/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:50:38,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:50:38,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:50:38,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:50:38,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:50:38,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:50:38,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:50:38,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:50:38,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:50:38,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:50:38,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:50:38,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:50:38,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:50:38,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:50:38,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:50:38,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:50:38,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:50:38,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:50:38,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:50:38,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:50:38,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:50:38,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:50:38,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:50:38,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:50:38,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:50:38,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:50:38,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:50:38,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:50:38,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:50:38,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:50:38,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:50:38,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:50:38,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:50:38,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:50:38,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:50:38,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:50:38,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:50:38,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:50:38,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:50:38,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:50:38,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:50:38,703 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 [2020-08-22 16:50:38,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:50:38,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:50:38,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:50:38,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:50:38,728 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:50:38,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:50:38,728 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:50:38,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:50:38,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:50:38,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:50:38,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:50:38,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:50:38,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:50:38,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:50:38,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:50:38,730 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:50:38,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:50:38,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:50:38,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:50:38,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:50:38,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:50:38,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:50:38,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:50:38,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:50:38,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:50:38,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:50:38,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:50:38,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:50:38,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:50:38,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:50:39,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:50:39,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:50:39,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:50:39,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:50:39,036 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:50:39,037 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-08-22 16:50:39,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2d8d52/f2117594a42643a99197f419f523ca39/FLAGf08ab8827 [2020-08-22 16:50:39,592 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:50:39,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-08-22 16:50:39,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2d8d52/f2117594a42643a99197f419f523ca39/FLAGf08ab8827 [2020-08-22 16:50:39,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2d8d52/f2117594a42643a99197f419f523ca39 [2020-08-22 16:50:39,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:50:39,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:50:39,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:50:39,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:50:39,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:50:39,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:50:39" (1/1) ... [2020-08-22 16:50:39,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573cf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:39, skipping insertion in model container [2020-08-22 16:50:39,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:50:39" (1/1) ... [2020-08-22 16:50:39,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:50:40,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:50:40,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:50:40,596 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:50:40,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:50:40,781 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:50:40,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40 WrapperNode [2020-08-22 16:50:40,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:50:40,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:50:40,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:50:40,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:50:40,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (1/1) ... [2020-08-22 16:50:40,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (1/1) ... [2020-08-22 16:50:40,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (1/1) ... [2020-08-22 16:50:40,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (1/1) ... [2020-08-22 16:50:40,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (1/1) ... [2020-08-22 16:50:40,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (1/1) ... [2020-08-22 16:50:40,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (1/1) ... [2020-08-22 16:50:40,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:50:40,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:50:40,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:50:40,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:50:40,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (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 [2020-08-22 16:50:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:50:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:50:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:50:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:50:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:50:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:50:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:50:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:50:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:50:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:50:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:50:42,125 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:50:42,125 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:50:42,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:50:42 BoogieIcfgContainer [2020-08-22 16:50:42,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:50:42,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:50:42,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:50:42,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:50:42,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:50:39" (1/3) ... [2020-08-22 16:50:42,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4779096e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:50:42, skipping insertion in model container [2020-08-22 16:50:42,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:40" (2/3) ... [2020-08-22 16:50:42,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4779096e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:50:42, skipping insertion in model container [2020-08-22 16:50:42,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:50:42" (3/3) ... [2020-08-22 16:50:42,140 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-08-22 16:50:42,151 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:50:42,159 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:50:42,175 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:50:42,201 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:50:42,201 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:50:42,202 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:50:42,202 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:50:42,202 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:50:42,202 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:50:42,202 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:50:42,203 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:50:42,225 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-22 16:50:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-08-22 16:50:42,239 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:42,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:42,241 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:42,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:42,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1255491721, now seen corresponding path program 1 times [2020-08-22 16:50:42,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:42,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753844931] [2020-08-22 16:50:42,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:42,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:42,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753844931] [2020-08-22 16:50:42,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:50:42,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:50:42,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965988161] [2020-08-22 16:50:42,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:50:42,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:42,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:50:42,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:50:42,866 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-22 16:50:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:45,054 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2020-08-22 16:50:45,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:50:45,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-08-22 16:50:45,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:45,076 INFO L225 Difference]: With dead ends: 828 [2020-08-22 16:50:45,076 INFO L226 Difference]: Without dead ends: 494 [2020-08-22 16:50:45,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:50:45,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-08-22 16:50:45,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2020-08-22 16:50:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-08-22 16:50:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2020-08-22 16:50:45,182 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 135 [2020-08-22 16:50:45,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:45,183 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2020-08-22 16:50:45,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:50:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2020-08-22 16:50:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-08-22 16:50:45,189 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:45,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:45,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:50:45,190 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:45,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:45,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1491134706, now seen corresponding path program 1 times [2020-08-22 16:50:45,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:45,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841703313] [2020-08-22 16:50:45,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:45,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:45,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:50:45,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841703313] [2020-08-22 16:50:45,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89887916] [2020-08-22 16:50:45,576 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 [2020-08-22 16:50:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:45,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:50:45,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:45,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:50:45,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-08-22 16:50:45,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920105552] [2020-08-22 16:50:45,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:50:45,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:45,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:50:45,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:50:45,804 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 3 states. [2020-08-22 16:50:46,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:46,407 INFO L93 Difference]: Finished difference Result 1380 states and 2025 transitions. [2020-08-22 16:50:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:50:46,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-08-22 16:50:46,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:46,425 INFO L225 Difference]: With dead ends: 1380 [2020-08-22 16:50:46,425 INFO L226 Difference]: Without dead ends: 911 [2020-08-22 16:50:46,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:50:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-08-22 16:50:46,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 621. [2020-08-22 16:50:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-08-22 16:50:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 912 transitions. [2020-08-22 16:50:46,501 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 912 transitions. Word has length 143 [2020-08-22 16:50:46,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:46,501 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 912 transitions. [2020-08-22 16:50:46,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:50:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 912 transitions. [2020-08-22 16:50:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-08-22 16:50:46,507 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:46,508 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:46,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-08-22 16:50:46,717 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:46,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:46,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1675646532, now seen corresponding path program 1 times [2020-08-22 16:50:46,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:46,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837437939] [2020-08-22 16:50:46,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:46,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:46,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837437939] [2020-08-22 16:50:46,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:50:46,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:50:46,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508707744] [2020-08-22 16:50:46,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:50:46,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:46,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:50:46,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:50:46,948 INFO L87 Difference]: Start difference. First operand 621 states and 912 transitions. Second operand 8 states. [2020-08-22 16:50:47,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:47,742 INFO L93 Difference]: Finished difference Result 1245 states and 1881 transitions. [2020-08-22 16:50:47,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:50:47,742 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-08-22 16:50:47,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:47,747 INFO L225 Difference]: With dead ends: 1245 [2020-08-22 16:50:47,747 INFO L226 Difference]: Without dead ends: 630 [2020-08-22 16:50:47,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:50:47,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-08-22 16:50:47,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 609. [2020-08-22 16:50:47,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-08-22 16:50:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 837 transitions. [2020-08-22 16:50:47,774 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 837 transitions. Word has length 150 [2020-08-22 16:50:47,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:47,775 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 837 transitions. [2020-08-22 16:50:47,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:50:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 837 transitions. [2020-08-22 16:50:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 16:50:47,778 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:47,778 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:47,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:50:47,779 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:47,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:47,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1950441223, now seen corresponding path program 1 times [2020-08-22 16:50:47,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:47,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771907966] [2020-08-22 16:50:47,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:47,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:47,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:48,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771907966] [2020-08-22 16:50:48,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175265753] [2020-08-22 16:50:48,122 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 [2020-08-22 16:50:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:48,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:50:48,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:48,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:50:48,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-08-22 16:50:48,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330142380] [2020-08-22 16:50:48,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:50:48,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:48,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:50:48,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:50:48,260 INFO L87 Difference]: Start difference. First operand 609 states and 837 transitions. Second operand 3 states. [2020-08-22 16:50:48,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:48,779 INFO L93 Difference]: Finished difference Result 1795 states and 2516 transitions. [2020-08-22 16:50:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:50:48,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-08-22 16:50:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:48,787 INFO L225 Difference]: With dead ends: 1795 [2020-08-22 16:50:48,787 INFO L226 Difference]: Without dead ends: 1192 [2020-08-22 16:50:48,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:50:48,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2020-08-22 16:50:48,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1046. [2020-08-22 16:50:48,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-08-22 16:50:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1327 transitions. [2020-08-22 16:50:48,824 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1327 transitions. Word has length 161 [2020-08-22 16:50:48,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:48,825 INFO L479 AbstractCegarLoop]: Abstraction has 1046 states and 1327 transitions. [2020-08-22 16:50:48,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:50:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1327 transitions. [2020-08-22 16:50:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-08-22 16:50:48,830 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:48,830 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:49,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:50:49,044 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:49,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:49,045 INFO L82 PathProgramCache]: Analyzing trace with hash -135240400, now seen corresponding path program 1 times [2020-08-22 16:50:49,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:49,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336872282] [2020-08-22 16:50:49,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 16:50:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:50:49,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336872282] [2020-08-22 16:50:49,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005911496] [2020-08-22 16:50:49,228 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 [2020-08-22 16:50:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:50:49,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:49,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:50:49,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:50:49,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131415459] [2020-08-22 16:50:49,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:50:49,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:49,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:50:49,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:50:49,410 INFO L87 Difference]: Start difference. First operand 1046 states and 1327 transitions. Second operand 10 states. [2020-08-22 16:50:53,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:53,312 INFO L93 Difference]: Finished difference Result 4370 states and 6209 transitions. [2020-08-22 16:50:53,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 16:50:53,313 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2020-08-22 16:50:53,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:53,334 INFO L225 Difference]: With dead ends: 4370 [2020-08-22 16:50:53,334 INFO L226 Difference]: Without dead ends: 3330 [2020-08-22 16:50:53,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2020-08-22 16:50:53,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2020-08-22 16:50:53,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3117. [2020-08-22 16:50:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3117 states. [2020-08-22 16:50:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 3852 transitions. [2020-08-22 16:50:53,462 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 3852 transitions. Word has length 174 [2020-08-22 16:50:53,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:53,462 INFO L479 AbstractCegarLoop]: Abstraction has 3117 states and 3852 transitions. [2020-08-22 16:50:53,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:50:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 3852 transitions. [2020-08-22 16:50:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-08-22 16:50:53,474 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:53,475 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:53,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:50:53,691 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:53,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:53,692 INFO L82 PathProgramCache]: Analyzing trace with hash 863973187, now seen corresponding path program 1 times [2020-08-22 16:50:53,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:53,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502982366] [2020-08-22 16:50:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:53,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:53,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 16:50:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-22 16:50:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-22 16:50:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-08-22 16:50:53,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502982366] [2020-08-22 16:50:53,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608952510] [2020-08-22 16:50:53,930 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 [2020-08-22 16:50:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:54,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:50:54,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-08-22 16:50:54,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:50:54,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-08-22 16:50:54,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825084278] [2020-08-22 16:50:54,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:50:54,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:54,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:50:54,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:50:54,286 INFO L87 Difference]: Start difference. First operand 3117 states and 3852 transitions. Second operand 10 states. [2020-08-22 16:50:55,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:55,451 INFO L93 Difference]: Finished difference Result 5529 states and 6833 transitions. [2020-08-22 16:50:55,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:50:55,452 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2020-08-22 16:50:55,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:55,464 INFO L225 Difference]: With dead ends: 5529 [2020-08-22 16:50:55,465 INFO L226 Difference]: Without dead ends: 2962 [2020-08-22 16:50:55,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:50:55,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2020-08-22 16:50:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2960. [2020-08-22 16:50:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2020-08-22 16:50:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3406 transitions. [2020-08-22 16:50:55,557 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3406 transitions. Word has length 223 [2020-08-22 16:50:55,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:55,558 INFO L479 AbstractCegarLoop]: Abstraction has 2960 states and 3406 transitions. [2020-08-22 16:50:55,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:50:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3406 transitions. [2020-08-22 16:50:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-08-22 16:50:55,570 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:55,570 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:55,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:50:55,783 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:55,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:55,784 INFO L82 PathProgramCache]: Analyzing trace with hash -720987205, now seen corresponding path program 1 times [2020-08-22 16:50:55,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:55,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890593171] [2020-08-22 16:50:55,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:55,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:55,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:55,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:50:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:55,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 16:50:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:55,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-22 16:50:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-08-22 16:50:55,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890593171] [2020-08-22 16:50:55,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516073199] [2020-08-22 16:50:55,987 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 [2020-08-22 16:50:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:56,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:50:56,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-08-22 16:50:56,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:50:56,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:50:56,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923030635] [2020-08-22 16:50:56,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:50:56,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:56,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:50:56,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:50:56,234 INFO L87 Difference]: Start difference. First operand 2960 states and 3406 transitions. Second operand 10 states. [2020-08-22 16:50:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:59,942 INFO L93 Difference]: Finished difference Result 5940 states and 6867 transitions. [2020-08-22 16:50:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-22 16:50:59,942 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 227 [2020-08-22 16:50:59,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:59,953 INFO L225 Difference]: With dead ends: 5940 [2020-08-22 16:50:59,954 INFO L226 Difference]: Without dead ends: 2976 [2020-08-22 16:50:59,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=200, Invalid=792, Unknown=0, NotChecked=0, Total=992 [2020-08-22 16:50:59,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2020-08-22 16:51:00,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2969. [2020-08-22 16:51:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2969 states. [2020-08-22 16:51:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 3263 transitions. [2020-08-22 16:51:00,024 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 3263 transitions. Word has length 227 [2020-08-22 16:51:00,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:51:00,024 INFO L479 AbstractCegarLoop]: Abstraction has 2969 states and 3263 transitions. [2020-08-22 16:51:00,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:51:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3263 transitions. [2020-08-22 16:51:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-08-22 16:51:00,034 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:51:00,034 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:51:00,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-08-22 16:51:00,248 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:51:00,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:51:00,249 INFO L82 PathProgramCache]: Analyzing trace with hash 259892337, now seen corresponding path program 1 times [2020-08-22 16:51:00,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:51:00,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303347155] [2020-08-22 16:51:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:51:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:00,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:51:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:00,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:51:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:00,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 16:51:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-22 16:51:00,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303347155] [2020-08-22 16:51:00,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577707672] [2020-08-22 16:51:00,498 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 [2020-08-22 16:51:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:00,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:51:00,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:51:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-08-22 16:51:00,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:51:00,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-08-22 16:51:00,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474474642] [2020-08-22 16:51:00,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:51:00,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:51:00,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:51:00,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:51:00,708 INFO L87 Difference]: Start difference. First operand 2969 states and 3263 transitions. Second operand 3 states. [2020-08-22 16:51:01,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:51:01,217 INFO L93 Difference]: Finished difference Result 5354 states and 5874 transitions. [2020-08-22 16:51:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:51:01,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-08-22 16:51:01,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:51:01,219 INFO L225 Difference]: With dead ends: 5354 [2020-08-22 16:51:01,219 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:51:01,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:51:01,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:51:01,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:51:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:51:01,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:51:01,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2020-08-22 16:51:01,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:51:01,234 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:51:01,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:51:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:51:01,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:51:01,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:51:01,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:51:02,543 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 59 [2020-08-22 16:51:02,786 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2020-08-22 16:51:02,974 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2020-08-22 16:51:02,978 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:51:02,979 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-22 16:51:02,979 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:51:02,979 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,979 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,979 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,979 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,980 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,980 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-22 16:51:02,980 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-22 16:51:02,980 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-22 16:51:02,980 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-22 16:51:02,980 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-22 16:51:02,980 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-22 16:51:02,980 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-22 16:51:02,981 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-22 16:51:02,983 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-22 16:51:02,983 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-22 16:51:02,984 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,985 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-22 16:51:02,985 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 16:51:02,985 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-22 16:51:02,985 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-22 16:51:02,985 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-22 16:51:02,985 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-22 16:51:02,985 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-22 16:51:02,985 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:51:02,986 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:51:02,987 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-22 16:51:02,987 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-22 16:51:02,987 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-22 16:51:02,988 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:51:02,988 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:51:02,988 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-22 16:51:02,988 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,990 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,990 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,990 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,990 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,990 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2020-08-22 16:51:02,991 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:51:02,991 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-22 16:51:02,991 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:51:02,991 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 16:51:02,991 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-22 16:51:02,991 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-22 16:51:02,991 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,992 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,993 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-22 16:51:02,993 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-22 16:51:02,993 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-22 16:51:02,993 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 16:51:02,993 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-22 16:51:02,993 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-22 16:51:02,993 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-22 16:51:02,993 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-22 16:51:02,994 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-22 16:51:02,994 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-22 16:51:02,994 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-22 16:51:02,994 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-22 16:51:02,995 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-22 16:51:02,995 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,995 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,995 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,996 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,996 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,996 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-22 16:51:02,996 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 16:51:02,996 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-22 16:51:02,996 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 16:51:02,996 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-22 16:51:02,996 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-22 16:51:02,997 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-22 16:51:02,997 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-22 16:51:02,997 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-22 16:51:02,997 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-22 16:51:02,997 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-22 16:51:02,997 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-22 16:51:02,997 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-22 16:51:02,997 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:51:02,998 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-22 16:51:02,998 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:51:02,998 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,998 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,999 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,999 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,999 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-22 16:51:02,999 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:02,999 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:51:03,000 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,000 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:51:03,000 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:51:03,001 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:51:03,001 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,001 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,001 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-22 16:51:03,001 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-22 16:51:03,001 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-22 16:51:03,001 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-22 16:51:03,001 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 16:51:03,002 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-22 16:51:03,002 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-22 16:51:03,002 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-22 16:51:03,002 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-22 16:51:03,002 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-22 16:51:03,002 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-22 16:51:03,002 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,002 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,003 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,003 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,003 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,003 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,003 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-22 16:51:03,003 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-22 16:51:03,003 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-22 16:51:03,003 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-22 16:51:03,004 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-22 16:51:03,004 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 16:51:03,004 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-22 16:51:03,004 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-22 16:51:03,004 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-22 16:51:03,004 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-22 16:51:03,004 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-22 16:51:03,005 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,005 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,005 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,005 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,005 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,005 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,005 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-22 16:51:03,005 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-22 16:51:03,006 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-22 16:51:03,006 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-22 16:51:03,006 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 16:51:03,006 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-22 16:51:03,006 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-22 16:51:03,006 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 16:51:03,006 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-22 16:51:03,006 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-22 16:51:03,007 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-22 16:51:03,007 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-22 16:51:03,007 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-22 16:51:03,007 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-22 16:51:03,007 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,007 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,007 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,008 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1)) (.cse15 (= |old(~a25~0)| 1)) (.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse17 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|))) (let ((.cse7 (and .cse3 .cse16 .cse4 .cse17 .cse6)) (.cse9 (not (<= |old(~a28~0)| 9))) (.cse0 (not .cse15)) (.cse10 (and .cse3 .cse16 .cse4 .cse5 .cse6)) (.cse8 (not (<= |old(~a25~0)| 0))) (.cse11 (not (<= |old(~a19~0)| 0))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse12 (not (<= |old(~a28~0)| 10))) (.cse2 (not (= |old(~a19~0)| 1))) (.cse14 (not (<= 10 |old(~a28~0)|))) (.cse13 (and .cse16 .cse4 (<= 10 ~a28~0) .cse17 (<= ~a28~0 10) .cse6))) (and (or .cse0 .cse1 .cse2 (not (<= 8 |old(~a17~0)|)) (and .cse3 .cse4 (<= 8 ~a17~0) .cse5 (<= ~a17~0 8) .cse6)) (or .cse1 .cse2 .cse7 .cse8 .cse9) (or .cse0 (not (<= |old(~a28~0)| 7)) .cse1 .cse10 .cse2) (or .cse1 .cse7 .cse8 .cse9 .cse11) (or .cse0 .cse1 .cse12 .cse10 .cse11) (or .cse1 .cse12 .cse8 .cse13 .cse14 .cse11) (or .cse1 .cse12 .cse2 .cse15 .cse14 .cse13)))) [2020-08-22 16:51:03,008 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,008 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-22 16:51:03,009 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 16:51:03,010 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-22 16:51:03,010 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-22 16:51:03,010 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-22 16:51:03,010 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-22 16:51:03,010 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-22 16:51:03,010 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,010 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,010 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,011 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,011 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,011 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,011 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-22 16:51:03,011 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-22 16:51:03,011 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-22 16:51:03,011 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-22 16:51:03,011 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:51:03,012 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-22 16:51:03,013 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-22 16:51:03,013 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-22 16:51:03,013 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,013 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,013 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,013 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,013 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:51:03,013 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-22 16:51:03,014 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-22 16:51:03,015 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-22 16:51:03,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:51:03,016 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0)) [2020-08-22 16:51:03,016 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:51:03,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:51:03,016 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2020-08-22 16:51:03,017 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (= ~a25~0 1)) (.cse3 (<= ~a19~0 0)) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a25~0 0)) (.cse4 (<= ~a28~0 10))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 (<= ~a28~0 7) .cse2) (and .cse3 .cse1 .cse2 .cse4) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse2 .cse5 .cse4) (and .cse0 (<= 8 ~a17~0) .cse1 .cse2) (and .cse0 (<= 10 ~a28~0) .cse2 .cse4 (not .cse1)) (and .cse3 .cse2 .cse5 .cse4))) [2020-08-22 16:51:03,017 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:51:03,017 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:51:03,018 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (= ~a25~0 1)) (.cse3 (<= ~a19~0 0)) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a25~0 0)) (.cse4 (<= ~a28~0 10))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 (<= ~a28~0 7) .cse2) (and .cse3 .cse1 .cse2 .cse4) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse2 .cse5 .cse4) (and .cse0 (<= 8 ~a17~0) .cse1 .cse2) (and .cse0 (<= 10 ~a28~0) .cse2 .cse4 (not .cse1)) (and .cse3 .cse2 .cse5 .cse4))) [2020-08-22 16:51:03,018 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-22 16:51:03,018 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-22 16:51:03,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:51:03 BoogieIcfgContainer [2020-08-22 16:51:03,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:51:03,043 INFO L168 Benchmark]: Toolchain (without parser) took 23103.62 ms. Allocated memory was 141.0 MB in the beginning and 550.5 MB in the end (delta: 409.5 MB). Free memory was 102.6 MB in the beginning and 456.3 MB in the end (delta: -353.7 MB). Peak memory consumption was 433.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:03,044 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-22 16:51:03,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.63 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 102.4 MB in the beginning and 172.9 MB in the end (delta: -70.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:03,045 INFO L168 Benchmark]: Boogie Preprocessor took 139.34 ms. Allocated memory is still 206.6 MB. Free memory was 172.9 MB in the beginning and 168.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:03,046 INFO L168 Benchmark]: RCFGBuilder took 1208.59 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 168.1 MB in the beginning and 177.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:03,047 INFO L168 Benchmark]: TraceAbstraction took 20908.11 ms. Allocated memory was 237.5 MB in the beginning and 550.5 MB in the end (delta: 313.0 MB). Free memory was 175.8 MB in the beginning and 456.3 MB in the end (delta: -280.5 MB). Peak memory consumption was 409.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:51:03,050 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 842.63 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 102.4 MB in the beginning and 172.9 MB in the end (delta: -70.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.34 ms. Allocated memory is still 206.6 MB. Free memory was 172.9 MB in the beginning and 168.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1208.59 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 168.1 MB in the beginning and 177.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20908.11 ms. Allocated memory was 237.5 MB in the beginning and 550.5 MB in the end (delta: 313.0 MB). Free memory was 175.8 MB in the beginning and 456.3 MB in the end (delta: -280.5 MB). Peak memory consumption was 409.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a19 <= 0 && a25 == 1) && a17 <= 8) && a28 <= 10)) || !(\old(a25) <= 0)) || (((a19 == 1 && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8)) || ((((a19 == 1 && 10 <= a28) && a17 <= 8) && a28 <= 10) && !(a25 == 1))) || (((a19 <= 0 && a17 <= 8) && a25 <= 0) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.2s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 543 SDtfs, 4293 SDslu, 503 SDs, 0 SdLazy, 8926 SolverSat, 1514 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1339 GetRequests, 1238 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3117occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 698 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 98 PreInvPairs, 142 NumberOfFragments, 563 HoareAnnotationTreeSize, 98 FomulaSimplifications, 16525 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2444 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2623 NumberOfCodeBlocks, 2623 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2609 ConstructedInterpolants, 0 QuantifiedInterpolants, 1314091 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2775 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1016/1120 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...