/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:35:23,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:35:23,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:35:23,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:35:23,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:35:23,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:35:23,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:35:23,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:35:23,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:35:23,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:35:23,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:35:23,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:35:23,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:35:23,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:35:23,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:35:23,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:35:23,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:35:23,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:35:23,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:35:23,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:35:23,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:35:23,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:35:23,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:35:23,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:35:23,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 18:35:23,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 18:35:23,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 18:35:23,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 18:35:23,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 18:35:23,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 18:35:23,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 18:35:23,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 18:35:23,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 18:35:23,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 18:35:23,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 18:35:23,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 18:35:23,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 18:35:23,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 18:35:23,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:35:23,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:35:23,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:35:23,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:35:23,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:35:23,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:35:23,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:35:23,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:35:23,504 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:35:23,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:35:23,505 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:35:23,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:35:23,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:35:23,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:35:23,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:35:23,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:35:23,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:35:23,507 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:35:23,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:35:23,508 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:35:23,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:35:23,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:35:23,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:35:23,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:35:23,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:35:23,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:35:23,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:35:23,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:35:23,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:35:23,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:35:23,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:35:23,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:35:23,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:35:23,511 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:35:24,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:35:24,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:35:24,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:35:24,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:35:24,106 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:35:24,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-10-23 18:35:24,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4561efc7a/fad33d5056a947eb8c112e7e9957962f/FLAG81a18fe5c [2020-10-23 18:35:25,132 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:35:25,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-10-23 18:35:25,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4561efc7a/fad33d5056a947eb8c112e7e9957962f/FLAG81a18fe5c [2020-10-23 18:35:25,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4561efc7a/fad33d5056a947eb8c112e7e9957962f [2020-10-23 18:35:25,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:35:25,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:35:25,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:35:25,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:35:25,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:35:25,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:35:25" (1/1) ... [2020-10-23 18:35:25,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4599ad79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:25, skipping insertion in model container [2020-10-23 18:35:25,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:35:25" (1/1) ... [2020-10-23 18:35:25,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:35:25,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:35:26,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:35:26,127 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:35:26,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:35:26,304 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:35:26,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26 WrapperNode [2020-10-23 18:35:26,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:35:26,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:35:26,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:35:26,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:35:26,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (1/1) ... [2020-10-23 18:35:26,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (1/1) ... [2020-10-23 18:35:26,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (1/1) ... [2020-10-23 18:35:26,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (1/1) ... [2020-10-23 18:35:26,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (1/1) ... [2020-10-23 18:35:26,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (1/1) ... [2020-10-23 18:35:26,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (1/1) ... [2020-10-23 18:35:26,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:35:26,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:35:26,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:35:26,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:35:26,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-10-23 18:35:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:35:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:35:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:35:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:35:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:35:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:35:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:35:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:35:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:35:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:35:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:35:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:35:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:35:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:35:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:35:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:35:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:35:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:35:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:35:28,234 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:35:28,235 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:35:28,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:35:28 BoogieIcfgContainer [2020-10-23 18:35:28,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:35:28,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:35:28,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:35:28,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:35:28,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:35:25" (1/3) ... [2020-10-23 18:35:28,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3ef7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:35:28, skipping insertion in model container [2020-10-23 18:35:28,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:26" (2/3) ... [2020-10-23 18:35:28,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3ef7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:35:28, skipping insertion in model container [2020-10-23 18:35:28,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:35:28" (3/3) ... [2020-10-23 18:35:28,249 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-10-23 18:35:28,264 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:35:28,271 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:35:28,287 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:35:28,325 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:35:28,325 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:35:28,326 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:35:28,326 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:35:28,326 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:35:28,327 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:35:28,327 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:35:28,327 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:35:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:35:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-23 18:35:28,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:28,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:28,377 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:28,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:28,385 INFO L82 PathProgramCache]: Analyzing trace with hash -368636091, now seen corresponding path program 1 times [2020-10-23 18:35:28,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:28,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636550379] [2020-10-23 18:35:28,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:29,194 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:35:29,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:29,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636550379] [2020-10-23 18:35:29,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:29,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:35:29,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020490576] [2020-10-23 18:35:29,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:35:29,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:29,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:35:29,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:35:29,380 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:35:29,592 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:32,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:32,062 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-10-23 18:35:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:35:32,071 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-10-23 18:35:32,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:32,105 INFO L225 Difference]: With dead ends: 676 [2020-10-23 18:35:32,106 INFO L226 Difference]: Without dead ends: 342 [2020-10-23 18:35:32,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:35:32,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-23 18:35:32,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-10-23 18:35:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-23 18:35:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-10-23 18:35:32,237 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 112 [2020-10-23 18:35:32,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:32,240 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-10-23 18:35:32,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:35:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-10-23 18:35:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-23 18:35:32,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:32,246 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:32,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:35:32,247 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:32,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:32,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1912144249, now seen corresponding path program 1 times [2020-10-23 18:35:32,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:32,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112696859] [2020-10-23 18:35:32,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:32,553 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:35:32,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:32,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:32,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112696859] [2020-10-23 18:35:32,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:32,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:35:32,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675476187] [2020-10-23 18:35:32,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:35:32,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:32,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:35:32,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:35:32,731 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 7 states. [2020-10-23 18:35:32,877 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:35:33,421 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:35:35,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:35,090 INFO L93 Difference]: Finished difference Result 982 states and 1451 transitions. [2020-10-23 18:35:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:35:35,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2020-10-23 18:35:35,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:35,099 INFO L225 Difference]: With dead ends: 982 [2020-10-23 18:35:35,099 INFO L226 Difference]: Without dead ends: 655 [2020-10-23 18:35:35,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:35,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-10-23 18:35:35,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 640. [2020-10-23 18:35:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-23 18:35:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 886 transitions. [2020-10-23 18:35:35,184 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 886 transitions. Word has length 120 [2020-10-23 18:35:35,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:35,185 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 886 transitions. [2020-10-23 18:35:35,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:35:35,185 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 886 transitions. [2020-10-23 18:35:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-23 18:35:35,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:35,196 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:35,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:35:35,196 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:35,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:35,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1080972800, now seen corresponding path program 1 times [2020-10-23 18:35:35,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:35,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663086400] [2020-10-23 18:35:35,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:35,454 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:35:35,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:35,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:35,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663086400] [2020-10-23 18:35:35,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:35,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:35:35,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302114958] [2020-10-23 18:35:35,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:35:35,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:35,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:35:35,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:35:35,559 INFO L87 Difference]: Start difference. First operand 640 states and 886 transitions. Second operand 7 states. [2020-10-23 18:35:37,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:37,875 INFO L93 Difference]: Finished difference Result 1919 states and 2803 transitions. [2020-10-23 18:35:37,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:35:37,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-10-23 18:35:37,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:37,888 INFO L225 Difference]: With dead ends: 1919 [2020-10-23 18:35:37,888 INFO L226 Difference]: Without dead ends: 1285 [2020-10-23 18:35:37,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:35:37,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2020-10-23 18:35:37,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1253. [2020-10-23 18:35:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2020-10-23 18:35:37,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1705 transitions. [2020-10-23 18:35:37,984 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1705 transitions. Word has length 123 [2020-10-23 18:35:37,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:37,985 INFO L481 AbstractCegarLoop]: Abstraction has 1253 states and 1705 transitions. [2020-10-23 18:35:37,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:35:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1705 transitions. [2020-10-23 18:35:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-23 18:35:37,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:37,999 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:38,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:35:38,000 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:38,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:38,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1606415807, now seen corresponding path program 1 times [2020-10-23 18:35:38,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:38,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844719482] [2020-10-23 18:35:38,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:38,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:38,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:35:38,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844719482] [2020-10-23 18:35:38,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577077427] [2020-10-23 18:35:38,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:38,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:38,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:35:38,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:38,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:35:38,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124851286] [2020-10-23 18:35:38,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:35:38,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:38,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:35:38,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:35:38,852 INFO L87 Difference]: Start difference. First operand 1253 states and 1705 transitions. Second operand 3 states. [2020-10-23 18:35:39,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:39,914 INFO L93 Difference]: Finished difference Result 3532 states and 4917 transitions. [2020-10-23 18:35:39,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:35:39,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-10-23 18:35:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:39,940 INFO L225 Difference]: With dead ends: 3532 [2020-10-23 18:35:39,941 INFO L226 Difference]: Without dead ends: 2285 [2020-10-23 18:35:39,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:35:39,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2020-10-23 18:35:40,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2282. [2020-10-23 18:35:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2282 states. [2020-10-23 18:35:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 2887 transitions. [2020-10-23 18:35:40,087 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 2887 transitions. Word has length 153 [2020-10-23 18:35:40,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:40,089 INFO L481 AbstractCegarLoop]: Abstraction has 2282 states and 2887 transitions. [2020-10-23 18:35:40,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:35:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 2887 transitions. [2020-10-23 18:35:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 18:35:40,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:40,106 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:40,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:40,321 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:40,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:40,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1047457098, now seen corresponding path program 1 times [2020-10-23 18:35:40,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:40,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582733084] [2020-10-23 18:35:40,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:40,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:40,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:40,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:35:40,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582733084] [2020-10-23 18:35:40,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849112918] [2020-10-23 18:35:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:40,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-23 18:35:40,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:35:41,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:41,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-10-23 18:35:41,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144882577] [2020-10-23 18:35:41,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:35:41,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:41,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:35:41,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:41,093 INFO L87 Difference]: Start difference. First operand 2282 states and 2887 transitions. Second operand 5 states. [2020-10-23 18:35:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:42,371 INFO L93 Difference]: Finished difference Result 5688 states and 7541 transitions. [2020-10-23 18:35:42,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 18:35:42,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-10-23 18:35:42,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:42,414 INFO L225 Difference]: With dead ends: 5688 [2020-10-23 18:35:42,416 INFO L226 Difference]: Without dead ends: 3412 [2020-10-23 18:35:42,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:35:42,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2020-10-23 18:35:42,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 3366. [2020-10-23 18:35:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3366 states. [2020-10-23 18:35:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 4261 transitions. [2020-10-23 18:35:42,594 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 4261 transitions. Word has length 158 [2020-10-23 18:35:42,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:42,594 INFO L481 AbstractCegarLoop]: Abstraction has 3366 states and 4261 transitions. [2020-10-23 18:35:42,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:35:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 4261 transitions. [2020-10-23 18:35:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-23 18:35:42,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:42,615 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:42,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:42,830 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:42,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:42,830 INFO L82 PathProgramCache]: Analyzing trace with hash -112573930, now seen corresponding path program 1 times [2020-10-23 18:35:42,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:42,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731956215] [2020-10-23 18:35:42,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-23 18:35:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-23 18:35:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 81 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-23 18:35:43,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731956215] [2020-10-23 18:35:43,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110510532] [2020-10-23 18:35:43,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:43,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:43,675 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-23 18:35:43,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:43,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:35:43,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985880048] [2020-10-23 18:35:43,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:35:43,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:43,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:35:43,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:43,682 INFO L87 Difference]: Start difference. First operand 3366 states and 4261 transitions. Second operand 10 states. [2020-10-23 18:35:44,169 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:45,292 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-10-23 18:35:45,731 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-10-23 18:35:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:47,670 INFO L93 Difference]: Finished difference Result 9279 states and 12463 transitions. [2020-10-23 18:35:47,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-23 18:35:47,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-10-23 18:35:47,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:47,714 INFO L225 Difference]: With dead ends: 9279 [2020-10-23 18:35:47,714 INFO L226 Difference]: Without dead ends: 5919 [2020-10-23 18:35:47,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2020-10-23 18:35:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5919 states. [2020-10-23 18:35:47,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5919 to 5895. [2020-10-23 18:35:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5895 states. [2020-10-23 18:35:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5895 states to 5895 states and 7429 transitions. [2020-10-23 18:35:47,956 INFO L78 Accepts]: Start accepts. Automaton has 5895 states and 7429 transitions. Word has length 178 [2020-10-23 18:35:47,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:47,956 INFO L481 AbstractCegarLoop]: Abstraction has 5895 states and 7429 transitions. [2020-10-23 18:35:47,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:35:47,956 INFO L276 IsEmpty]: Start isEmpty. Operand 5895 states and 7429 transitions. [2020-10-23 18:35:48,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-23 18:35:48,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:48,018 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:48,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:48,219 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:48,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:48,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1001436937, now seen corresponding path program 1 times [2020-10-23 18:35:48,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:48,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335940622] [2020-10-23 18:35:48,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:48,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 18:35:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:48,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 18:35:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 105 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-23 18:35:48,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335940622] [2020-10-23 18:35:48,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767707342] [2020-10-23 18:35:48,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:48,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:48,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-23 18:35:48,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:48,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:35:48,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729842668] [2020-10-23 18:35:48,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:35:48,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:48,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:35:48,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:48,894 INFO L87 Difference]: Start difference. First operand 5895 states and 7429 transitions. Second operand 10 states. [2020-10-23 18:35:49,300 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-23 18:35:49,707 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-10-23 18:35:50,659 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 18:35:51,263 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-10-23 18:35:55,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:55,988 INFO L93 Difference]: Finished difference Result 16091 states and 20290 transitions. [2020-10-23 18:35:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-23 18:35:55,995 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-10-23 18:35:55,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:55,996 INFO L225 Difference]: With dead ends: 16091 [2020-10-23 18:35:55,996 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:35:56,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=198, Invalid=794, Unknown=0, NotChecked=0, Total=992 [2020-10-23 18:35:56,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:35:56,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:35:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:35:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:35:56,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2020-10-23 18:35:56,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:56,040 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:35:56,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:35:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:35:56,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:35:56,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:56,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:35:57,279 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 140 [2020-10-23 18:35:57,717 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 140 [2020-10-23 18:35:57,909 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2020-10-23 18:35:59,181 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 236 DAG size of output: 49 [2020-10-23 18:35:59,354 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-10-23 18:35:59,713 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2020-10-23 18:36:00,145 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2020-10-23 18:36:00,500 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2020-10-23 18:36:00,505 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:36:00,506 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:36:00,506 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:36:00,506 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:36:00,506 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:36:00,506 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~y~0 |old(~y~0)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:36:00,506 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:36:00,507 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,508 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,509 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:36:00,509 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:36:00,509 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:36:00,509 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:36:00,510 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:36:00,511 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:36:00,511 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:36:00,511 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:36:00,511 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:36:00,511 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:36:00,512 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:36:00,512 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:36:00,512 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:36:00,512 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,512 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,512 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,514 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,514 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:36:00,514 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,514 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:36:00,514 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:36:00,514 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:36:00,514 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:36:00,515 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:36:00,516 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,516 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,516 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,516 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,516 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,516 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:36:00,517 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:36:00,517 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:36:00,517 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:36:00,517 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:36:00,517 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:36:00,517 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:36:00,518 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,519 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:36:00,520 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:36:00,521 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:36:00,522 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:36:00,523 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,524 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:36:00,525 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:36:00,526 INFO L270 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (let ((.cse2 (not (= |old(~a19~0)| 1))) (.cse1 (not (= |old(~a11~0)| 1))) (.cse0 (not (<= |old(~a19~0)| 0))) (.cse3 (not (<= |old(~a11~0)| 0)))) (and (or (not (= 0 |old(~a25~0)|)) .cse0 .cse1) (or .cse2 .cse3) (or (not (= 9 |old(~a28~0)|)) .cse0 (= |old(~a17~0)| |old(~a28~0)|) .cse1 (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse2 .cse1) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse1) (or .cse0 .cse3))) [2020-10-23 18:36:00,526 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|))) (let ((.cse2 (not (<= |old(~a11~0)| 0))) (.cse0 (not (= |old(~a19~0)| 1))) (.cse1 (and .cse9 .cse3 .cse10 (= ~a19~0 1) .cse4)) (.cse8 (and .cse9 .cse3 .cse10 .cse4 .cse5)) (.cse6 (not (<= |old(~a19~0)| 0))) (.cse7 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (= ~a25~0 ~a11~0) .cse3 .cse4 (= ~a28~0 9) .cse5) (not (= 9 |old(~a28~0)|)) .cse6 (= |old(~a17~0)| |old(~a28~0)|) .cse7 (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse8 .cse6 .cse2) (or .cse0 .cse1 .cse7) (or .cse8 (not (= 0 |old(~a25~0)|)) .cse6 .cse7) (or (not (<= |old(~a28~0)| 7)) .cse8 .cse6 .cse7)))) [2020-10-23 18:36:00,526 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:36:00,526 INFO L274 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,527 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:36:00,528 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:36:00,529 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:36:00,530 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:36:00,531 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:36:00,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:36:00,532 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2020-10-23 18:36:00,532 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:36:00,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:36:00,532 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse1 (= ~a11~0 1)) (.cse3 (<= ~a11~0 0)) (.cse2 (= ~a19~0 1))) (or (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) .cse0 (= ~a28~0 9) .cse1) (not (<= |old(~a28~0)| 7)) (and .cse2 .cse1) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 (<= ~a28~0 7)) (and .cse3 .cse0) (and .cse0 (= ~a25~0 0) .cse1) (= |old(~a17~0)| |old(~a28~0)|) (and .cse3 .cse2) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:36:00,532 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:36:00,532 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:36:00,533 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:36:00,533 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse1 (= ~a11~0 1)) (.cse3 (<= ~a11~0 0)) (.cse2 (= ~a19~0 1))) (or (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) .cse0 (= ~a28~0 9) .cse1) (not (<= |old(~a28~0)| 7)) (and .cse2 .cse1) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 (<= ~a28~0 7)) (and .cse3 .cse0) (and .cse0 (= ~a25~0 0) .cse1) (= |old(~a17~0)| |old(~a28~0)|) (and .cse3 .cse2) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:36:00,533 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:36:00,533 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:36:00,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:36:00 BoogieIcfgContainer [2020-10-23 18:36:00,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:36:00,558 INFO L168 Benchmark]: Toolchain (without parser) took 35178.88 ms. Allocated memory was 151.0 MB in the beginning and 526.4 MB in the end (delta: 375.4 MB). Free memory was 125.1 MB in the beginning and 326.4 MB in the end (delta: -201.2 MB). Peak memory consumption was 320.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:00,559 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 122.3 MB in the end (delta: 429.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:36:00,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.30 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 98.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:00,560 INFO L168 Benchmark]: Boogie Preprocessor took 149.62 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 94.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:00,561 INFO L168 Benchmark]: RCFGBuilder took 1778.51 ms. Allocated memory is still 151.0 MB. Free memory was 94.1 MB in the beginning and 69.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:00,562 INFO L168 Benchmark]: TraceAbstraction took 32316.91 ms. Allocated memory was 151.0 MB in the beginning and 526.4 MB in the end (delta: 375.4 MB). Free memory was 69.9 MB in the beginning and 326.4 MB in the end (delta: -256.4 MB). Peak memory consumption was 265.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:00,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 122.3 MB in the end (delta: 429.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 919.30 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 98.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 149.62 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 94.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1778.51 ms. Allocated memory is still 151.0 MB. Free memory was 94.1 MB in the beginning and 69.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32316.91 ms. Allocated memory was 151.0 MB in the beginning and 526.4 MB in the end (delta: 375.4 MB). Free memory was 69.9 MB in the beginning and 326.4 MB in the end (delta: -256.4 MB). Peak memory consumption was 265.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((((!(a28 == a17) && a25 == a11) && a19 <= 0) && a28 == 9) && a11 == 1) || !(\old(a28) <= 7)) || (a19 == 1 && a11 == 1)) || !(\old(a19) == 1)) || !(0 == \old(a25))) || ((a19 <= 0 && a11 == 1) && a28 <= 7)) || (a11 <= 0 && a19 <= 0)) || ((a19 <= 0 && a25 == 0) && a11 == 1)) || \old(a17) == \old(a28)) || (a11 <= 0 && a19 == 1)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.9s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 21.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 403 SDtfs, 5254 SDslu, 502 SDs, 0 SdLazy, 8649 SolverSat, 1715 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 824 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5895occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 129 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 373 PreInvPairs, 551 NumberOfFragments, 537 HoareAnnotationTreeSize, 373 FomulaSimplifications, 67034 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 11630 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1725 NumberOfCodeBlocks, 1725 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1714 ConstructedInterpolants, 0 QuantifiedInterpolants, 524289 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2158 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 732/763 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...