/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:06:20,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 22:06:20,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 22:06:20,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 22:06:20,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 22:06:20,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 22:06:20,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 22:06:20,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 22:06:20,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 22:06:20,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 22:06:20,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 22:06:20,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 22:06:20,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:06:20,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:06:20,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:06:20,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:06:20,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:06:20,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:06:20,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:06:20,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:06:20,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:06:20,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:06:20,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:06:20,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:06:20,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 22:06:20,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 22:06:20,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 22:06:20,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 22:06:20,565 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 [2020-07-20 22:06:20,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:06:20,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:06:20,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:06:20,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:06:20,589 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:06:20,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:06:20,589 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:06:20,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:06:20,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:06:20,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:06:20,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:06:20,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:06:20,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:06:20,590 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:06:20,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:06:20,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:06:20,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:06:20,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:06:20,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:06:20,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:06:20,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:06:20,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:06:20,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:06:20,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:06:20,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:06:20,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:06:20,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:20,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:06:20,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:06:20,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE 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 [2020-07-20 22:06:20,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:06:20,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:06:20,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:06:20,889 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:06:20,890 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:06:20,890 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2020-07-20 22:06:20,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f59ae89/7c01504b3c34405f8095946a725b2141/FLAG92ac9d484 [2020-07-20 22:06:21,559 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:06:21,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2020-07-20 22:06:21,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f59ae89/7c01504b3c34405f8095946a725b2141/FLAG92ac9d484 [2020-07-20 22:06:21,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f59ae89/7c01504b3c34405f8095946a725b2141 [2020-07-20 22:06:21,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:06:21,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:06:21,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:06:21,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:06:21,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:06:21,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:06:21" (1/1) ... [2020-07-20 22:06:21,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b176a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:21, skipping insertion in model container [2020-07-20 22:06:21,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:06:21" (1/1) ... [2020-07-20 22:06:21,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:06:21,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:06:22,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:06:22,427 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:06:22,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:06:22,679 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:06:22,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22 WrapperNode [2020-07-20 22:06:22,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:06:22,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:06:22,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:06:22,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:06:22,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (1/1) ... [2020-07-20 22:06:22,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (1/1) ... [2020-07-20 22:06:22,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (1/1) ... [2020-07-20 22:06:22,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (1/1) ... [2020-07-20 22:06:22,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (1/1) ... [2020-07-20 22:06:22,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (1/1) ... [2020-07-20 22:06:22,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (1/1) ... [2020-07-20 22:06:22,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:06:22,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:06:22,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:06:22,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:06:22,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (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 [2020-07-20 22:06:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:06:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:06:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 22:06:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:06:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 22:06:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:06:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:06:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 22:06:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:06:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:06:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:06:24,285 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:06:24,286 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 22:06:24,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:06:24 BoogieIcfgContainer [2020-07-20 22:06:24,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:06:24,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:06:24,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:06:24,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:06:24,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:06:21" (1/3) ... [2020-07-20 22:06:24,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4898f735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:06:24, skipping insertion in model container [2020-07-20 22:06:24,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:06:22" (2/3) ... [2020-07-20 22:06:24,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4898f735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:06:24, skipping insertion in model container [2020-07-20 22:06:24,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:06:24" (3/3) ... [2020-07-20 22:06:24,306 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label07.c [2020-07-20 22:06:24,318 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:06:24,328 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:06:24,340 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:06:24,364 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:06:24,364 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:06:24,364 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:06:24,365 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:06:24,365 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:06:24,365 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:06:24,365 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:06:24,365 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:06:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 22:06:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 22:06:24,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:24,402 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] [2020-07-20 22:06:24,402 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:24,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:24,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1452048058, now seen corresponding path program 1 times [2020-07-20 22:06:24,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:24,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872566134] [2020-07-20 22:06:24,419 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:24,551 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:24,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:24,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:06:24,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:06:24,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:24,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872566134] [2020-07-20 22:06:24,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:24,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:06:24,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632156824] [2020-07-20 22:06:24,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:06:24,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:24,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:06:24,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:24,658 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-20 22:06:25,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:25,717 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-20 22:06:25,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:06:25,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 22:06:25,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:25,736 INFO L225 Difference]: With dead ends: 586 [2020-07-20 22:06:25,736 INFO L226 Difference]: Without dead ends: 294 [2020-07-20 22:06:25,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:25,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-20 22:06:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-20 22:06:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 22:06:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-20 22:06:25,821 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 51 [2020-07-20 22:06:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:25,822 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-20 22:06:25,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:06:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-20 22:06:25,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 22:06:25,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:25,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:06:26,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:26,042 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:26,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:26,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1838295646, now seen corresponding path program 1 times [2020-07-20 22:06:26,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:26,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500476307] [2020-07-20 22:06:26,045 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:26,147 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:26,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:26,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:06:26,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:06:26,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:26,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500476307] [2020-07-20 22:06:26,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:26,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:06:26,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716071384] [2020-07-20 22:06:26,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:06:26,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:26,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:06:26,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:26,215 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-20 22:06:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:26,926 INFO L93 Difference]: Finished difference Result 582 states and 894 transitions. [2020-07-20 22:06:26,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:06:26,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-07-20 22:06:26,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:26,943 INFO L225 Difference]: With dead ends: 582 [2020-07-20 22:06:26,943 INFO L226 Difference]: Without dead ends: 580 [2020-07-20 22:06:26,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:26,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-20 22:06:27,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 294. [2020-07-20 22:06:27,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 22:06:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-20 22:06:27,009 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 121 [2020-07-20 22:06:27,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:27,010 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-20 22:06:27,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:06:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-20 22:06:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 22:06:27,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:27,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:06:27,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:27,217 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:27,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:27,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1710375939, now seen corresponding path program 1 times [2020-07-20 22:06:27,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:27,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354498747] [2020-07-20 22:06:27,219 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:27,326 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:27,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:27,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:06:27,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:06:27,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:27,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354498747] [2020-07-20 22:06:27,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:27,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:06:27,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401264388] [2020-07-20 22:06:27,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:06:27,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:27,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:06:27,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:27,383 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-20 22:06:28,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:28,102 INFO L93 Difference]: Finished difference Result 582 states and 894 transitions. [2020-07-20 22:06:28,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:06:28,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-07-20 22:06:28,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:28,113 INFO L225 Difference]: With dead ends: 582 [2020-07-20 22:06:28,114 INFO L226 Difference]: Without dead ends: 580 [2020-07-20 22:06:28,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:28,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-20 22:06:28,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 294. [2020-07-20 22:06:28,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 22:06:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-20 22:06:28,133 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 124 [2020-07-20 22:06:28,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:28,134 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-20 22:06:28,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:06:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-20 22:06:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 22:06:28,137 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:28,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:06:28,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:28,343 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:28,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:28,344 INFO L82 PathProgramCache]: Analyzing trace with hash 869168890, now seen corresponding path program 1 times [2020-07-20 22:06:28,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:28,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785471328] [2020-07-20 22:06:28,345 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:28,477 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:28,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:28,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:06:28,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:06:28,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:28,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785471328] [2020-07-20 22:06:28,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:28,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:06:28,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973519854] [2020-07-20 22:06:28,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:06:28,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:28,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:06:28,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:28,520 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-20 22:06:29,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:29,226 INFO L93 Difference]: Finished difference Result 868 states and 1337 transitions. [2020-07-20 22:06:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:06:29,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-07-20 22:06:29,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:29,234 INFO L225 Difference]: With dead ends: 868 [2020-07-20 22:06:29,234 INFO L226 Difference]: Without dead ends: 580 [2020-07-20 22:06:29,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:29,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-20 22:06:29,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 437. [2020-07-20 22:06:29,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-20 22:06:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 638 transitions. [2020-07-20 22:06:29,256 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 638 transitions. Word has length 133 [2020-07-20 22:06:29,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:29,256 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 638 transitions. [2020-07-20 22:06:29,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:06:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 638 transitions. [2020-07-20 22:06:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-20 22:06:29,261 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:29,261 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:06:29,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:29,467 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:29,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:29,468 INFO L82 PathProgramCache]: Analyzing trace with hash -354395674, now seen corresponding path program 1 times [2020-07-20 22:06:29,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:29,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701569085] [2020-07-20 22:06:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:29,580 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:29,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:29,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:06:29,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:06:29,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:29,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701569085] [2020-07-20 22:06:29,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:29,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:06:29,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620864542] [2020-07-20 22:06:29,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:06:29,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:29,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:06:29,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:29,633 INFO L87 Difference]: Start difference. First operand 437 states and 638 transitions. Second operand 3 states. [2020-07-20 22:06:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:30,408 INFO L93 Difference]: Finished difference Result 725 states and 1060 transitions. [2020-07-20 22:06:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:06:30,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-07-20 22:06:30,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:30,417 INFO L225 Difference]: With dead ends: 725 [2020-07-20 22:06:30,417 INFO L226 Difference]: Without dead ends: 723 [2020-07-20 22:06:30,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:30,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-07-20 22:06:30,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 437. [2020-07-20 22:06:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-20 22:06:30,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 638 transitions. [2020-07-20 22:06:30,437 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 638 transitions. Word has length 171 [2020-07-20 22:06:30,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:30,438 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 638 transitions. [2020-07-20 22:06:30,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:06:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 638 transitions. [2020-07-20 22:06:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-20 22:06:30,441 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:30,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:06:30,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:30,656 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:30,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:30,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1755854501, now seen corresponding path program 1 times [2020-07-20 22:06:30,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:30,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214080884] [2020-07-20 22:06:30,658 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:30,755 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:30,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:30,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:06:30,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:06:30,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:30,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214080884] [2020-07-20 22:06:30,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:30,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:06:30,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254121703] [2020-07-20 22:06:30,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:06:30,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:30,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:06:30,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:30,796 INFO L87 Difference]: Start difference. First operand 437 states and 638 transitions. Second operand 3 states. [2020-07-20 22:06:31,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:31,524 INFO L93 Difference]: Finished difference Result 1154 states and 1725 transitions. [2020-07-20 22:06:31,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:06:31,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-07-20 22:06:31,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:31,538 INFO L225 Difference]: With dead ends: 1154 [2020-07-20 22:06:31,539 INFO L226 Difference]: Without dead ends: 723 [2020-07-20 22:06:31,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:31,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-07-20 22:06:31,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 580. [2020-07-20 22:06:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 22:06:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 801 transitions. [2020-07-20 22:06:31,567 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 801 transitions. Word has length 176 [2020-07-20 22:06:31,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:31,568 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 801 transitions. [2020-07-20 22:06:31,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:06:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 801 transitions. [2020-07-20 22:06:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-20 22:06:31,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:31,573 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, 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] [2020-07-20 22:06:31,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:31,788 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:31,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1132213795, now seen corresponding path program 1 times [2020-07-20 22:06:31,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:31,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488458514] [2020-07-20 22:06:31,790 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:31,929 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:31,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:31,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:06:31,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-20 22:06:31,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:31,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488458514] [2020-07-20 22:06:31,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:31,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:06:31,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434095006] [2020-07-20 22:06:31,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:06:31,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:31,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:06:31,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:31,985 INFO L87 Difference]: Start difference. First operand 580 states and 801 transitions. Second operand 3 states. [2020-07-20 22:06:32,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:32,780 INFO L93 Difference]: Finished difference Result 1295 states and 1827 transitions. [2020-07-20 22:06:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:06:32,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-07-20 22:06:32,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:32,783 INFO L225 Difference]: With dead ends: 1295 [2020-07-20 22:06:32,783 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 22:06:32,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:32,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 22:06:32,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 22:06:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 22:06:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 22:06:32,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2020-07-20 22:06:32,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:32,788 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 22:06:32,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:06:32,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 22:06:32,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 22:06:32,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:33,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 22:06:33,424 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:06:33,424 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:06:33,424 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:06:33,425 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 22:06:33,425 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,425 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,425 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,425 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,425 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,425 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,426 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 22:06:33,426 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 22:06:33,426 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 22:06:33,426 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 22:06:33,426 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 22:06:33,426 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 22:06:33,426 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 22:06:33,427 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 22:06:33,427 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 22:06:33,427 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 22:06:33,428 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 22:06:33,428 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,428 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,428 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,428 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,428 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,429 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 22:06:33,429 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 22:06:33,429 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 22:06:33,429 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 22:06:33,429 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 22:06:33,429 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 22:06:33,429 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 22:06:33,430 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 22:06:33,430 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 22:06:33,430 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 22:06:33,435 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 22:06:33,435 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 22:06:33,435 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 22:06:33,436 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2020-07-20 22:06:33,436 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 22:06:33,436 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,436 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,441 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,441 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,441 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,442 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 22:06:33,442 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 22:06:33,442 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 22:06:33,442 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 22:06:33,442 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 22:06:33,442 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 22:06:33,442 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 22:06:33,443 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 22:06:33,443 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 22:06:33,443 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 22:06:33,443 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,443 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,445 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,446 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,446 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,446 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 22:06:33,446 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 22:06:33,448 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 22:06:33,448 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 22:06:33,449 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 22:06:33,449 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 22:06:33,449 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 22:06:33,449 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 22:06:33,449 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 22:06:33,449 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 22:06:33,449 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 22:06:33,450 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 22:06:33,450 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 22:06:33,450 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,450 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,450 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,450 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,450 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,450 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 22:06:33,451 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 22:06:33,451 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 22:06:33,451 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 22:06:33,451 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 22:06:33,451 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 22:06:33,455 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 22:06:33,455 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 22:06:33,456 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 22:06:33,456 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,456 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,456 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,456 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,456 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,456 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,457 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,457 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 22:06:33,457 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 22:06:33,457 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 22:06:33,457 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 22:06:33,457 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 22:06:33,457 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 22:06:33,457 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,458 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,459 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,459 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 22:06:33,459 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,459 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,459 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 22:06:33,459 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 22:06:33,459 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 22:06:33,459 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 22:06:33,460 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 22:06:33,461 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,461 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,461 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,461 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,461 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,461 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,461 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 22:06:33,461 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 22:06:33,462 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 22:06:33,463 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (and (or (not (<= 4 |old(~a10~0)|)) (<= 4 ~a10~0)) (or (<= 7 ~a19~0) (not (<= 7 |old(~a19~0)|))) (or (<= ~a10~0 1) (not (<= |old(~a10~0)| 1))) (or (not (<= 3 |old(~a10~0)|)) (<= 3 ~a10~0))) [2020-07-20 22:06:33,463 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 22:06:33,463 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 22:06:33,463 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 22:06:33,463 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,463 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,463 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,464 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,464 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,464 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,464 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 22:06:33,464 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 22:06:33,464 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 22:06:33,464 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 22:06:33,465 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 22:06:33,465 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 22:06:33,465 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 22:06:33,465 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 22:06:33,469 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 22:06:33,469 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 22:06:33,469 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 22:06:33,469 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 22:06:33,469 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 22:06:33,469 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 22:06:33,470 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 22:06:33,471 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,472 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,472 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,472 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,472 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,472 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:06:33,472 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 22:06:33,472 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 22:06:33,472 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 22:06:33,474 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 22:06:33,475 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 22:06:33,475 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 22:06:33,475 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 22:06:33,475 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 22:06:33,475 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 22:06:33,476 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 22:06:33,476 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 22:06:33,476 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 22:06:33,476 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:06:33,476 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 1) (<= 9 ~a19~0) (<= 23 ~a1~0)) [2020-07-20 22:06:33,477 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:06:33,477 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:06:33,477 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a10~0 1) (<= 9 ~a19~0) (<= 23 ~a1~0)) (not (<= |old(~a10~0)| 1))) [2020-07-20 22:06:33,477 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 22:06:33,477 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 1) (<= 7 ~a19~0) (not (<= 9 |old(~a19~0)|)) (<= 3 ~a10~0) (not (<= |old(~a10~0)| 1))) [2020-07-20 22:06:33,477 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 22:06:33,477 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 22:06:33,478 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 1) (<= 7 ~a19~0) (not (<= 9 |old(~a19~0)|)) (<= 3 ~a10~0) (not (<= |old(~a10~0)| 1))) [2020-07-20 22:06:33,478 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 22:06:33,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:06:33 BoogieIcfgContainer [2020-07-20 22:06:33,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:06:33,504 INFO L168 Benchmark]: Toolchain (without parser) took 11693.75 ms. Allocated memory was 137.4 MB in the beginning and 364.4 MB in the end (delta: 227.0 MB). Free memory was 99.3 MB in the beginning and 283.3 MB in the end (delta: -183.9 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:33,506 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 22:06:33,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.59 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 98.9 MB in the beginning and 170.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:33,513 INFO L168 Benchmark]: Boogie Preprocessor took 113.12 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 166.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:33,514 INFO L168 Benchmark]: RCFGBuilder took 1502.99 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.6 MB in the beginning and 181.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:33,515 INFO L168 Benchmark]: TraceAbstraction took 9202.42 ms. Allocated memory was 234.9 MB in the beginning and 364.4 MB in the end (delta: 129.5 MB). Free memory was 181.6 MB in the beginning and 283.3 MB in the end (delta: -101.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:33,529 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 867.59 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 98.9 MB in the beginning and 170.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.12 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 166.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1502.99 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.6 MB in the beginning and 181.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9202.42 ms. Allocated memory was 234.9 MB in the beginning and 364.4 MB in the end (delta: 129.5 MB). Free memory was 181.6 MB in the beginning and 283.3 MB in the end (delta: -101.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: 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: ((((!(23 <= \old(a1)) || a10 <= 1) || 7 <= a19) || !(9 <= \old(a19))) || 3 <= a10) || !(\old(a10) <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.6s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 600 SDtfs, 896 SDslu, 81 SDs, 0 SdLazy, 2616 SolverSat, 602 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1009 GetRequests, 1002 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1144 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 21 PreInvPairs, 31 NumberOfFragments, 112 HoareAnnotationTreeSize, 21 FomulaSimplifications, 669 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 334 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 1016 NumberOfCodeBlocks, 1016 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 261045 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1976 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 378/378 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...