/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:29:37,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 23:29:37,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 23:29:37,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 23:29:37,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 23:29:37,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 23:29:37,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 23:29:37,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 23:29:37,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 23:29:37,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 23:29:37,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 23:29:37,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 23:29:37,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:29:37,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:29:37,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:29:37,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:29:37,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:29:37,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:29:37,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:29:37,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:29:37,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:29:37,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:29:37,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:29:37,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:29:37,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 23:29:37,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 23:29:37,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 23:29:37,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 23:29:37,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 23:29:37,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 23:29:37,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 23:29:37,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 23:29:37,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 23:29:37,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 23:29:37,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 23:29:37,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 23:29:37,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 23:29:37,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 23:29:37,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:29:37,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:29:37,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:29:37,556 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 [2020-07-19 23:29:37,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:29:37,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:29:37,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:29:37,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:29:37,597 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:29:37,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:29:37,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:29:37,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:29:37,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:29:37,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:29:37,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:29:37,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:29:37,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:29:37,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:29:37,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:29:37,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:29:37,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:29:37,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:29:37,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:29:37,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:29:37,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:29:37,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:29:37,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:29:37,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:29:37,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:29:37,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:29:37,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:29:37,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:29:37,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:29:37,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:29:37,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:29:37,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:29:37,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:29:37,917 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:29:37,918 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:29:37,920 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-07-19 23:29:37,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd54144f9/26c19276e2cb4ae69affb854af513c6f/FLAGf2aae5ee7 [2020-07-19 23:29:38,521 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:29:38,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-07-19 23:29:38,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd54144f9/26c19276e2cb4ae69affb854af513c6f/FLAGf2aae5ee7 [2020-07-19 23:29:38,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd54144f9/26c19276e2cb4ae69affb854af513c6f [2020-07-19 23:29:38,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:29:38,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:29:38,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:29:38,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:29:38,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:29:38,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:38" (1/1) ... [2020-07-19 23:29:38,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b587bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:38, skipping insertion in model container [2020-07-19 23:29:38,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:38" (1/1) ... [2020-07-19 23:29:38,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:29:38,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:29:39,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:29:39,382 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:29:39,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:29:39,657 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:29:39,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39 WrapperNode [2020-07-19 23:29:39,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:29:39,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:29:39,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:29:39,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:29:39,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (1/1) ... [2020-07-19 23:29:39,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (1/1) ... [2020-07-19 23:29:39,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (1/1) ... [2020-07-19 23:29:39,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (1/1) ... [2020-07-19 23:29:39,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (1/1) ... [2020-07-19 23:29:39,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (1/1) ... [2020-07-19 23:29:39,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (1/1) ... [2020-07-19 23:29:39,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:29:39,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:29:39,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:29:39,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:29:39,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (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 [2020-07-19 23:29:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:29:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:29:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:29:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:29:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:29:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:29:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:29:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:29:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:29:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:29:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:29:41,236 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:29:41,237 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:29:41,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:41 BoogieIcfgContainer [2020-07-19 23:29:41,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:29:41,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:29:41,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:29:41,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:29:41,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:29:38" (1/3) ... [2020-07-19 23:29:41,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7cb952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:41, skipping insertion in model container [2020-07-19 23:29:41,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:39" (2/3) ... [2020-07-19 23:29:41,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7cb952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:41, skipping insertion in model container [2020-07-19 23:29:41,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:41" (3/3) ... [2020-07-19 23:29:41,264 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2020-07-19 23:29:41,278 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:29:41,291 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:29:41,306 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:29:41,339 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:29:41,340 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:29:41,340 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:29:41,340 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:29:41,340 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:29:41,340 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:29:41,341 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:29:41,341 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:29:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-19 23:29:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 23:29:41,383 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:41,384 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] [2020-07-19 23:29:41,385 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:41,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:41,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1887592417, now seen corresponding path program 1 times [2020-07-19 23:29:41,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:41,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255034979] [2020-07-19 23:29:41,402 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ba1610 [2020-07-19 23:29:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:41,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255034979] [2020-07-19 23:29:41,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:29:41,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 23:29:41,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542564668] [2020-07-19 23:29:41,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:29:41,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:41,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:29:41,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:29:41,839 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-19 23:29:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:44,026 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-07-19 23:29:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:29:44,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 23:29:44,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:44,048 INFO L225 Difference]: With dead ends: 730 [2020-07-19 23:29:44,049 INFO L226 Difference]: Without dead ends: 447 [2020-07-19 23:29:44,058 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 [2020-07-19 23:29:44,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-19 23:29:44,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-07-19 23:29:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-19 23:29:44,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 610 transitions. [2020-07-19 23:29:44,157 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 610 transitions. Word has length 60 [2020-07-19 23:29:44,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:44,158 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 610 transitions. [2020-07-19 23:29:44,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:29:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 610 transitions. [2020-07-19 23:29:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-19 23:29:44,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:44,167 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:29:44,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:29:44,168 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:44,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:44,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1755085907, now seen corresponding path program 1 times [2020-07-19 23:29:44,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:44,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129524593] [2020-07-19 23:29:44,169 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ba1610 [2020-07-19 23:29:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:44,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129524593] [2020-07-19 23:29:44,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:29:44,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 23:29:44,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510896567] [2020-07-19 23:29:44,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 23:29:44,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:44,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 23:29:44,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:29:44,666 INFO L87 Difference]: Start difference. First operand 443 states and 610 transitions. Second operand 7 states. [2020-07-19 23:29:46,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:46,019 INFO L93 Difference]: Finished difference Result 1037 states and 1405 transitions. [2020-07-19 23:29:46,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 23:29:46,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 147 [2020-07-19 23:29:46,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:46,025 INFO L225 Difference]: With dead ends: 1037 [2020-07-19 23:29:46,026 INFO L226 Difference]: Without dead ends: 600 [2020-07-19 23:29:46,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:29:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-07-19 23:29:46,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 592. [2020-07-19 23:29:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-07-19 23:29:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 778 transitions. [2020-07-19 23:29:46,067 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 778 transitions. Word has length 147 [2020-07-19 23:29:46,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:46,068 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 778 transitions. [2020-07-19 23:29:46,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 23:29:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 778 transitions. [2020-07-19 23:29:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-19 23:29:46,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:46,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:46,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 23:29:46,072 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:46,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:46,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1888530915, now seen corresponding path program 1 times [2020-07-19 23:29:46,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:46,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683299754] [2020-07-19 23:29:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ba1610 [2020-07-19 23:29:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:46,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683299754] [2020-07-19 23:29:46,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:29:46,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:29:46,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447652844] [2020-07-19 23:29:46,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:29:46,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:46,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:29:46,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:46,334 INFO L87 Difference]: Start difference. First operand 592 states and 778 transitions. Second operand 8 states. [2020-07-19 23:29:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:47,882 INFO L93 Difference]: Finished difference Result 1375 states and 1935 transitions. [2020-07-19 23:29:47,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:29:47,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-07-19 23:29:47,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:47,891 INFO L225 Difference]: With dead ends: 1375 [2020-07-19 23:29:47,891 INFO L226 Difference]: Without dead ends: 932 [2020-07-19 23:29:47,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:29:47,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-07-19 23:29:47,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 900. [2020-07-19 23:29:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-07-19 23:29:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1125 transitions. [2020-07-19 23:29:47,945 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1125 transitions. Word has length 155 [2020-07-19 23:29:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:47,946 INFO L479 AbstractCegarLoop]: Abstraction has 900 states and 1125 transitions. [2020-07-19 23:29:47,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:29:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1125 transitions. [2020-07-19 23:29:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-19 23:29:47,950 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:47,951 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:47,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 23:29:47,951 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:47,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:47,952 INFO L82 PathProgramCache]: Analyzing trace with hash -183474262, now seen corresponding path program 1 times [2020-07-19 23:29:47,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:47,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460613526] [2020-07-19 23:29:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ba1610 [2020-07-19 23:29:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-19 23:29:48,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460613526] [2020-07-19 23:29:48,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813933399] [2020-07-19 23:29:48,269 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e845247 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:48,496 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e845247 issued 4 check-sat command(s) [2020-07-19 23:29:48,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:48,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:29:48,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-19 23:29:48,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:29:48,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-19 23:29:48,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660231259] [2020-07-19 23:29:48,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:29:48,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:48,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:29:48,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:48,695 INFO L87 Difference]: Start difference. First operand 900 states and 1125 transitions. Second operand 3 states. [2020-07-19 23:29:49,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:49,516 INFO L93 Difference]: Finished difference Result 1341 states and 1715 transitions. [2020-07-19 23:29:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:29:49,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-07-19 23:29:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:49,533 INFO L225 Difference]: With dead ends: 1341 [2020-07-19 23:29:49,533 INFO L226 Difference]: Without dead ends: 1339 [2020-07-19 23:29:49,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:29:49,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-07-19 23:29:49,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1047. [2020-07-19 23:29:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-07-19 23:29:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1338 transitions. [2020-07-19 23:29:49,574 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1338 transitions. Word has length 217 [2020-07-19 23:29:49,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:49,575 INFO L479 AbstractCegarLoop]: Abstraction has 1047 states and 1338 transitions. [2020-07-19 23:29:49,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:29:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1338 transitions. [2020-07-19 23:29:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-07-19 23:29:49,581 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:49,581 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:49,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:49,797 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:49,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:49,797 INFO L82 PathProgramCache]: Analyzing trace with hash -937631138, now seen corresponding path program 1 times [2020-07-19 23:29:49,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:49,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12384720] [2020-07-19 23:29:49,798 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ba1610 [2020-07-19 23:29:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-19 23:29:50,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12384720] [2020-07-19 23:29:50,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214546617] [2020-07-19 23:29:50,211 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61a1c581 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 [2020-07-19 23:29:50,356 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@61a1c581 issued 4 check-sat command(s) [2020-07-19 23:29:50,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:50,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:29:50,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:50,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:29:50,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2020-07-19 23:29:50,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323406486] [2020-07-19 23:29:50,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 23:29:50,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:50,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 23:29:50,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-07-19 23:29:50,513 INFO L87 Difference]: Start difference. First operand 1047 states and 1338 transitions. Second operand 12 states. [2020-07-19 23:29:55,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:29:55,510 INFO L93 Difference]: Finished difference Result 3767 states and 5338 transitions. [2020-07-19 23:29:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-19 23:29:55,511 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 271 [2020-07-19 23:29:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:29:55,536 INFO L225 Difference]: With dead ends: 3767 [2020-07-19 23:29:55,536 INFO L226 Difference]: Without dead ends: 2869 [2020-07-19 23:29:55,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=356, Invalid=1714, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 23:29:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2020-07-19 23:29:55,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2533. [2020-07-19 23:29:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2533 states. [2020-07-19 23:29:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 3169 transitions. [2020-07-19 23:29:55,659 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 3169 transitions. Word has length 271 [2020-07-19 23:29:55,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:29:55,660 INFO L479 AbstractCegarLoop]: Abstraction has 2533 states and 3169 transitions. [2020-07-19 23:29:55,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 23:29:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3169 transitions. [2020-07-19 23:29:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-07-19 23:29:55,668 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:29:55,669 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:29:55,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:55,883 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:29:55,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:29:55,884 INFO L82 PathProgramCache]: Analyzing trace with hash 120161731, now seen corresponding path program 1 times [2020-07-19 23:29:55,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:29:55,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004240268] [2020-07-19 23:29:55,886 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ba1610 [2020-07-19 23:29:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:29:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 110 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:29:56,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004240268] [2020-07-19 23:29:56,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392650415] [2020-07-19 23:29:56,407 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1571edba No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:29:56,571 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1571edba issued 4 check-sat command(s) [2020-07-19 23:29:56,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:29:56,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:29:56,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:29:56,744 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:29:56,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:29:56,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2020-07-19 23:29:56,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060657988] [2020-07-19 23:29:56,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-19 23:29:56,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:29:56,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-19 23:29:56,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:29:56,747 INFO L87 Difference]: Start difference. First operand 2533 states and 3169 transitions. Second operand 13 states. [2020-07-19 23:30:01,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:01,891 INFO L93 Difference]: Finished difference Result 7119 states and 9127 transitions. [2020-07-19 23:30:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-19 23:30:01,892 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 280 [2020-07-19 23:30:01,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:01,918 INFO L225 Difference]: With dead ends: 7119 [2020-07-19 23:30:01,919 INFO L226 Difference]: Without dead ends: 3540 [2020-07-19 23:30:01,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2020-07-19 23:30:01,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2020-07-19 23:30:02,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 2672. [2020-07-19 23:30:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2672 states. [2020-07-19 23:30:02,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3299 transitions. [2020-07-19 23:30:02,106 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3299 transitions. Word has length 280 [2020-07-19 23:30:02,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:02,107 INFO L479 AbstractCegarLoop]: Abstraction has 2672 states and 3299 transitions. [2020-07-19 23:30:02,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-19 23:30:02,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3299 transitions. [2020-07-19 23:30:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-07-19 23:30:02,118 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:02,118 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:30:02,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:02,334 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:02,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:02,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1088611893, now seen corresponding path program 1 times [2020-07-19 23:30:02,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:02,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58957027] [2020-07-19 23:30:02,336 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@30ba1610 [2020-07-19 23:30:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-07-19 23:30:02,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58957027] [2020-07-19 23:30:02,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857854795] [2020-07-19 23:30:02,642 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@72cdf148 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 [2020-07-19 23:30:02,809 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@72cdf148 issued 4 check-sat command(s) [2020-07-19 23:30:02,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:30:02,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:30:02,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:30:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-07-19 23:30:02,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:30:02,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 23:30:02,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289915116] [2020-07-19 23:30:02,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:30:02,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:02,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:30:02,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:30:02,948 INFO L87 Difference]: Start difference. First operand 2672 states and 3299 transitions. Second operand 3 states. [2020-07-19 23:30:03,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:03,420 INFO L93 Difference]: Finished difference Result 2672 states and 3299 transitions. [2020-07-19 23:30:03,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:30:03,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2020-07-19 23:30:03,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:03,423 INFO L225 Difference]: With dead ends: 2672 [2020-07-19 23:30:03,424 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:30:03,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:30:03,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:30:03,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:30:03,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:30:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:30:03,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2020-07-19 23:30:03,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:03,434 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:30:03,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:30:03,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:30:03,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:30:03,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:03,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:30:04,059 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 99 [2020-07-19 23:30:04,213 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 99 [2020-07-19 23:30:04,834 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 33 [2020-07-19 23:30:05,013 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 39 [2020-07-19 23:30:05,175 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 39 [2020-07-19 23:30:05,180 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:30:05,180 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-19 23:30:05,181 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:30:05,181 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-19 23:30:05,181 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,181 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,181 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,181 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,181 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,182 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,182 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-19 23:30:05,182 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-19 23:30:05,182 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 23:30:05,183 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 23:30:05,184 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 23:30:05,184 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-19 23:30:05,184 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-19 23:30:05,184 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-19 23:30:05,184 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-19 23:30:05,184 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-19 23:30:05,184 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-19 23:30:05,185 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,185 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,185 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,185 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,185 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,191 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-19 23:30:05,192 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-19 23:30:05,192 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-19 23:30:05,192 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-19 23:30:05,192 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 23:30:05,192 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 23:30:05,192 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-19 23:30:05,192 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-19 23:30:05,193 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-19 23:30:05,193 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-19 23:30:05,193 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-19 23:30:05,193 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-19 23:30:05,193 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-19 23:30:05,193 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2020-07-19 23:30:05,194 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-19 23:30:05,194 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,194 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,194 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,194 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,196 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,196 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-19 23:30:05,197 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 23:30:05,197 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-19 23:30:05,197 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-19 23:30:05,197 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-19 23:30:05,197 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-19 23:30:05,197 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-19 23:30:05,197 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-19 23:30:05,198 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-19 23:30:05,198 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-19 23:30:05,198 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,198 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,198 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,198 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,198 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,198 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-19 23:30:05,199 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-19 23:30:05,199 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-19 23:30:05,199 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-19 23:30:05,199 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-19 23:30:05,203 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-19 23:30:05,203 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-19 23:30:05,204 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-19 23:30:05,204 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-19 23:30:05,204 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-19 23:30:05,204 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-19 23:30:05,204 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-19 23:30:05,204 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-19 23:30:05,204 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 23:30:05,205 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-19 23:30:05,206 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-19 23:30:05,206 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-19 23:30:05,206 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-19 23:30:05,206 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-19 23:30:05,206 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,207 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,208 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,208 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,208 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,208 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,208 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,208 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-19 23:30:05,208 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-19 23:30:05,209 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-19 23:30:05,209 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-19 23:30:05,209 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 23:30:05,209 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-19 23:30:05,209 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 23:30:05,209 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 23:30:05,209 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-19 23:30:05,209 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-19 23:30:05,210 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-19 23:30:05,210 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-19 23:30:05,210 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-19 23:30:05,210 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,210 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,210 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,210 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,211 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-19 23:30:05,211 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,211 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,211 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-19 23:30:05,211 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-19 23:30:05,212 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-19 23:30:05,213 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 23:30:05,213 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-19 23:30:05,213 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-19 23:30:05,213 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 23:30:05,213 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-19 23:30:05,214 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-19 23:30:05,214 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-19 23:30:05,214 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-19 23:30:05,215 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-19 23:30:05,215 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-19 23:30:05,215 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,215 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,215 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,215 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,215 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,216 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,216 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-19 23:30:05,216 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-19 23:30:05,216 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-19 23:30:05,216 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-19 23:30:05,216 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 23:30:05,216 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 23:30:05,217 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 23:30:05,217 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-19 23:30:05,217 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-19 23:30:05,217 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-19 23:30:05,217 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-19 23:30:05,217 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (= 9 |old(~a19~0)|)) .cse0) (or (= 4 |old(~a10~0)|) .cse0) (or (not (<= (+ |old(~a1~0)| 45481) 0)) (not (<= |old(~a19~0)| 9)) .cse0) (or (not (<= |old(~a19~0)| 8)) (not (<= 8 |old(~a19~0)|)) .cse0))) [2020-07-19 23:30:05,218 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-19 23:30:05,218 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-19 23:30:05,218 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-19 23:30:05,218 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,218 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,218 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,219 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,220 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,220 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,220 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-19 23:30:05,221 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 23:30:05,221 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 23:30:05,221 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 23:30:05,221 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-19 23:30:05,221 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-19 23:30:05,221 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-19 23:30:05,221 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-19 23:30:05,222 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-19 23:30:05,222 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-19 23:30:05,222 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-19 23:30:05,222 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-19 23:30:05,222 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-19 23:30:05,222 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,222 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,222 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,223 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,223 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,224 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,225 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-19 23:30:05,225 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-19 23:30:05,225 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-19 23:30:05,225 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-19 23:30:05,225 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 23:30:05,225 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 23:30:05,227 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-19 23:30:05,227 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-19 23:30:05,227 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-19 23:30:05,227 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-19 23:30:05,227 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-19 23:30:05,228 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-19 23:30:05,228 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,228 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,229 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,229 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,229 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,229 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:30:05,229 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-19 23:30:05,229 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-19 23:30:05,229 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-19 23:30:05,229 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-19 23:30:05,230 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 23:30:05,230 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 23:30:05,230 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 23:30:05,230 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-19 23:30:05,230 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-19 23:30:05,230 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-19 23:30:05,230 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-19 23:30:05,230 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-19 23:30:05,231 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:30:05,231 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-19 23:30:05,231 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:30:05,231 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:30:05,231 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-19 23:30:05,231 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-19 23:30:05,232 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (not (= 4 ~a10~0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (and .cse0 (<= (+ ~a1~0 45481) 0)) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (and .cse0 (<= 8 ~a19~0)) (not (= 14 ~a4~0)) (= ~a19~0 |old(~a19~0)|) (not (<= |old(~a19~0)| 9)))) [2020-07-19 23:30:05,232 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-19 23:30:05,232 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-19 23:30:05,232 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (not (= 4 ~a10~0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (and .cse0 (<= (+ ~a1~0 45481) 0)) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (and .cse0 (<= 8 ~a19~0)) (not (= 14 ~a4~0)) (= ~a19~0 |old(~a19~0)|) (not (<= |old(~a19~0)| 9)))) [2020-07-19 23:30:05,232 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-19 23:30:05,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:30:05 BoogieIcfgContainer [2020-07-19 23:30:05,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:30:05,261 INFO L168 Benchmark]: Toolchain (without parser) took 26497.49 ms. Allocated memory was 138.9 MB in the beginning and 590.3 MB in the end (delta: 451.4 MB). Free memory was 102.1 MB in the beginning and 225.8 MB in the end (delta: -123.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:05,262 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-19 23:30:05,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 893.48 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 101.7 MB in the beginning and 170.9 MB in the end (delta: -69.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:05,264 INFO L168 Benchmark]: Boogie Preprocessor took 158.05 ms. Allocated memory is still 206.0 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:05,268 INFO L168 Benchmark]: RCFGBuilder took 1432.81 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 182.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:05,269 INFO L168 Benchmark]: TraceAbstraction took 24006.20 ms. Allocated memory was 239.6 MB in the beginning and 590.3 MB in the end (delta: 350.7 MB). Free memory was 182.3 MB in the beginning and 225.8 MB in the end (delta: -43.5 MB). Peak memory consumption was 307.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:30:05,281 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 893.48 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 101.7 MB in the beginning and 170.9 MB in the end (delta: -69.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.05 ms. Allocated memory is still 206.0 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1432.81 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 182.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24006.20 ms. Allocated memory was 239.6 MB in the beginning and 590.3 MB in the end (delta: 350.7 MB). Free memory was 182.3 MB in the beginning and 225.8 MB in the end (delta: -43.5 MB). Peak memory consumption was 307.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((!(4 == a10) || !(23 <= \old(a1))) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || (a19 <= 8 && a1 + 45481 <= 0)) || !(9 <= \old(a19))) || !(0 == a12)) || (a19 <= 8 && 8 <= a19)) || !(14 == a4)) || a19 == \old(a19)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.3s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 195 SDtfs, 4412 SDslu, 361 SDs, 0 SdLazy, 9800 SolverSat, 2035 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1246 GetRequests, 1132 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2672occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1540 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 119 NumberOfFragments, 267 HoareAnnotationTreeSize, 63 FomulaSimplifications, 8776 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3387 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2530 NumberOfCodeBlocks, 2530 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2519 ConstructedInterpolants, 0 QuantifiedInterpolants, 1368517 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1786 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 1532/1622 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...