/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:38:31,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:38:31,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:38:31,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:38:31,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:38:31,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:38:31,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:38:31,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:38:31,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:38:31,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:38:31,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:38:31,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:38:31,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:38:31,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:38:31,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:38:31,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:38:31,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:38:31,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:38:31,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:38:31,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:38:31,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:38:31,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:38:31,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:38:31,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:38:31,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:38:31,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:38:31,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:38:31,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:38:31,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:38:31,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:38:31,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:38:31,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:38:31,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:38:31,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:38:31,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:38:31,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:38:31,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:38:31,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:38:31,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:38:31,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:38:31,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:38:31,320 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 [2020-10-29 09:38:31,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:38:31,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:38:31,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:38:31,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:38:31,401 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:38:31,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:38:31,402 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:38:31,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:38:31,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:38:31,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:38:31,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:38:31,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:38:31,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:38:31,405 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:38:31,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:38:31,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:38:31,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:38:31,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:38:31,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:38:31,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:38:31,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:38:31,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:38:31,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:38:31,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:38:31,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:38:31,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:38:31,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:38:31,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:38:31,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:38:31,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:38:31,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:38:31,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:38:31,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:38:31,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:38:31,958 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:38:31,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-29 09:38:32,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8c2fc607/486af5fd320f401896bcfc84fba6375e/FLAGf08575252 [2020-10-29 09:38:32,736 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:38:32,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-29 09:38:32,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8c2fc607/486af5fd320f401896bcfc84fba6375e/FLAGf08575252 [2020-10-29 09:38:33,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8c2fc607/486af5fd320f401896bcfc84fba6375e [2020-10-29 09:38:33,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:38:33,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:38:33,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:38:33,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:38:33,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:38:33,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459a48be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33, skipping insertion in model container [2020-10-29 09:38:33,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:38:33,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:38:33,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:38:33,318 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:38:33,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:38:33,365 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:38:33,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33 WrapperNode [2020-10-29 09:38:33,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:38:33,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:38:33,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:38:33,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:38:33,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (1/1) ... [2020-10-29 09:38:33,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:38:33,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:38:33,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:38:33,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:38:33,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (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 [2020-10-29 09:38:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:38:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:38:33,540 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:38:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 09:38:33,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:38:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:38:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:38:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:38:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:38:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 09:38:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-29 09:38:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 09:38:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:38:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:38:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:38:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:38:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:38:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:38:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:38:34,229 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:38:34,230 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 09:38:34,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:38:34 BoogieIcfgContainer [2020-10-29 09:38:34,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:38:34,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:38:34,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:38:34,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:38:34,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:38:33" (1/3) ... [2020-10-29 09:38:34,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8e1d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:38:34, skipping insertion in model container [2020-10-29 09:38:34,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:38:33" (2/3) ... [2020-10-29 09:38:34,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8e1d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:38:34, skipping insertion in model container [2020-10-29 09:38:34,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:38:34" (3/3) ... [2020-10-29 09:38:34,249 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-29 09:38:34,262 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:38:34,268 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:38:34,285 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:38:34,329 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:38:34,329 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:38:34,329 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:38:34,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:38:34,330 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:38:34,330 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:38:34,330 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:38:34,330 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:38:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-10-29 09:38:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-29 09:38:34,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:34,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:38:34,369 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:34,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:34,379 INFO L82 PathProgramCache]: Analyzing trace with hash -2090133726, now seen corresponding path program 1 times [2020-10-29 09:38:34,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:34,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499072848] [2020-10-29 09:38:34,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:34,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:34,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:34,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 09:38:34,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:34,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-29 09:38:34,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:34,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:38:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:38:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 09:38:34,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 09:38:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:35,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:35,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:35,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 09:38:35,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:35,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:38:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:35,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499072848] [2020-10-29 09:38:35,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:38:35,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 09:38:35,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095287127] [2020-10-29 09:38:35,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 09:38:35,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:35,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 09:38:35,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:38:35,237 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2020-10-29 09:38:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:35,415 INFO L93 Difference]: Finished difference Result 56 states and 75 transitions. [2020-10-29 09:38:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 09:38:35,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-29 09:38:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:35,427 INFO L225 Difference]: With dead ends: 56 [2020-10-29 09:38:35,427 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 09:38:35,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:38:35,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 09:38:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-29 09:38:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-29 09:38:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-29 09:38:35,480 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-29 09:38:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:35,480 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-29 09:38:35,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 09:38:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-29 09:38:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 09:38:35,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:35,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:38:35,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:38:35,482 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:35,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1177654509, now seen corresponding path program 1 times [2020-10-29 09:38:35,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:35,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489799285] [2020-10-29 09:38:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:35,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:35,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:35,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 09:38:35,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:35,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 09:38:35,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:35,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:35,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:38:35,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 09:38:35,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 09:38:35,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:38:35,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:35,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:35,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:35,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:35,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:35,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 09:38:35,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:35,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:35,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 09:38:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:35,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489799285] [2020-10-29 09:38:35,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:38:35,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 09:38:35,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211601702] [2020-10-29 09:38:35,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 09:38:35,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:35,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 09:38:35,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:38:35,834 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-29 09:38:36,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:36,023 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2020-10-29 09:38:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 09:38:36,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-29 09:38:36,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:36,025 INFO L225 Difference]: With dead ends: 49 [2020-10-29 09:38:36,025 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 09:38:36,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:38:36,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 09:38:36,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 32. [2020-10-29 09:38:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 09:38:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 09:38:36,038 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-29 09:38:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:36,038 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 09:38:36,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 09:38:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 09:38:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 09:38:36,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:36,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:38:36,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:38:36,040 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:36,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:36,041 INFO L82 PathProgramCache]: Analyzing trace with hash 797756910, now seen corresponding path program 1 times [2020-10-29 09:38:36,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:36,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404876615] [2020-10-29 09:38:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:36,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:36,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:36,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:36,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 09:38:36,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:38:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-29 09:38:36,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:36,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:38:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:38:36,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 09:38:36,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:38:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:36,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:36,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:36,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:36,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:38:36,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:36,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:36,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:36,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:36,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:36,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:36,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404876615] [2020-10-29 09:38:36,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:38:36,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 09:38:36,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903572919] [2020-10-29 09:38:36,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 09:38:36,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:36,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 09:38:36,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:38:36,325 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 4 states. [2020-10-29 09:38:36,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:36,437 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2020-10-29 09:38:36,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 09:38:36,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-29 09:38:36,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:36,439 INFO L225 Difference]: With dead ends: 57 [2020-10-29 09:38:36,439 INFO L226 Difference]: Without dead ends: 38 [2020-10-29 09:38:36,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:38:36,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-29 09:38:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2020-10-29 09:38:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 09:38:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2020-10-29 09:38:36,448 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 15 [2020-10-29 09:38:36,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:36,448 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2020-10-29 09:38:36,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 09:38:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2020-10-29 09:38:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-29 09:38:36,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:36,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:38:36,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 09:38:36,450 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:36,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:36,451 INFO L82 PathProgramCache]: Analyzing trace with hash -374545533, now seen corresponding path program 1 times [2020-10-29 09:38:36,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:36,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152321766] [2020-10-29 09:38:36,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:36,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:36,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:36,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 09:38:36,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:36,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 09:38:36,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:36,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:38:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:38:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 09:38:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:36,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:36,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:36,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:36,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:36,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:38:36,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:36,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:38:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:36,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152321766] [2020-10-29 09:38:36,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:38:36,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 09:38:36,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121693910] [2020-10-29 09:38:36,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 09:38:36,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:36,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 09:38:36,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:38:36,616 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 4 states. [2020-10-29 09:38:36,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:36,716 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-10-29 09:38:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 09:38:36,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-29 09:38:36,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:36,718 INFO L225 Difference]: With dead ends: 52 [2020-10-29 09:38:36,718 INFO L226 Difference]: Without dead ends: 33 [2020-10-29 09:38:36,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:38:36,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-29 09:38:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2020-10-29 09:38:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-29 09:38:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-10-29 09:38:36,726 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-10-29 09:38:36,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:36,726 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-10-29 09:38:36,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 09:38:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-10-29 09:38:36,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-29 09:38:36,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:36,727 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] [2020-10-29 09:38:36,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 09:38:36,728 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:36,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:36,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1142004316, now seen corresponding path program 1 times [2020-10-29 09:38:36,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:36,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716561252] [2020-10-29 09:38:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:36,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:37,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:37,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 09:38:37,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:37,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 547 [2020-10-29 09:38:37,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:37,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:37,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:38:37,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 09:38:37,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:38:37,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:37,865 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-10-29 09:38:38,579 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 72 [2020-10-29 09:38:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:38,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:38,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:38,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:38,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:38:38,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:38,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:38,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:38,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716561252] [2020-10-29 09:38:38,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:38:38,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 09:38:38,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696124806] [2020-10-29 09:38:38,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 09:38:38,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:38,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 09:38:38,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:38:38,655 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-10-29 09:38:38,886 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-29 09:38:38,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:38,973 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2020-10-29 09:38:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 09:38:38,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-29 09:38:38,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:38,974 INFO L225 Difference]: With dead ends: 34 [2020-10-29 09:38:38,974 INFO L226 Difference]: Without dead ends: 31 [2020-10-29 09:38:38,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:38:38,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-29 09:38:38,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-10-29 09:38:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-29 09:38:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-10-29 09:38:38,982 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 21 [2020-10-29 09:38:38,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:38,983 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-10-29 09:38:38,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 09:38:38,983 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-10-29 09:38:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-29 09:38:38,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:38,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:38:38,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 09:38:38,984 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:38,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:38,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1984243831, now seen corresponding path program 1 times [2020-10-29 09:38:38,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:38,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31196001] [2020-10-29 09:38:38,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:39,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:39,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:39,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 09:38:39,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 09:38:39,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:39,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:38:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-29 09:38:39,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 09:38:39,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:39,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:39,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:39,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:39,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:39,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:38:39,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:39,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:39,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31196001] [2020-10-29 09:38:39,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:38:39,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 09:38:39,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675974447] [2020-10-29 09:38:39,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 09:38:39,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:39,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 09:38:39,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:38:39,167 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 5 states. [2020-10-29 09:38:39,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:39,296 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2020-10-29 09:38:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 09:38:39,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-29 09:38:39,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:39,298 INFO L225 Difference]: With dead ends: 49 [2020-10-29 09:38:39,298 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 09:38:39,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:38:39,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 09:38:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 32. [2020-10-29 09:38:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 09:38:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2020-10-29 09:38:39,306 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 22 [2020-10-29 09:38:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:39,306 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2020-10-29 09:38:39,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 09:38:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2020-10-29 09:38:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-29 09:38:39,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:39,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:38:39,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 09:38:39,308 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:39,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:39,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1486466012, now seen corresponding path program 1 times [2020-10-29 09:38:39,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:39,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646639730] [2020-10-29 09:38:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:39,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:39,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:39,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:39,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 09:38:39,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:38:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-29 09:38:39,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:39,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:38:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 09:38:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:38:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:39,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:39,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:39,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:39,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:38:39,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:39,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:39,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:38:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:39,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646639730] [2020-10-29 09:38:39,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:38:39,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 09:38:39,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823838642] [2020-10-29 09:38:39,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 09:38:39,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:39,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 09:38:39,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:38:39,734 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 6 states. [2020-10-29 09:38:39,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:39,929 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2020-10-29 09:38:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 09:38:39,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-29 09:38:39,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:39,931 INFO L225 Difference]: With dead ends: 64 [2020-10-29 09:38:39,931 INFO L226 Difference]: Without dead ends: 45 [2020-10-29 09:38:39,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:38:39,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-29 09:38:39,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2020-10-29 09:38:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-29 09:38:39,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2020-10-29 09:38:39,949 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 22 [2020-10-29 09:38:39,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:39,950 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2020-10-29 09:38:39,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 09:38:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2020-10-29 09:38:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-29 09:38:39,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:39,951 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:38:39,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 09:38:39,951 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:39,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:39,952 INFO L82 PathProgramCache]: Analyzing trace with hash -2043647070, now seen corresponding path program 1 times [2020-10-29 09:38:39,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:39,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866314352] [2020-10-29 09:38:39,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:40,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:40,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:40,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:40,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:38:40,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:38:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 860 [2020-10-29 09:38:40,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:40,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:38:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 09:38:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 09:38:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:41,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:41,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:41,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:41,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:41,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:38:41,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:41,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:41,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:41,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:41,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:41,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:41,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866314352] [2020-10-29 09:38:41,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:38:41,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 09:38:41,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808140883] [2020-10-29 09:38:41,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 09:38:41,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:41,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 09:38:41,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:38:41,029 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 5 states. [2020-10-29 09:38:41,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:41,269 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2020-10-29 09:38:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 09:38:41,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-29 09:38:41,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:41,271 INFO L225 Difference]: With dead ends: 41 [2020-10-29 09:38:41,271 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 09:38:41,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:38:41,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 09:38:41,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-29 09:38:41,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-29 09:38:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-10-29 09:38:41,283 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 23 [2020-10-29 09:38:41,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:41,284 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-10-29 09:38:41,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 09:38:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-10-29 09:38:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-29 09:38:41,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:38:41,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:38:41,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 09:38:41,287 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:38:41,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:38:41,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1086625057, now seen corresponding path program 1 times [2020-10-29 09:38:41,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:38:41,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399053439] [2020-10-29 09:38:41,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:38:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:41,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:41,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:38:41,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:38:41,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-29 09:38:41,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:41,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:41,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:38:41,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:38:41,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:38:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:41,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:38:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:38:41,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:38:41,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:38:41,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:38:41,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:38:41,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:38:41,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:38:41,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:38:41,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:38:41,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:38:41,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:38:41,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:38:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:38:41,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399053439] [2020-10-29 09:38:41,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:38:41,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 09:38:41,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100522061] [2020-10-29 09:38:41,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 09:38:41,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:38:41,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 09:38:41,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:38:41,701 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 6 states. [2020-10-29 09:38:41,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:38:41,801 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2020-10-29 09:38:41,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 09:38:41,802 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-10-29 09:38:41,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:38:41,802 INFO L225 Difference]: With dead ends: 39 [2020-10-29 09:38:41,803 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 09:38:41,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:38:41,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 09:38:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 09:38:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 09:38:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 09:38:41,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-29 09:38:41,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:38:41,805 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 09:38:41,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 09:38:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 09:38:41,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:38:41,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 09:38:41,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 09:38:42,488 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2020-10-29 09:38:44,614 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-29 09:38:49,650 WARN L193 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-29 09:38:49,702 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 09:38:49,703 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 09:38:49,703 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 09:38:49,703 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 09:38:49,703 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:38:49,704 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~__return_136~0 |old(~__return_136~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 09:38:49,704 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:38:49,704 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:38:49,704 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 09:38:49,704 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:38:49,704 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:38:49,704 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 6 8) no Hoare annotation was computed. [2020-10-29 09:38:49,704 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-29 09:38:49,705 INFO L274 CegarLoopResult]: For program point L7-2(lines 6 8) no Hoare annotation was computed. [2020-10-29 09:38:49,705 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed. [2020-10-29 09:38:49,705 INFO L274 CegarLoopResult]: For program point L31(lines 31 147) no Hoare annotation was computed. [2020-10-29 09:38:49,705 INFO L274 CegarLoopResult]: For program point L60(lines 60 93) no Hoare annotation was computed. [2020-10-29 09:38:49,705 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 14 168) no Hoare annotation was computed. [2020-10-29 09:38:49,705 INFO L270 CegarLoopResult]: At program point L151(lines 29 152) the Hoare annotation is: false [2020-10-29 09:38:49,705 INFO L270 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-10-29 09:38:49,705 INFO L274 CegarLoopResult]: For program point L110-1(line 110) no Hoare annotation was computed. [2020-10-29 09:38:49,705 INFO L270 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: false [2020-10-29 09:38:49,706 INFO L274 CegarLoopResult]: For program point L40(lines 40 139) no Hoare annotation was computed. [2020-10-29 09:38:49,706 INFO L274 CegarLoopResult]: For program point L73-1(line 73) no Hoare annotation was computed. [2020-10-29 09:38:49,706 INFO L277 CegarLoopResult]: At program point L131(lines 98 132) the Hoare annotation is: true [2020-10-29 09:38:49,707 INFO L270 CegarLoopResult]: At program point L156(lines 26 157) the Hoare annotation is: (or (and (let ((.cse24 (div main_~main__index1~0 4294967296)) (.cse25 (div main_~main__index2~0 4294967296))) (let ((.cse0 (* 4294967296 .cse25)) (.cse1 (* 4294967296 .cse24))) (or (<= (+ main_~main__index1~0 .cse0) (+ main_~main__index2~0 .cse1)) (let ((.cse20 (* main_~main__index2~0 4)) (.cse21 (* .cse25 (- 17179869184))) (.cse19 (select |#memory_int| |main_~#main__array~0.base|)) (.cse22 (* main_~main__index1~0 4)) (.cse23 (* .cse24 (- 17179869184)))) (let ((.cse16 (select .cse19 (+ .cse22 |main_~#main__array~0.offset| .cse23 (- 17179869184)))) (.cse7 (select .cse19 (+ .cse20 |main_~#main__array~0.offset| .cse21)))) (let ((.cse14 (select .cse19 (+ .cse22 |main_~#main__array~0.offset| .cse23))) (.cse13 (+ .cse1 2147483647)) (.cse15 (* 4294967296 (div .cse7 4294967296))) (.cse17 (+ .cse0 2147483647)) (.cse18 (select .cse19 (+ .cse20 |main_~#main__array~0.offset| .cse21 (- 17179869184)))) (.cse8 (* 4294967296 (div .cse16 4294967296)))) (let ((.cse3 (+ .cse18 .cse8)) (.cse2 (+ (* 4294967296 (div .cse18 4294967296)) .cse16)) (.cse4 (< .cse17 main_~main__index2~0)) (.cse5 (<= main_~main__index2~0 .cse17)) (.cse6 (+ .cse16 .cse15)) (.cse12 (< .cse13 main_~main__index1~0)) (.cse11 (* 4294967296 (div .cse14 4294967296))) (.cse10 (+ .cse14 .cse15)) (.cse9 (<= main_~main__index1~0 .cse13))) (and (or (and (<= .cse2 .cse3) .cse4) (and (or (and .cse5 (< .cse6 (+ .cse7 .cse8 1))) .cse9) (or (< .cse10 (+ .cse11 .cse7 1)) .cse12))) (or (and (or (and (<= .cse3 .cse2) .cse4) (and .cse5 (<= (+ .cse7 .cse8) .cse6))) .cse12) (and (<= (+ .cse11 .cse7) .cse10) .cse9)))))))))) (<= (+ (* 4294967296 (div (+ (* (div (+ (* main_~main__index2~0 (- 1)) 4294967294) 4294967296) (- 4294967296)) (* main_~main__index1~0 (- 1)) 4294967296) 4294967296)) main_~main__index1~0) (+ main_~main__index2~0 1))) (and (<= main_~main__loop_entered~0 (* 4294967296 (div main_~main__loop_entered~0 4294967296))) (<= 0 main_~main__loop_entered~0))) [2020-10-29 09:38:49,707 INFO L274 CegarLoopResult]: For program point L57(lines 57 133) no Hoare annotation was computed. [2020-10-29 09:38:49,707 INFO L274 CegarLoopResult]: For program point L24(lines 24 162) no Hoare annotation was computed. [2020-10-29 09:38:49,707 INFO L270 CegarLoopResult]: At program point L119(lines 99 128) the Hoare annotation is: (let ((.cse24 (div main_~main__index1~0 4294967296)) (.cse25 (div main_~main__index2~0 4294967296))) (let ((.cse20 (* 4294967296 .cse25)) (.cse21 (* 4294967296 .cse24))) (or (let ((.cse18 (* main_~main__index2~0 4)) (.cse19 (* .cse25 (- 17179869184))) (.cse17 (select |#memory_int| |main_~#main__array~0.base|)) (.cse22 (* main_~main__index1~0 4)) (.cse23 (* .cse24 (- 17179869184)))) (let ((.cse14 (select .cse17 (+ .cse22 |main_~#main__array~0.offset| .cse23 (- 17179869184)))) (.cse5 (select .cse17 (+ .cse18 |main_~#main__array~0.offset| .cse19)))) (let ((.cse12 (select .cse17 (+ .cse22 |main_~#main__array~0.offset| .cse23))) (.cse11 (+ .cse21 2147483647)) (.cse13 (* 4294967296 (div .cse5 4294967296))) (.cse15 (+ .cse20 2147483647)) (.cse16 (select .cse17 (+ .cse18 |main_~#main__array~0.offset| .cse19 (- 17179869184)))) (.cse6 (* 4294967296 (div .cse14 4294967296)))) (let ((.cse1 (+ .cse16 .cse6)) (.cse0 (+ (* 4294967296 (div .cse16 4294967296)) .cse14)) (.cse2 (< .cse15 main_~main__index2~0)) (.cse3 (<= main_~main__index2~0 .cse15)) (.cse4 (+ .cse14 .cse13)) (.cse10 (< .cse11 main_~main__index1~0)) (.cse9 (* 4294967296 (div .cse12 4294967296))) (.cse8 (+ .cse12 .cse13)) (.cse7 (<= main_~main__index1~0 .cse11))) (and (or (and (<= .cse0 .cse1) .cse2) (and (or (and .cse3 (< .cse4 (+ .cse5 .cse6 1))) .cse7) (or (< .cse8 (+ .cse9 .cse5 1)) .cse10))) (or (and (or (and (<= .cse1 .cse0) .cse2) (and .cse3 (<= (+ .cse5 .cse6) .cse4))) .cse10) (and (<= (+ .cse9 .cse5) .cse8) .cse7)) (<= (+ (* 4294967296 (div (+ (* (div (+ (* main_~main__index2~0 (- 1)) 4294967294) 4294967296) (- 4294967296)) (* main_~main__index1~0 (- 1)) 4294967296) 4294967296)) main_~main__index1~0) (+ main_~main__index2~0 1))))))) (<= (+ main_~main__index1~0 .cse20 1) (+ main_~main__index2~0 .cse21))))) [2020-10-29 09:38:49,708 INFO L274 CegarLoopResult]: For program point L62(lines 62 88) no Hoare annotation was computed. [2020-10-29 09:38:49,708 INFO L274 CegarLoopResult]: For program point L29(lines 29 152) no Hoare annotation was computed. [2020-10-29 09:38:49,708 INFO L270 CegarLoopResult]: At program point L87(lines 62 88) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= 1 main_~main____CPAchecker_TMP_0~1) (<= main_~main__index2~0 (+ .cse0 99998)) (<= (+ (* 4294967296 (div (+ (* (div (+ (* main_~main__index2~0 (- 1)) 4294967294) 4294967296) (- 4294967296)) (* main_~main__index1~0 (- 1)) 4294967296) 4294967296)) main_~main__index1~0) (+ main_~main__index2~0 1)) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-10-29 09:38:49,708 INFO L274 CegarLoopResult]: For program point L21(lines 21 167) no Hoare annotation was computed. [2020-10-29 09:38:49,708 INFO L274 CegarLoopResult]: For program point L50(lines 50 138) no Hoare annotation was computed. [2020-10-29 09:38:49,708 INFO L270 CegarLoopResult]: At program point L79(lines 46 139) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-10-29 09:38:49,709 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 14 168) no Hoare annotation was computed. [2020-10-29 09:38:49,709 INFO L274 CegarLoopResult]: For program point L108(lines 108 120) no Hoare annotation was computed. [2020-10-29 09:38:49,709 INFO L270 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: false [2020-10-29 09:38:49,709 INFO L274 CegarLoopResult]: For program point L42-1(line 42) no Hoare annotation was computed. [2020-10-29 09:38:49,709 INFO L274 CegarLoopResult]: For program point L71(lines 71 80) no Hoare annotation was computed. [2020-10-29 09:38:49,709 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 14 168) the Hoare annotation is: (and (= |old(#length)| |#length|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:38:49,709 INFO L270 CegarLoopResult]: At program point L92(lines 60 93) the Hoare annotation is: false [2020-10-29 09:38:49,710 INFO L274 CegarLoopResult]: For program point L26(lines 26 157) no Hoare annotation was computed. [2020-10-29 09:38:49,710 INFO L270 CegarLoopResult]: At program point L146(lines 31 147) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (= main_~main____CPAchecker_TMP_0~0 1) (<= main_~main__loop_entered~0 (* 4294967296 (div main_~main__loop_entered~0 4294967296))) (<= 0 main_~main__loop_entered~0) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-10-29 09:38:49,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:38:49 BoogieIcfgContainer [2020-10-29 09:38:49,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:38:49,799 INFO L168 Benchmark]: Toolchain (without parser) took 16755.88 ms. Allocated memory was 164.6 MB in the beginning and 259.0 MB in the end (delta: 94.4 MB). Free memory was 147.4 MB in the beginning and 147.0 MB in the end (delta: 361.1 kB). Peak memory consumption was 150.4 MB. Max. memory is 8.0 GB. [2020-10-29 09:38:49,799 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 164.6 MB. Free memory is still 136.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:38:49,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.66 ms. Allocated memory is still 164.6 MB. Free memory was 146.7 MB in the beginning and 136.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 09:38:49,801 INFO L168 Benchmark]: Boogie Preprocessor took 94.96 ms. Allocated memory is still 164.6 MB. Free memory was 136.2 MB in the beginning and 147.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:38:49,804 INFO L168 Benchmark]: RCFGBuilder took 771.02 ms. Allocated memory is still 164.6 MB. Free memory was 147.7 MB in the beginning and 128.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-10-29 09:38:49,806 INFO L168 Benchmark]: TraceAbstraction took 15557.66 ms. Allocated memory was 164.6 MB in the beginning and 259.0 MB in the end (delta: 94.4 MB). Free memory was 127.7 MB in the beginning and 147.0 MB in the end (delta: -19.3 MB). Peak memory consumption was 131.8 MB. Max. memory is 8.0 GB. [2020-10-29 09:38:49,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 164.6 MB. Free memory is still 136.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 316.66 ms. Allocated memory is still 164.6 MB. Free memory was 146.7 MB in the beginning and 136.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 94.96 ms. Allocated memory is still 164.6 MB. Free memory was 136.2 MB in the beginning and 147.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 771.02 ms. Allocated memory is still 164.6 MB. Free memory was 147.7 MB in the beginning and 128.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15557.66 ms. Allocated memory was 164.6 MB in the beginning and 259.0 MB in the end (delta: 94.4 MB). Free memory was 127.7 MB in the beginning and 147.0 MB in the end (delta: -19.3 MB). Peak memory consumption was 131.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant [2020-10-29 09:38:49,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296) || (((4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + 1) || main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647) && (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 1 || 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1))) && ((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) <= 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296))) && 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1) || (4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647)))) && 4294967296 * (((main__index2 * -1 + 4294967294) / 4294967296 * -4294967296 + main__index1 * -1 + 4294967296) / 4294967296) + main__index1 <= main__index2 + 1) || (main__loop_entered <= 4294967296 * (main__loop_entered / 4294967296) && 0 <= main__loop_entered) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant [2020-10-29 09:38:49,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:38:49,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + 1) || main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647) && (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 1 || 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1))) && ((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) <= 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296))) && 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1) || (4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647))) && 4294967296 * (((main__index2 * -1 + 4294967294) / 4294967296 * -4294967296 + main__index1 * -1 + 4294967296) / 4294967296) + main__index1 <= main__index2 + 1) || main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((1 <= main____CPAchecker_TMP_0 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99998) && 4294967296 * (((main__index2 * -1 + 4294967294) / 4294967296 * -4294967296 + main__index1 * -1 + 4294967296) / 4294967296) + main__index1 <= main__index2 + 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && main____CPAchecker_TMP_0 == 1) && main__loop_entered <= 4294967296 * (main__loop_entered / 4294967296)) && 0 <= main__loop_entered) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.4s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 240 SDtfs, 179 SDslu, 278 SDs, 0 SdLazy, 494 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 53 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 29 PreInvPairs, 39 NumberOfFragments, 1273 HoareAnnotationTreeSize, 29 FomulaSimplifications, 403 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 3207 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 54742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1/2 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...