/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_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:07:35,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:07:35,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:07:35,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:07:35,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:07:35,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:07:35,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:07:35,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:07:35,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:07:35,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:07:35,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:07:35,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:07:35,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:07:35,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:07:35,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:07:35,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:07:35,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:07:35,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:07:35,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:07:35,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:07:35,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:07:35,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:07:35,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:07:35,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:07:35,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 12:07:35,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 12:07:36,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 12:07:36,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 12:07:36,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 12:07:36,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 12:07:36,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 12:07:36,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 12:07:36,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 12:07:36,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 12:07:36,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 12:07:36,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 12:07:36,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 12:07:36,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 12:07:36,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:07:36,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:07:36,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:07:36,009 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 [2020-07-17 12:07:36,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:07:36,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:07:36,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:07:36,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:07:36,032 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:07:36,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:07:36,032 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:07:36,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:07:36,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:07:36,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:07:36,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:07:36,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:07:36,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:07:36,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:07:36,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:07:36,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:07:36,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:07:36,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:07:36,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:07:36,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:07:36,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:07:36,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:07:36,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:07:36,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:07:36,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:07:36,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:07:36,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:07:36,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:07:36,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:07:36,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:07:36,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:07:36,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:07:36,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:07:36,364 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:07:36,364 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:07:36,365 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-07-17 12:07:36,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dc56125/b7d94c516c8245809fb2dda70a17eb26/FLAG2393afaf9 [2020-07-17 12:07:36,952 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:07:36,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-07-17 12:07:36,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dc56125/b7d94c516c8245809fb2dda70a17eb26/FLAG2393afaf9 [2020-07-17 12:07:37,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dc56125/b7d94c516c8245809fb2dda70a17eb26 [2020-07-17 12:07:37,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:07:37,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:07:37,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:07:37,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:07:37,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:07:37,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:07:37" (1/1) ... [2020-07-17 12:07:37,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e8532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:37, skipping insertion in model container [2020-07-17 12:07:37,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:07:37" (1/1) ... [2020-07-17 12:07:37,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:07:37,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:07:37,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:07:37,960 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:07:38,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:07:38,123 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:07:38,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38 WrapperNode [2020-07-17 12:07:38,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:07:38,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:07:38,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:07:38,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:07:38,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (1/1) ... [2020-07-17 12:07:38,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (1/1) ... [2020-07-17 12:07:38,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (1/1) ... [2020-07-17 12:07:38,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (1/1) ... [2020-07-17 12:07:38,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (1/1) ... [2020-07-17 12:07:38,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (1/1) ... [2020-07-17 12:07:38,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (1/1) ... [2020-07-17 12:07:38,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:07:38,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:07:38,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:07:38,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:07:38,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (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 [2020-07-17 12:07:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:07:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:07:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:07:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:07:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:07:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:07:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:07:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:07:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:07:39,603 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:07:39,603 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:07:39,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:07:39 BoogieIcfgContainer [2020-07-17 12:07:39,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:07:39,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:07:39,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:07:39,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:07:39,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:07:37" (1/3) ... [2020-07-17 12:07:39,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6322e9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:07:39, skipping insertion in model container [2020-07-17 12:07:39,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:38" (2/3) ... [2020-07-17 12:07:39,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6322e9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:07:39, skipping insertion in model container [2020-07-17 12:07:39,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:07:39" (3/3) ... [2020-07-17 12:07:39,623 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2020-07-17 12:07:39,634 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:07:39,642 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:07:39,655 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:07:39,682 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:07:39,682 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:07:39,682 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:07:39,682 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:07:39,684 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:07:39,684 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:07:39,684 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:07:39,684 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:07:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-17 12:07:39,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 12:07:39,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:39,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:39,727 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:39,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:39,734 INFO L82 PathProgramCache]: Analyzing trace with hash 231210793, now seen corresponding path program 1 times [2020-07-17 12:07:39,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:39,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533517746] [2020-07-17 12:07:39,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:40,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533517746] [2020-07-17 12:07:40,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:07:40,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:07:40,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533046830] [2020-07-17 12:07:40,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:07:40,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:40,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:07:40,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:07:40,396 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-17 12:07:42,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:42,699 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-07-17 12:07:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:07:42,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-07-17 12:07:42,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:42,722 INFO L225 Difference]: With dead ends: 813 [2020-07-17 12:07:42,722 INFO L226 Difference]: Without dead ends: 488 [2020-07-17 12:07:42,731 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 [2020-07-17 12:07:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-07-17 12:07:42,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-07-17 12:07:42,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-07-17 12:07:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-07-17 12:07:42,851 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 143 [2020-07-17 12:07:42,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:42,853 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-07-17 12:07:42,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:07:42,853 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-07-17 12:07:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-17 12:07:42,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:42,861 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:42,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:07:42,862 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:42,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:42,867 INFO L82 PathProgramCache]: Analyzing trace with hash 703690926, now seen corresponding path program 1 times [2020-07-17 12:07:42,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:42,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266711864] [2020-07-17 12:07:42,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:43,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266711864] [2020-07-17 12:07:43,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131634540] [2020-07-17 12:07:43,323 INFO L94 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 [2020-07-17 12:07:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:43,430 INFO L264 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:07:43,442 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:07:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:43,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:07:43,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-17 12:07:43,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661691156] [2020-07-17 12:07:43,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:07:43,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:43,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:07:43,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:07:43,566 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2020-07-17 12:07:44,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:44,229 INFO L93 Difference]: Finished difference Result 1395 states and 2042 transitions. [2020-07-17 12:07:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:07:44,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-07-17 12:07:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:44,243 INFO L225 Difference]: With dead ends: 1395 [2020-07-17 12:07:44,243 INFO L226 Difference]: Without dead ends: 920 [2020-07-17 12:07:44,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:07:44,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-07-17 12:07:44,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-07-17 12:07:44,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-17 12:07:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1268 transitions. [2020-07-17 12:07:44,298 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1268 transitions. Word has length 151 [2020-07-17 12:07:44,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:44,299 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1268 transitions. [2020-07-17 12:07:44,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:07:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1268 transitions. [2020-07-17 12:07:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-17 12:07:44,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:44,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:44,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-17 12:07:44,522 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:44,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:44,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1318962261, now seen corresponding path program 1 times [2020-07-17 12:07:44,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:44,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604848099] [2020-07-17 12:07:44,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:44,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604848099] [2020-07-17 12:07:44,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203005274] [2020-07-17 12:07:44,915 INFO L94 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 [2020-07-17 12:07:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:45,026 INFO L264 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:07:45,032 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:07:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:45,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:07:45,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-17 12:07:45,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892911270] [2020-07-17 12:07:45,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:07:45,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:45,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:07:45,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:07:45,089 INFO L87 Difference]: Start difference. First operand 920 states and 1268 transitions. Second operand 3 states. [2020-07-17 12:07:45,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:45,755 INFO L93 Difference]: Finished difference Result 2274 states and 3211 transitions. [2020-07-17 12:07:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:07:45,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-07-17 12:07:45,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:45,791 INFO L225 Difference]: With dead ends: 2274 [2020-07-17 12:07:45,791 INFO L226 Difference]: Without dead ends: 1360 [2020-07-17 12:07:45,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:07:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2020-07-17 12:07:45,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1356. [2020-07-17 12:07:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1356 states. [2020-07-17 12:07:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1897 transitions. [2020-07-17 12:07:45,845 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1897 transitions. Word has length 167 [2020-07-17 12:07:45,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:45,846 INFO L479 AbstractCegarLoop]: Abstraction has 1356 states and 1897 transitions. [2020-07-17 12:07:45,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:07:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1897 transitions. [2020-07-17 12:07:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-17 12:07:45,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:45,854 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:46,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:46,069 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:46,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:46,069 INFO L82 PathProgramCache]: Analyzing trace with hash -2041264523, now seen corresponding path program 1 times [2020-07-17 12:07:46,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:46,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487375526] [2020-07-17 12:07:46,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 12:07:46,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487375526] [2020-07-17 12:07:46,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115209882] [2020-07-17 12:07:46,370 INFO L94 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 [2020-07-17 12:07:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:46,525 INFO L264 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:07:46,531 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:07:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:46,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:07:46,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-17 12:07:46,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701455473] [2020-07-17 12:07:46,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 12:07:46,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:46,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 12:07:46,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-17 12:07:46,708 INFO L87 Difference]: Start difference. First operand 1356 states and 1897 transitions. Second operand 11 states. [2020-07-17 12:07:48,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:48,454 INFO L93 Difference]: Finished difference Result 2866 states and 4091 transitions. [2020-07-17 12:07:48,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 12:07:48,455 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2020-07-17 12:07:48,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:48,456 INFO L225 Difference]: With dead ends: 2866 [2020-07-17 12:07:48,456 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:07:48,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-07-17 12:07:48,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:07:48,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:07:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:07:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:07:48,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2020-07-17 12:07:48,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:48,467 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:07:48,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 12:07:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:07:48,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:07:48,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:48,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:07:49,101 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 31 [2020-07-17 12:07:49,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:07:49,249 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-17 12:07:49,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:07:49,250 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,250 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,251 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,251 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,251 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,251 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-17 12:07:49,251 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-17 12:07:49,251 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-17 12:07:49,252 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-17 12:07:49,252 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-17 12:07:49,252 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-17 12:07:49,252 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-17 12:07:49,252 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-17 12:07:49,252 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-17 12:07:49,253 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-17 12:07:49,253 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-17 12:07:49,253 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-17 12:07:49,253 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-17 12:07:49,253 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,253 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,254 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,254 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,255 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-17 12:07:49,255 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,255 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-17 12:07:49,255 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-17 12:07:49,255 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-17 12:07:49,256 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-17 12:07:49,256 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-17 12:07:49,256 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-17 12:07:49,257 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-17 12:07:49,258 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-17 12:07:49,258 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-17 12:07:49,258 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-17 12:07:49,258 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-17 12:07:49,258 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-17 12:07:49,259 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-17 12:07:49,259 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-17 12:07:49,263 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-17 12:07:49,264 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,265 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,265 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,265 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,265 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,265 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2020-07-17 12:07:49,266 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-17 12:07:49,266 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-17 12:07:49,266 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-17 12:07:49,266 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-17 12:07:49,266 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-17 12:07:49,266 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-17 12:07:49,267 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-17 12:07:49,267 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-17 12:07:49,267 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-17 12:07:49,267 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-17 12:07:49,267 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-17 12:07:49,275 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,275 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,275 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,275 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,275 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,275 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-17 12:07:49,275 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-17 12:07:49,276 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-17 12:07:49,276 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-17 12:07:49,276 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-17 12:07:49,276 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-17 12:07:49,276 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-17 12:07:49,276 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-17 12:07:49,276 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-17 12:07:49,277 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-17 12:07:49,277 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-17 12:07:49,277 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-17 12:07:49,277 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-17 12:07:49,280 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,281 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,281 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,281 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,281 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,281 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-17 12:07:49,281 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-17 12:07:49,281 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-17 12:07:49,282 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-17 12:07:49,282 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-17 12:07:49,282 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-17 12:07:49,282 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-17 12:07:49,282 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-17 12:07:49,284 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-17 12:07:49,284 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-17 12:07:49,285 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-17 12:07:49,285 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-17 12:07:49,285 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-17 12:07:49,285 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-17 12:07:49,285 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-17 12:07:49,285 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-17 12:07:49,285 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,286 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,286 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,286 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,286 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-17 12:07:49,286 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,286 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-17 12:07:49,287 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,287 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-17 12:07:49,287 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-17 12:07:49,287 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-17 12:07:49,287 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,287 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,287 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-17 12:07:49,288 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-17 12:07:49,288 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-17 12:07:49,288 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-17 12:07:49,288 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-17 12:07:49,288 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-17 12:07:49,288 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-17 12:07:49,289 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-17 12:07:49,289 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-17 12:07:49,289 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-17 12:07:49,289 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-17 12:07:49,289 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,289 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,290 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,290 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,290 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,290 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,290 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-17 12:07:49,290 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-17 12:07:49,290 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-17 12:07:49,291 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-17 12:07:49,291 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-17 12:07:49,291 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-17 12:07:49,291 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-17 12:07:49,291 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-17 12:07:49,291 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-17 12:07:49,292 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-17 12:07:49,292 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-17 12:07:49,292 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,292 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,292 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,292 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,292 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,293 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,293 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-17 12:07:49,293 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-17 12:07:49,293 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-17 12:07:49,293 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-17 12:07:49,293 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-17 12:07:49,294 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-17 12:07:49,294 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-17 12:07:49,294 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-17 12:07:49,294 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-17 12:07:49,294 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-17 12:07:49,294 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-17 12:07:49,294 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-17 12:07:49,295 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-17 12:07:49,295 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-17 12:07:49,295 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,295 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,295 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,298 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= ~a19~0 |old(~a19~0)|)) (.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|))) (and (or (not (<= |old(~a28~0)| 10)) (and .cse0 (= ~a17~0 |old(~a17~0)|) .cse1 .cse2 .cse3) (not (<= |old(~a17~0)| 8))) (or (not (= 8 |old(~a17~0)|)) (= 1 |old(~a11~0)|) (and .cse0 .cse1 .cse2 (= 8 ~a17~0) .cse3)))) [2020-07-17 12:07:49,298 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,298 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,298 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,298 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-17 12:07:49,300 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-17 12:07:49,304 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-17 12:07:49,304 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-17 12:07:49,304 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-17 12:07:49,304 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-17 12:07:49,304 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-17 12:07:49,305 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-17 12:07:49,305 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-17 12:07:49,305 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-17 12:07:49,305 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-17 12:07:49,305 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-17 12:07:49,305 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-17 12:07:49,305 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,306 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,306 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,309 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,309 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,309 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-17 12:07:49,310 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-17 12:07:49,311 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-17 12:07:49,311 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-17 12:07:49,311 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-17 12:07:49,311 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-17 12:07:49,311 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,311 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,311 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,311 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,312 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:49,312 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-17 12:07:49,313 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-17 12:07:49,313 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-17 12:07:49,313 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-17 12:07:49,313 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-17 12:07:49,313 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-17 12:07:49,313 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-17 12:07:49,313 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-17 12:07:49,313 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-17 12:07:49,314 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-17 12:07:49,315 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-17 12:07:49,315 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:07:49,315 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (<= ~a28~0 9) (= 8 ~a17~0)) [2020-07-17 12:07:49,315 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:07:49,315 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:07:49,315 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 9)) (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= 8 ~a17~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0))) [2020-07-17 12:07:49,316 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (and (<= ~a17~0 8) (<= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 9)) (and (not (= 1 ~a11~0)) (= 8 ~a17~0)) (not (<= |old(~a11~0)| 0))) [2020-07-17 12:07:49,316 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-17 12:07:49,316 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-17 12:07:49,316 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (and (<= ~a17~0 8) (<= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 9)) (and (not (= 1 ~a11~0)) (= 8 ~a17~0)) (not (<= |old(~a11~0)| 0))) [2020-07-17 12:07:49,316 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-17 12:07:49,316 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-17 12:07:49,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:07:49 BoogieIcfgContainer [2020-07-17 12:07:49,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:07:49,343 INFO L168 Benchmark]: Toolchain (without parser) took 12050.84 ms. Allocated memory was 137.4 MB in the beginning and 387.4 MB in the end (delta: 250.1 MB). Free memory was 100.8 MB in the beginning and 269.0 MB in the end (delta: -168.2 MB). Peak memory consumption was 268.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:49,345 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 12:07:49,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.48 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 100.4 MB in the beginning and 170.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:49,352 INFO L168 Benchmark]: Boogie Preprocessor took 107.00 ms. Allocated memory is still 203.9 MB. Free memory was 170.5 MB in the beginning and 165.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:49,353 INFO L168 Benchmark]: RCFGBuilder took 1381.84 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 165.3 MB in the beginning and 179.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:49,354 INFO L168 Benchmark]: TraceAbstraction took 9724.66 ms. Allocated memory was 234.4 MB in the beginning and 387.4 MB in the end (delta: 153.1 MB). Free memory was 179.8 MB in the beginning and 269.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 250.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:49,368 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 831.48 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 100.4 MB in the beginning and 170.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.00 ms. Allocated memory is still 203.9 MB. Free memory was 170.5 MB in the beginning and 165.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1381.84 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 165.3 MB in the beginning and 179.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9724.66 ms. Allocated memory was 234.4 MB in the beginning and 387.4 MB in the end (delta: 153.1 MB). Free memory was 179.8 MB in the beginning and 269.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 250.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: 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: ((((a17 <= 8 && a28 <= 10) || !(8 == \old(a17))) || !(\old(a28) <= 9)) || (!(1 == a11) && 8 == a17)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.0s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 188 SDtfs, 1803 SDslu, 99 SDs, 0 SdLazy, 2337 SolverSat, 901 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 591 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1356occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 73 NumberOfFragments, 198 HoareAnnotationTreeSize, 41 FomulaSimplifications, 836 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 834 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1235 NumberOfCodeBlocks, 1235 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1228 ConstructedInterpolants, 0 QuantifiedInterpolants, 983838 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1208 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 216/222 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...