/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/Problem10_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:38:54,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:38:54,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:38:54,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:38:54,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:38:54,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:38:54,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:38:54,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:38:54,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:38:54,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:38:54,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:38:54,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:38:54,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:38:54,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:38:54,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:38:54,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:38:54,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:38:54,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:38:54,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:38:54,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:38:54,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:38:54,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:38:54,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:38:54,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:38:54,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 22:38:54,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 22:38:54,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 22:38:54,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 22:38:54,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 22:38:54,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 22:38:54,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 22:38:54,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 22:38:54,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 22:38:54,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 22:38:54,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 22:38:54,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 22:38:54,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 22:38:54,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 22:38:54,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:38:54,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:38:54,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:38:54,765 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 [2020-11-06 22:38:54,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:38:54,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:38:54,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:38:54,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:38:54,825 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:38:54,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:38:54,825 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:38:54,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:38:54,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:38:54,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:38:54,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:38:54,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:38:54,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:38:54,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:38:54,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:38:54,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:38:54,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:38:54,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:38:54,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:38:54,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:38:54,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:38:54,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:38:54,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:38:54,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:38:54,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:38:54,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:38:54,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:38:54,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:38:54,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:38:54,839 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:38:55,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:38:55,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:38:55,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:38:55,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:38:55,242 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:38:55,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-11-06 22:38:55,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/388da29b6/a4733f27e6c24209a4b6b13ad7941e30/FLAGd77c8fef0 [2020-11-06 22:38:56,142 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:38:56,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-11-06 22:38:56,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/388da29b6/a4733f27e6c24209a4b6b13ad7941e30/FLAGd77c8fef0 [2020-11-06 22:38:56,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/388da29b6/a4733f27e6c24209a4b6b13ad7941e30 [2020-11-06 22:38:56,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:38:56,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:38:56,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:38:56,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:38:56,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:38:56,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:56" (1/1) ... [2020-11-06 22:38:56,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a4a7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:56, skipping insertion in model container [2020-11-06 22:38:56,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:56" (1/1) ... [2020-11-06 22:38:56,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:38:56,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:38:57,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:38:57,038 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:38:57,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:38:57,232 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:38:57,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57 WrapperNode [2020-11-06 22:38:57,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:38:57,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:38:57,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:38:57,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:38:57,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (1/1) ... [2020-11-06 22:38:57,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (1/1) ... [2020-11-06 22:38:57,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (1/1) ... [2020-11-06 22:38:57,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (1/1) ... [2020-11-06 22:38:57,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (1/1) ... [2020-11-06 22:38:57,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (1/1) ... [2020-11-06 22:38:57,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (1/1) ... [2020-11-06 22:38:57,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:38:57,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:38:57,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:38:57,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:38:57,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (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 [2020-11-06 22:38:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:38:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:38:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:38:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:38:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:38:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:38:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:38:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:38:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:38:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:38:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:38:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:38:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:38:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:38:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:38:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:38:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:38:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:38:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:38:58,916 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:38:58,917 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:38:58,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:58 BoogieIcfgContainer [2020-11-06 22:38:58,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:38:58,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:38:58,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:38:58,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:38:58,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:38:56" (1/3) ... [2020-11-06 22:38:58,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5090ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:58, skipping insertion in model container [2020-11-06 22:38:58,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:57" (2/3) ... [2020-11-06 22:38:58,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5090ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:58, skipping insertion in model container [2020-11-06 22:38:58,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:58" (3/3) ... [2020-11-06 22:38:58,930 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2020-11-06 22:38:58,947 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:38:58,952 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:38:58,965 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:38:58,996 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:38:58,996 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:38:58,996 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:38:58,996 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:38:58,997 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:38:58,997 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:38:58,997 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:38:58,997 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:38:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-11-06 22:38:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-06 22:38:59,034 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:38:59,035 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] [2020-11-06 22:38:59,035 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:38:59,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:38:59,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1022438514, now seen corresponding path program 1 times [2020-11-06 22:38:59,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:38:59,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384440714] [2020-11-06 22:38:59,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:38:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:59,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:38:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:38:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:38:59,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384440714] [2020-11-06 22:38:59,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:38:59,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:38:59,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059924107] [2020-11-06 22:38:59,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:38:59,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:38:59,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:38:59,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:38:59,549 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-11-06 22:39:01,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:01,435 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-11-06 22:39:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:39:01,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-11-06 22:39:01,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:01,454 INFO L225 Difference]: With dead ends: 586 [2020-11-06 22:39:01,454 INFO L226 Difference]: Without dead ends: 303 [2020-11-06 22:39:01,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:39:01,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-11-06 22:39:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-11-06 22:39:01,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-06 22:39:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-11-06 22:39:01,543 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 37 [2020-11-06 22:39:01,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:01,544 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-11-06 22:39:01,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:39:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-11-06 22:39:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-06 22:39:01,549 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:01,550 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:01,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:39:01,550 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:01,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:01,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1733295631, now seen corresponding path program 1 times [2020-11-06 22:39:01,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:01,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147402368] [2020-11-06 22:39:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:01,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:01,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:01,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147402368] [2020-11-06 22:39:01,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097162187] [2020-11-06 22:39:01,980 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 [2020-11-06 22:39:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:02,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:02,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:02,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:02,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-11-06 22:39:02,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225705223] [2020-11-06 22:39:02,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:02,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:02,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:02,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:39:02,219 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 3 states. [2020-11-06 22:39:03,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:03,228 INFO L93 Difference]: Finished difference Result 592 states and 795 transitions. [2020-11-06 22:39:03,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:03,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-11-06 22:39:03,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:03,234 INFO L225 Difference]: With dead ends: 592 [2020-11-06 22:39:03,235 INFO L226 Difference]: Without dead ends: 589 [2020-11-06 22:39:03,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:39:03,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-11-06 22:39:03,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 444. [2020-11-06 22:39:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-11-06 22:39:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 621 transitions. [2020-11-06 22:39:03,300 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 621 transitions. Word has length 107 [2020-11-06 22:39:03,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:03,301 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 621 transitions. [2020-11-06 22:39:03,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 621 transitions. [2020-11-06 22:39:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-11-06 22:39:03,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:03,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:03,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-06 22:39:03,516 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:03,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:03,518 INFO L82 PathProgramCache]: Analyzing trace with hash -248084575, now seen corresponding path program 1 times [2020-11-06 22:39:03,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:03,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343255032] [2020-11-06 22:39:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:03,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:03,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:03,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343255032] [2020-11-06 22:39:03,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:03,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:39:03,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515160313] [2020-11-06 22:39:03,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:39:03,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:03,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:39:03,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:39:03,883 INFO L87 Difference]: Start difference. First operand 444 states and 621 transitions. Second operand 8 states. [2020-11-06 22:39:05,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:05,922 INFO L93 Difference]: Finished difference Result 1198 states and 1703 transitions. [2020-11-06 22:39:05,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:39:05,924 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-11-06 22:39:05,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:05,932 INFO L225 Difference]: With dead ends: 1198 [2020-11-06 22:39:05,932 INFO L226 Difference]: Without dead ends: 760 [2020-11-06 22:39:05,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:39:05,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-11-06 22:39:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742. [2020-11-06 22:39:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-11-06 22:39:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 968 transitions. [2020-11-06 22:39:05,978 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 968 transitions. Word has length 110 [2020-11-06 22:39:05,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:05,979 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 968 transitions. [2020-11-06 22:39:05,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:39:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 968 transitions. [2020-11-06 22:39:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-06 22:39:05,982 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:05,983 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:05,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:39:05,983 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:05,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:05,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1842389229, now seen corresponding path program 1 times [2020-11-06 22:39:05,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:05,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241419490] [2020-11-06 22:39:05,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:06,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:06,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:06,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241419490] [2020-11-06 22:39:06,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119334950] [2020-11-06 22:39:06,242 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 [2020-11-06 22:39:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:06,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:06,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:06,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:06,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-06 22:39:06,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368176759] [2020-11-06 22:39:06,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:06,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:06,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:06,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:39:06,407 INFO L87 Difference]: Start difference. First operand 742 states and 968 transitions. Second operand 3 states. [2020-11-06 22:39:07,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:07,168 INFO L93 Difference]: Finished difference Result 1035 states and 1334 transitions. [2020-11-06 22:39:07,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:07,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-06 22:39:07,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:07,180 INFO L225 Difference]: With dead ends: 1035 [2020-11-06 22:39:07,180 INFO L226 Difference]: Without dead ends: 1032 [2020-11-06 22:39:07,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:39:07,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-11-06 22:39:07,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 889. [2020-11-06 22:39:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-11-06 22:39:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1175 transitions. [2020-11-06 22:39:07,243 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1175 transitions. Word has length 116 [2020-11-06 22:39:07,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:07,244 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1175 transitions. [2020-11-06 22:39:07,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1175 transitions. [2020-11-06 22:39:07,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-06 22:39:07,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:07,258 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:07,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:07,465 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:07,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:07,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1437511932, now seen corresponding path program 1 times [2020-11-06 22:39:07,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:07,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734899218] [2020-11-06 22:39:07,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:07,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:07,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:07,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 22:39:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:39:07,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734899218] [2020-11-06 22:39:07,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349132524] [2020-11-06 22:39:07,863 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 [2020-11-06 22:39:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:07,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:08,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:08,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:08,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-11-06 22:39:08,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135177165] [2020-11-06 22:39:08,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:39:08,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:08,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:39:08,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:08,095 INFO L87 Difference]: Start difference. First operand 889 states and 1175 transitions. Second operand 10 states. [2020-11-06 22:39:11,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:11,256 INFO L93 Difference]: Finished difference Result 2545 states and 3523 transitions. [2020-11-06 22:39:11,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 22:39:11,258 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2020-11-06 22:39:11,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:11,270 INFO L225 Difference]: With dead ends: 2545 [2020-11-06 22:39:11,271 INFO L226 Difference]: Without dead ends: 1662 [2020-11-06 22:39:11,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-11-06 22:39:11,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2020-11-06 22:39:11,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1201. [2020-11-06 22:39:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-11-06 22:39:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1555 transitions. [2020-11-06 22:39:11,338 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1555 transitions. Word has length 189 [2020-11-06 22:39:11,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:11,338 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1555 transitions. [2020-11-06 22:39:11,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:39:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1555 transitions. [2020-11-06 22:39:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-11-06 22:39:11,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:11,347 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:11,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:11,559 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:11,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:11,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1587730251, now seen corresponding path program 1 times [2020-11-06 22:39:11,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:11,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372964263] [2020-11-06 22:39:11,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:11,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:11,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:11,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 22:39:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:11,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-11-06 22:39:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 158 proven. 71 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-06 22:39:12,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372964263] [2020-11-06 22:39:12,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532078585] [2020-11-06 22:39:12,061 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 [2020-11-06 22:39:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:12,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:12,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 267 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-06 22:39:12,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:12,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:39:12,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001452127] [2020-11-06 22:39:12,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:39:12,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:12,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:39:12,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:12,416 INFO L87 Difference]: Start difference. First operand 1201 states and 1555 transitions. Second operand 10 states. [2020-11-06 22:39:13,249 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-11-06 22:39:14,881 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-06 22:39:16,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:16,769 INFO L93 Difference]: Finished difference Result 3461 states and 4610 transitions. [2020-11-06 22:39:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:39:16,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 304 [2020-11-06 22:39:16,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:16,784 INFO L225 Difference]: With dead ends: 3461 [2020-11-06 22:39:16,784 INFO L226 Difference]: Without dead ends: 2266 [2020-11-06 22:39:16,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-11-06 22:39:16,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-11-06 22:39:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1791. [2020-11-06 22:39:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1791 states. [2020-11-06 22:39:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2197 transitions. [2020-11-06 22:39:16,868 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2197 transitions. Word has length 304 [2020-11-06 22:39:16,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:16,868 INFO L481 AbstractCegarLoop]: Abstraction has 1791 states and 2197 transitions. [2020-11-06 22:39:16,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:39:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2197 transitions. [2020-11-06 22:39:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-11-06 22:39:16,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:16,878 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:17,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:17,093 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:17,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:17,094 INFO L82 PathProgramCache]: Analyzing trace with hash 419110701, now seen corresponding path program 1 times [2020-11-06 22:39:17,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:17,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518537240] [2020-11-06 22:39:17,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:17,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:17,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:17,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-06 22:39:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:17,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-06 22:39:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 160 proven. 71 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-06 22:39:17,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518537240] [2020-11-06 22:39:17,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355332001] [2020-11-06 22:39:17,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:17,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:17,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-06 22:39:18,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:18,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-11-06 22:39:18,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38393147] [2020-11-06 22:39:18,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:39:18,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:18,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:39:18,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:39:18,020 INFO L87 Difference]: Start difference. First operand 1791 states and 2197 transitions. Second operand 11 states. [2020-11-06 22:39:22,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:22,514 INFO L93 Difference]: Finished difference Result 5455 states and 6672 transitions. [2020-11-06 22:39:22,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 22:39:22,515 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 313 [2020-11-06 22:39:22,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:22,528 INFO L225 Difference]: With dead ends: 5455 [2020-11-06 22:39:22,529 INFO L226 Difference]: Without dead ends: 2500 [2020-11-06 22:39:22,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-11-06 22:39:22,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2020-11-06 22:39:22,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 1777. [2020-11-06 22:39:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1777 states. [2020-11-06 22:39:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2073 transitions. [2020-11-06 22:39:22,612 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2073 transitions. Word has length 313 [2020-11-06 22:39:22,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:22,612 INFO L481 AbstractCegarLoop]: Abstraction has 1777 states and 2073 transitions. [2020-11-06 22:39:22,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:39:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2073 transitions. [2020-11-06 22:39:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-11-06 22:39:22,623 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:22,623 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:22,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-06 22:39:22,838 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:22,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:22,839 INFO L82 PathProgramCache]: Analyzing trace with hash 539952229, now seen corresponding path program 1 times [2020-11-06 22:39:22,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:22,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834562487] [2020-11-06 22:39:22,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-11-06 22:39:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-11-06 22:39:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 273 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-11-06 22:39:23,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834562487] [2020-11-06 22:39:23,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006802773] [2020-11-06 22:39:23,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:23,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:23,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 275 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-06 22:39:23,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:23,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-11-06 22:39:23,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404981668] [2020-11-06 22:39:23,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:39:23,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:23,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:39:23,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:39:23,814 INFO L87 Difference]: Start difference. First operand 1777 states and 2073 transitions. Second operand 8 states. [2020-11-06 22:39:26,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:26,129 INFO L93 Difference]: Finished difference Result 4919 states and 6001 transitions. [2020-11-06 22:39:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:39:26,130 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 349 [2020-11-06 22:39:26,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:26,148 INFO L225 Difference]: With dead ends: 4919 [2020-11-06 22:39:26,148 INFO L226 Difference]: Without dead ends: 3148 [2020-11-06 22:39:26,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 357 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:39:26,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-11-06 22:39:26,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2947. [2020-11-06 22:39:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2020-11-06 22:39:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 3403 transitions. [2020-11-06 22:39:26,257 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 3403 transitions. Word has length 349 [2020-11-06 22:39:26,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:26,258 INFO L481 AbstractCegarLoop]: Abstraction has 2947 states and 3403 transitions. [2020-11-06 22:39:26,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:39:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3403 transitions. [2020-11-06 22:39:26,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-11-06 22:39:26,271 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:26,271 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:39:26,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:26,486 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:26,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:26,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1770493605, now seen corresponding path program 1 times [2020-11-06 22:39:26,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:26,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804821415] [2020-11-06 22:39:26,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:26,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:26,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:26,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-11-06 22:39:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:26,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-06 22:39:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-11-06 22:39:26,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804821415] [2020-11-06 22:39:26,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28420412] [2020-11-06 22:39:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:27,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-06 22:39:27,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:27,143 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:39:27,182 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:39:27,291 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-11-06 22:39:27,343 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:39:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-11-06 22:39:27,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:27,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-06 22:39:27,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145641739] [2020-11-06 22:39:27,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:27,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:27,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:27,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:39:27,686 INFO L87 Difference]: Start difference. First operand 2947 states and 3403 transitions. Second operand 3 states. [2020-11-06 22:39:28,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:28,690 INFO L93 Difference]: Finished difference Result 6461 states and 7594 transitions. [2020-11-06 22:39:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:28,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 362 [2020-11-06 22:39:28,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:28,697 INFO L225 Difference]: With dead ends: 6461 [2020-11-06 22:39:28,697 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:39:28,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:39:28,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:39:28,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:39:28,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:39:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:39:28,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2020-11-06 22:39:28,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:28,713 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:39:28,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:28,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:39:28,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:39:28,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:28,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:39:29,153 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2020-11-06 22:39:30,022 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2020-11-06 22:39:30,564 WARN L194 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2020-11-06 22:39:31,696 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 227 DAG size of output: 46 [2020-11-06 22:39:32,239 WARN L194 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 38 [2020-11-06 22:39:32,725 WARN L194 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2020-11-06 22:39:32,731 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:39:32,731 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:39:32,731 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:39:32,731 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:39:32,732 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:39:32,732 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-11-06 22:39:32,732 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:39:32,732 INFO L266 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-11-06 22:39:32,732 INFO L266 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-11-06 22:39:32,732 INFO L266 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-11-06 22:39:32,732 INFO L266 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-11-06 22:39:32,732 INFO L266 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,733 INFO L266 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:39:32,734 INFO L266 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,735 INFO L266 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-11-06 22:39:32,736 INFO L266 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-11-06 22:39:32,737 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,738 INFO L266 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-11-06 22:39:32,739 INFO L266 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,740 INFO L266 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-11-06 22:39:32,741 INFO L266 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-11-06 22:39:32,742 INFO L266 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-11-06 22:39:32,743 INFO L266 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-11-06 22:39:32,744 INFO L266 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,745 INFO L266 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,746 INFO L266 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,746 INFO L266 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,746 INFO L266 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,746 INFO L266 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,746 INFO L266 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-11-06 22:39:32,746 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 (not (<= 8 |old(~a19~0)|)) .cse1 .cse2 .cse3) (or .cse0 (not (<= |old(~a10~0)| 2)) .cse1 .cse3) (or .cse0 (= 4 |old(~a10~0)|) .cse1 .cse2 .cse3) (or (not (<= 43 (div (+ (* |old(~a1~0)| (- 1)) (- 333686)) 5))) .cse0 .cse2 .cse1 .cse3))) [2020-11-06 22:39:32,746 INFO L266 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-11-06 22:39:32,746 INFO L266 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-11-06 22:39:32,747 INFO L266 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-06 22:39:32,748 INFO L266 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L262 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 9))) (.cse0 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or (= 4 |old(~a10~0)|) .cse0 .cse1 .cse2) (or (not (<= |old(~a10~0)| 2)) .cse0 .cse2) (or (not (<= 8 |old(~a19~0)|)) .cse0 .cse1 .cse2) (or (not (<= 43 (div (+ (* |old(~a1~0)| (- 1)) (- 333686)) 5))) .cse1 .cse0 .cse2))) [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-11-06 22:39:32,749 INFO L266 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-06 22:39:32,750 INFO L266 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,751 INFO L266 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,752 INFO L266 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:32,752 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:39:32,752 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9)) [2020-11-06 22:39:32,752 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:39:32,752 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:39:32,752 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-11-06 22:39:32,752 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:39:32,752 INFO L262 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 8 ~a19~0) .cse0) (not (<= 9 |old(~a19~0)|)) (<= ~a10~0 2) (and (not (= ~a10~0 4)) .cse0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 43 (div (+ (* ~a1~0 (- 1)) (- 333686)) 5)) .cse0) (not (= ~a12~0 0)))) [2020-11-06 22:39:32,753 INFO L266 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-11-06 22:39:32,753 INFO L266 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-11-06 22:39:32,753 INFO L262 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 8 ~a19~0) .cse0) (not (<= 9 |old(~a19~0)|)) (<= ~a10~0 2) (and (not (= ~a10~0 4)) .cse0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 43 (div (+ (* ~a1~0 (- 1)) (- 333686)) 5)) .cse0) (not (= ~a12~0 0)))) [2020-11-06 22:39:32,753 INFO L266 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:39:32,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:39:32 BoogieIcfgContainer [2020-11-06 22:39:32,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:39:32,775 INFO L168 Benchmark]: Toolchain (without parser) took 36383.71 ms. Allocated memory was 156.2 MB in the beginning and 589.3 MB in the end (delta: 433.1 MB). Free memory was 130.5 MB in the beginning and 477.4 MB in the end (delta: -346.9 MB). Peak memory consumption was 354.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:32,776 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory was 99.3 MB in the beginning and 99.2 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:39:32,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.59 ms. Allocated memory is still 156.2 MB. Free memory was 129.8 MB in the beginning and 133.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:32,777 INFO L168 Benchmark]: Boogie Preprocessor took 115.77 ms. Allocated memory is still 156.2 MB. Free memory was 133.8 MB in the beginning and 129.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:32,778 INFO L168 Benchmark]: RCFGBuilder took 1568.81 ms. Allocated memory is still 156.2 MB. Free memory was 129.4 MB in the beginning and 120.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:32,778 INFO L168 Benchmark]: TraceAbstraction took 33851.67 ms. Allocated memory was 156.2 MB in the beginning and 589.3 MB in the end (delta: 433.1 MB). Free memory was 119.8 MB in the beginning and 477.4 MB in the end (delta: -357.7 MB). Peak memory consumption was 343.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:32,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory was 99.3 MB in the beginning and 99.2 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 831.59 ms. Allocated memory is still 156.2 MB. Free memory was 129.8 MB in the beginning and 133.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 115.77 ms. Allocated memory is still 156.2 MB. Free memory was 133.8 MB in the beginning and 129.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1568.81 ms. Allocated memory is still 156.2 MB. Free memory was 129.4 MB in the beginning and 120.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33851.67 ms. Allocated memory was 156.2 MB in the beginning and 589.3 MB in the end (delta: 433.1 MB). Free memory was 119.8 MB in the beginning and 477.4 MB in the end (delta: -357.7 MB). Peak memory consumption was 343.7 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: 584]: Loop Invariant Derived loop invariant: ((((((((8 <= a19 && a19 <= 9) || !(9 <= \old(a19))) || a10 <= 2) || (!(a10 == 4) && a19 <= 9)) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (43 <= (a1 * -1 + -333686) / 5 && a19 <= 9)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.9s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 21.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 4415 SDslu, 342 SDs, 0 SdLazy, 9162 SolverSat, 2023 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1906 GetRequests, 1806 SyntacticMatches, 4 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2947occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2170 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 203 PreInvPairs, 269 NumberOfFragments, 397 HoareAnnotationTreeSize, 203 FomulaSimplifications, 108519 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9502 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 3627 NumberOfCodeBlocks, 3627 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3611 ConstructedInterpolants, 0 QuantifiedInterpolants, 1812778 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3513 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 2896/3055 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...