 transitions. [2020-10-28 09:37:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 09:37:16,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-28 09:37:16,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:16,819 INFO L225 Difference]: With dead ends: 5416 [2020-10-28 09:37:16,819 INFO L226 Difference]: Without dead ends: 1896 [2020-10-28 09:37:16,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-28 09:37:16,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2020-10-28 09:37:16,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1770. [2020-10-28 09:37:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1770 states. [2020-10-28 09:37:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2428 transitions. [2020-10-28 09:37:16,919 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2428 transitions. Word has length 236 [2020-10-28 09:37:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:16,920 INFO L481 AbstractCegarLoop]: Abstraction has 1770 states and 2428 transitions. [2020-10-28 09:37:16,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 09:37:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2428 transitions. [2020-10-28 09:37:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-28 09:37:16,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:16,926 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:16,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 09:37:16,927 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1811404466, now seen corresponding path program 1 times [2020-10-28 09:37:16,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:16,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344698260] [2020-10-28 09:37:16,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:16,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:17,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:17,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:17,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:17,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:18,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:20,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:20,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-28 09:37:20,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 09:37:20,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3118 [2020-10-28 09:37:20,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:20,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 09:37:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-28 09:37:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 09:37:20,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:20,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:20,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:20,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:20,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:20,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:20,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:37:20,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:20,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:20,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:20,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:20,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:20,241 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 365 proven. 16 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-28 09:37:20,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344698260] [2020-10-28 09:37:20,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:37:20,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 09:37:20,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633250804] [2020-10-28 09:37:20,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 09:37:20,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:20,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 09:37:20,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:20,244 INFO L87 Difference]: Start difference. First operand 1770 states and 2428 transitions. Second operand 5 states. [2020-10-28 09:37:21,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:21,176 INFO L93 Difference]: Finished difference Result 2980 states and 4103 transitions. [2020-10-28 09:37:21,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 09:37:21,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-28 09:37:21,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:21,177 INFO L225 Difference]: With dead ends: 2980 [2020-10-28 09:37:21,177 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 09:37:21,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-28 09:37:21,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 09:37:21,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 09:37:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 09:37:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 09:37:21,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2020-10-28 09:37:21,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:21,184 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 09:37:21,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 09:37:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 09:37:21,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 09:37:21,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 09:37:21,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 09:37:21,828 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 20 [2020-10-28 09:37:22,032 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 19 [2020-10-28 09:37:22,241 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-10-28 09:37:22,474 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-10-28 09:37:22,767 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 09:37:22,767 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 09:37:22,768 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 09:37:22,768 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 09:37:22,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 09:37:22,768 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-28 09:37:22,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 09:37:22,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 09:37:22,769 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 09:37:22,769 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 09:37:22,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 09:37:22,769 INFO L277 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: true [2020-10-28 09:37:22,769 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 679 690) the Hoare annotation is: true [2020-10-28 09:37:22,769 INFO L274 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-10-28 09:37:22,769 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 679 690) no Hoare annotation was computed. [2020-10-28 09:37:22,770 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 679 690) no Hoare annotation was computed. [2020-10-28 09:37:22,770 INFO L274 CegarLoopResult]: For program point L630(lines 630 654) no Hoare annotation was computed. [2020-10-28 09:37:22,770 INFO L274 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-10-28 09:37:22,770 INFO L274 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2020-10-28 09:37:22,770 INFO L274 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-10-28 09:37:22,770 INFO L274 CegarLoopResult]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2020-10-28 09:37:22,770 INFO L274 CegarLoopResult]: For program point L531-2(lines 213 590) no Hoare annotation was computed. [2020-10-28 09:37:22,770 INFO L274 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L366-2(lines 365 382) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L631(lines 631 640) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L334-1(lines 334 343) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L235(lines 235 240) no Hoare annotation was computed. [2020-10-28 09:37:22,771 INFO L274 CegarLoopResult]: For program point L202(lines 202 596) no Hoare annotation was computed. [2020-10-28 09:37:22,772 INFO L274 CegarLoopResult]: For program point L169(lines 169 607) no Hoare annotation was computed. [2020-10-28 09:37:22,772 INFO L274 CegarLoopResult]: For program point L136(lines 136 618) no Hoare annotation was computed. [2020-10-28 09:37:22,772 INFO L270 CegarLoopResult]: At program point L103-2(lines 103 659) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 (<= 8672 ssl3_accept_~s__state~0)) (and .cse1 .cse2 .cse3 .cse0) (<= ssl3_accept_~blastFlag~0 2) (and .cse3 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (<= 8640 ssl3_accept_~s__state~0) .cse1 .cse2 .cse0))) [2020-10-28 09:37:22,772 INFO L270 CegarLoopResult]: At program point L170(lines 169 607) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= ssl3_accept_~blastFlag~0 3))) (or (and (<= ssl3_accept_~blastFlag~0 2) .cse0) (and (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse1) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)))) [2020-10-28 09:37:22,773 INFO L270 CegarLoopResult]: At program point L137(lines 130 620) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,773 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-28 09:37:22,773 INFO L274 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-28 09:37:22,773 INFO L274 CegarLoopResult]: For program point L205(lines 205 595) no Hoare annotation was computed. [2020-10-28 09:37:22,773 INFO L274 CegarLoopResult]: For program point L172(lines 172 606) no Hoare annotation was computed. [2020-10-28 09:37:22,773 INFO L274 CegarLoopResult]: For program point L139(lines 139 617) no Hoare annotation was computed. [2020-10-28 09:37:22,773 INFO L274 CegarLoopResult]: For program point L106(lines 106 628) no Hoare annotation was computed. [2020-10-28 09:37:22,773 INFO L274 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-10-28 09:37:22,774 INFO L270 CegarLoopResult]: At program point L206(lines 202 596) the Hoare annotation is: (and (<= ssl3_accept_~blastFlag~0 3) (<= 8672 ssl3_accept_~s__state~0)) [2020-10-28 09:37:22,774 INFO L277 CegarLoopResult]: At program point L107(lines 106 628) the Hoare annotation is: true [2020-10-28 09:37:22,774 INFO L274 CegarLoopResult]: For program point L471(lines 471 482) no Hoare annotation was computed. [2020-10-28 09:37:22,774 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-10-28 09:37:22,774 INFO L270 CegarLoopResult]: At program point L372(lines 355 390) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,774 INFO L270 CegarLoopResult]: At program point L406(lines 397 428) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,774 INFO L274 CegarLoopResult]: For program point L241(lines 241 246) no Hoare annotation was computed. [2020-10-28 09:37:22,775 INFO L274 CegarLoopResult]: For program point L208(lines 208 594) no Hoare annotation was computed. [2020-10-28 09:37:22,775 INFO L274 CegarLoopResult]: For program point L175(lines 175 605) no Hoare annotation was computed. [2020-10-28 09:37:22,775 INFO L274 CegarLoopResult]: For program point L142(lines 142 616) no Hoare annotation was computed. [2020-10-28 09:37:22,775 INFO L274 CegarLoopResult]: For program point L109(lines 109 627) no Hoare annotation was computed. [2020-10-28 09:37:22,775 INFO L274 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-10-28 09:37:22,775 INFO L277 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 11 678) the Hoare annotation is: true [2020-10-28 09:37:22,775 INFO L274 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-10-28 09:37:22,775 INFO L277 CegarLoopResult]: At program point L209(lines 208 594) the Hoare annotation is: true [2020-10-28 09:37:22,775 INFO L270 CegarLoopResult]: At program point L176(lines 172 606) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,775 INFO L270 CegarLoopResult]: At program point L143(lines 139 617) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,775 INFO L274 CegarLoopResult]: For program point L77(lines 77 85) no Hoare annotation was computed. [2020-10-28 09:37:22,775 INFO L274 CegarLoopResult]: For program point L408(lines 408 414) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L574(lines 574 584) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L178(lines 178 604) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L145(lines 145 615) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L112(lines 112 626) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L311(lines 311 319) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L277 CegarLoopResult]: At program point L212(lines 211 593) the Hoare annotation is: true [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-10-28 09:37:22,776 INFO L274 CegarLoopResult]: For program point L80-2(lines 77 85) no Hoare annotation was computed. [2020-10-28 09:37:22,777 INFO L277 CegarLoopResult]: At program point L675(lines 68 677) the Hoare annotation is: true [2020-10-28 09:37:22,777 INFO L274 CegarLoopResult]: For program point L642(lines 642 648) no Hoare annotation was computed. [2020-10-28 09:37:22,777 INFO L274 CegarLoopResult]: For program point L543(lines 543 548) no Hoare annotation was computed. [2020-10-28 09:37:22,777 INFO L274 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-10-28 09:37:22,777 INFO L274 CegarLoopResult]: For program point L181(lines 181 603) no Hoare annotation was computed. [2020-10-28 09:37:22,777 INFO L274 CegarLoopResult]: For program point L148(lines 148 614) no Hoare annotation was computed. [2020-10-28 09:37:22,777 INFO L274 CegarLoopResult]: For program point L115(lines 115 625) no Hoare annotation was computed. [2020-10-28 09:37:22,777 INFO L274 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-10-28 09:37:22,778 INFO L274 CegarLoopResult]: For program point L314-2(lines 213 590) no Hoare annotation was computed. [2020-10-28 09:37:22,778 INFO L270 CegarLoopResult]: At program point L182(lines 178 604) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,778 INFO L270 CegarLoopResult]: At program point L149(lines 145 615) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,779 INFO L277 CegarLoopResult]: At program point L216(lines 109 627) the Hoare annotation is: true [2020-10-28 09:37:22,779 INFO L274 CegarLoopResult]: For program point L514(lines 514 518) no Hoare annotation was computed. [2020-10-28 09:37:22,779 INFO L274 CegarLoopResult]: For program point L514-2(lines 514 518) no Hoare annotation was computed. [2020-10-28 09:37:22,779 INFO L274 CegarLoopResult]: For program point L448-1(lines 448 460) no Hoare annotation was computed. [2020-10-28 09:37:22,780 INFO L274 CegarLoopResult]: For program point L184(lines 184 602) no Hoare annotation was computed. [2020-10-28 09:37:22,780 INFO L274 CegarLoopResult]: For program point L151(lines 151 613) no Hoare annotation was computed. [2020-10-28 09:37:22,780 INFO L274 CegarLoopResult]: For program point L118(lines 118 624) no Hoare annotation was computed. [2020-10-28 09:37:22,780 INFO L270 CegarLoopResult]: At program point L416(lines 407 427) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,780 INFO L274 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-10-28 09:37:22,780 INFO L274 CegarLoopResult]: For program point L350-2(lines 213 590) no Hoare annotation was computed. [2020-10-28 09:37:22,780 INFO L274 CegarLoopResult]: For program point L87(lines 87 95) no Hoare annotation was computed. [2020-10-28 09:37:22,780 INFO L274 CegarLoopResult]: For program point L87-1(lines 68 677) no Hoare annotation was computed. [2020-10-28 09:37:22,780 INFO L274 CegarLoopResult]: For program point L451(lines 451 456) no Hoare annotation was computed. [2020-10-28 09:37:22,781 INFO L274 CegarLoopResult]: For program point L187(lines 187 601) no Hoare annotation was computed. [2020-10-28 09:37:22,781 INFO L274 CegarLoopResult]: For program point L154(lines 154 612) no Hoare annotation was computed. [2020-10-28 09:37:22,781 INFO L274 CegarLoopResult]: For program point L121(lines 121 623) no Hoare annotation was computed. [2020-10-28 09:37:22,781 INFO L274 CegarLoopResult]: For program point L88(lines 88 92) no Hoare annotation was computed. [2020-10-28 09:37:22,781 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-10-28 09:37:22,781 INFO L274 CegarLoopResult]: For program point L221(lines 221 225) no Hoare annotation was computed. [2020-10-28 09:37:22,781 INFO L270 CegarLoopResult]: At program point L188(lines 184 602) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,781 INFO L270 CegarLoopResult]: At program point L155(lines 151 613) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,781 INFO L274 CegarLoopResult]: For program point L221-2(lines 213 590) no Hoare annotation was computed. [2020-10-28 09:37:22,782 INFO L274 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 11 678) no Hoare annotation was computed. [2020-10-28 09:37:22,782 INFO L274 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-10-28 09:37:22,782 INFO L274 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-10-28 09:37:22,782 INFO L274 CegarLoopResult]: For program point L190(lines 190 600) no Hoare annotation was computed. [2020-10-28 09:37:22,782 INFO L274 CegarLoopResult]: For program point L157(lines 157 611) no Hoare annotation was computed. [2020-10-28 09:37:22,782 INFO L274 CegarLoopResult]: For program point L124(lines 124 622) no Hoare annotation was computed. [2020-10-28 09:37:22,782 INFO L270 CegarLoopResult]: At program point L554(lines 68 677) the Hoare annotation is: false [2020-10-28 09:37:22,782 INFO L270 CegarLoopResult]: At program point L125(lines 121 623) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,782 INFO L274 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 11 678) no Hoare annotation was computed. [2020-10-28 09:37:22,782 INFO L274 CegarLoopResult]: For program point L258(lines 258 271) no Hoare annotation was computed. [2020-10-28 09:37:22,783 INFO L274 CegarLoopResult]: For program point L358(lines 358 389) no Hoare annotation was computed. [2020-10-28 09:37:22,783 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-10-28 09:37:22,783 INFO L274 CegarLoopResult]: For program point L259(lines 259 264) no Hoare annotation was computed. [2020-10-28 09:37:22,783 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2020-10-28 09:37:22,783 INFO L274 CegarLoopResult]: For program point L193(lines 193 599) no Hoare annotation was computed. [2020-10-28 09:37:22,783 INFO L274 CegarLoopResult]: For program point L160(lines 160 610) no Hoare annotation was computed. [2020-10-28 09:37:22,783 INFO L274 CegarLoopResult]: For program point L127(lines 127 621) no Hoare annotation was computed. [2020-10-28 09:37:22,783 INFO L274 CegarLoopResult]: For program point L524(lines 524 529) no Hoare annotation was computed. [2020-10-28 09:37:22,784 INFO L270 CegarLoopResult]: At program point L194(lines 190 600) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656)) (.cse1 (<= 8640 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-28 09:37:22,784 INFO L270 CegarLoopResult]: At program point L161(lines 157 611) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,784 INFO L270 CegarLoopResult]: At program point L128(lines 127 621) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,784 INFO L270 CegarLoopResult]: At program point L591(lines 103 659) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 (<= 8672 ssl3_accept_~s__state~0)) (and .cse1 .cse2 .cse3 .cse0) (<= ssl3_accept_~blastFlag~0 2) (and .cse3 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (<= 8640 ssl3_accept_~s__state~0) .cse1 .cse2 .cse0))) [2020-10-28 09:37:22,784 INFO L274 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-10-28 09:37:22,784 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-10-28 09:37:22,784 INFO L274 CegarLoopResult]: For program point L294-2(lines 213 590) no Hoare annotation was computed. [2020-10-28 09:37:22,784 INFO L274 CegarLoopResult]: For program point L361(lines 361 388) no Hoare annotation was computed. [2020-10-28 09:37:22,785 INFO L274 CegarLoopResult]: For program point L361-1(lines 361 388) no Hoare annotation was computed. [2020-10-28 09:37:22,785 INFO L274 CegarLoopResult]: For program point L196(lines 196 598) no Hoare annotation was computed. [2020-10-28 09:37:22,785 INFO L274 CegarLoopResult]: For program point L163(lines 163 609) no Hoare annotation was computed. [2020-10-28 09:37:22,785 INFO L274 CegarLoopResult]: For program point L130(lines 130 620) no Hoare annotation was computed. [2020-10-28 09:37:22,785 INFO L274 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-10-28 09:37:22,785 INFO L277 CegarLoopResult]: At program point L660(lines 102 661) the Hoare annotation is: true [2020-10-28 09:37:22,785 INFO L274 CegarLoopResult]: For program point L397(lines 397 428) no Hoare annotation was computed. [2020-10-28 09:37:22,785 INFO L274 CegarLoopResult]: For program point L199(lines 199 597) no Hoare annotation was computed. [2020-10-28 09:37:22,785 INFO L274 CegarLoopResult]: For program point L166(lines 166 608) no Hoare annotation was computed. [2020-10-28 09:37:22,786 INFO L274 CegarLoopResult]: For program point L133(lines 133 619) no Hoare annotation was computed. [2020-10-28 09:37:22,786 INFO L274 CegarLoopResult]: For program point L629(lines 629 657) no Hoare annotation was computed. [2020-10-28 09:37:22,786 INFO L274 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-10-28 09:37:22,786 INFO L274 CegarLoopResult]: For program point L365(lines 365 384) no Hoare annotation was computed. [2020-10-28 09:37:22,786 INFO L274 CegarLoopResult]: For program point L233(lines 233 250) no Hoare annotation was computed. [2020-10-28 09:37:22,786 INFO L270 CegarLoopResult]: At program point L200(lines 196 598) the Hoare annotation is: (let ((.cse0 (<= 8640 ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-28 09:37:22,786 INFO L270 CegarLoopResult]: At program point L167(lines 163 609) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:22,786 INFO L274 CegarLoopResult]: For program point L233-2(lines 213 590) no Hoare annotation was computed. [2020-10-28 09:37:22,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:37:22 BoogieIcfgContainer [2020-10-28 09:37:22,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 09:37:22,832 INFO L168 Benchmark]: Toolchain (without parser) took 23410.69 ms. Allocated memory was 151.0 MB in the beginning and 570.4 MB in the end (delta: 419.4 MB). Free memory was 124.7 MB in the beginning and 490.4 MB in the end (delta: -365.7 MB). Peak memory consumption was 336.2 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:22,834 INFO L168 Benchmark]: CDTParser took 1.66 ms. Allocated memory is still 151.0 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 09:37:22,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 109.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:22,838 INFO L168 Benchmark]: Boogie Preprocessor took 86.47 ms. Allocated memory is still 151.0 MB. Free memory was 109.2 MB in the beginning and 106.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:22,839 INFO L168 Benchmark]: RCFGBuilder took 911.47 ms. Allocated memory is still 151.0 MB. Free memory was 106.7 MB in the beginning and 94.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:22,840 INFO L168 Benchmark]: TraceAbstraction took 22013.54 ms. Allocated memory was 151.0 MB in the beginning and 570.4 MB in the end (delta: 419.4 MB). Free memory was 94.4 MB in the beginning and 490.4 MB in the end (delta: -396.1 MB). Peak memory consumption was 305.4 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:22,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66 ms. Allocated memory is still 151.0 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 385.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 109.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.47 ms. Allocated memory is still 151.0 MB. Free memory was 109.2 MB in the beginning and 106.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 911.47 ms. Allocated memory is still 151.0 MB. Free memory was 106.7 MB in the beginning and 94.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22013.54 ms. Allocated memory was 151.0 MB in the beginning and 570.4 MB in the end (delta: 419.4 MB). Free memory was 94.4 MB in the beginning and 490.4 MB in the end (delta: -396.1 MB). Peak memory consumption was 305.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 202]: Loop Invariant Derived loop invariant: blastFlag <= 3 && 8672 <= s__state - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8448) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || ((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) || ((s__state <= 8656 && 8640 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((blastFlag <= 3 && 8672 <= s__state) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || blastFlag <= 2) || ((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || (((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((blastFlag <= 3 && 8672 <= s__state) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || blastFlag <= 2) || ((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || (((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || (8640 <= s__state && blastFlag <= 2) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.3s, OverallIterations: 10, TraceHistogramMax: 8, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2113 SDtfs, 3418 SDslu, 95 SDs, 0 SdLazy, 2443 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2177occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 157 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 43 PreInvPairs, 296 NumberOfFragments, 326 HoareAnnotationTreeSize, 43 FomulaSimplifications, 10855 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 34 FomulaSimplificationsInter, 1399 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 1538 NumberOfCodeBlocks, 1538 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1528 ConstructedInterpolants, 0 QuantifiedInterpolants, 466678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2219/2251 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...