/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 NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:34:55,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:34:55,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:34:55,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:34:55,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:34:55,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:34:55,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:34:55,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:34:55,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:34:55,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:34:55,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:34:55,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:34:55,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:34:55,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:34:55,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:34:55,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:34:55,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:34:55,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:34:55,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:34:55,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:34:55,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:34:55,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:34:55,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:34:55,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:34:55,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:34:55,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:34:55,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:34:55,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:34:55,278 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 [2020-07-21 16:34:55,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:34:55,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:34:55,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:34:55,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:34:55,306 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:34:55,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:34:55,307 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:34:55,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:34:55,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:34:55,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:34:55,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:34:55,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:34:55,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:34:55,309 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:34:55,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:34:55,310 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:34:55,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:34:55,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:34:55,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:34:55,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:34:55,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:34:55,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:34:55,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:34:55,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:34:55,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:34:55,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:34:55,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:34:55,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:34:55,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:34:55,312 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 -> NUM_VARIABLES 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 -> 2 [2020-07-21 16:34:55,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:34:55,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:34:55,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:34:55,654 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:34:55,655 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:34:55,655 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-07-21 16:34:55,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1d9f8ee/99abd6aa05b34c8890e59ba25b13a516/FLAG8c9fa7bcb [2020-07-21 16:34:56,234 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:34:56,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-07-21 16:34:56,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1d9f8ee/99abd6aa05b34c8890e59ba25b13a516/FLAG8c9fa7bcb [2020-07-21 16:34:56,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1d9f8ee/99abd6aa05b34c8890e59ba25b13a516 [2020-07-21 16:34:56,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:34:56,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:34:56,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:34:56,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:34:56,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:34:56,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:34:56" (1/1) ... [2020-07-21 16:34:56,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458b7631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:56, skipping insertion in model container [2020-07-21 16:34:56,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:34:56" (1/1) ... [2020-07-21 16:34:56,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:34:56,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:34:57,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:34:57,042 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:34:57,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:34:57,279 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:34:57,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57 WrapperNode [2020-07-21 16:34:57,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:34:57,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:34:57,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:34:57,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:34:57,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (1/1) ... [2020-07-21 16:34:57,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (1/1) ... [2020-07-21 16:34:57,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (1/1) ... [2020-07-21 16:34:57,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (1/1) ... [2020-07-21 16:34:57,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (1/1) ... [2020-07-21 16:34:57,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (1/1) ... [2020-07-21 16:34:57,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (1/1) ... [2020-07-21 16:34:57,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:34:57,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:34:57,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:34:57,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:34:57,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:34:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:34:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:34:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 16:34:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:34:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 16:34:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:34:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:34:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:34:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:34:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:34:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:34:58,683 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:34:58,683 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:34:58,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:34:58 BoogieIcfgContainer [2020-07-21 16:34:58,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:34:58,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:34:58,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:34:58,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:34:58,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:34:56" (1/3) ... [2020-07-21 16:34:58,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27279cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:34:58, skipping insertion in model container [2020-07-21 16:34:58,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:34:57" (2/3) ... [2020-07-21 16:34:58,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27279cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:34:58, skipping insertion in model container [2020-07-21 16:34:58,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:34:58" (3/3) ... [2020-07-21 16:34:58,707 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-07-21 16:34:58,717 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:34:58,731 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:34:58,743 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:34:58,768 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:34:58,768 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:34:58,769 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:34:58,769 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:34:58,769 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:34:58,769 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:34:58,770 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:34:58,770 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:34:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 16:34:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-21 16:34:58,807 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:34:58,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:34:58,809 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:34:58,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:34:58,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times [2020-07-21 16:34:58,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:34:58,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808363001] [2020-07-21 16:34:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:34:59,018 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:34:59,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:34:59,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:34:59,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:34:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:34:59,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:34:59,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808363001] [2020-07-21 16:34:59,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:34:59,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:34:59,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790486362] [2020-07-21 16:34:59,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:34:59,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:34:59,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:34:59,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:34:59,170 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 16:35:00,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:00,091 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-21 16:35:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:35:00,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-07-21 16:35:00,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:00,109 INFO L225 Difference]: With dead ends: 619 [2020-07-21 16:35:00,109 INFO L226 Difference]: Without dead ends: 321 [2020-07-21 16:35:00,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:35:00,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-21 16:35:00,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-21 16:35:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-21 16:35:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-21 16:35:00,181 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 118 [2020-07-21 16:35:00,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:00,182 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-21 16:35:00,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:35:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-21 16:35:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-21 16:35:00,186 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:00,187 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:00,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:00,401 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:00,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:00,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1482861857, now seen corresponding path program 1 times [2020-07-21 16:35:00,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:00,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276875547] [2020-07-21 16:35:00,404 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:35:00,513 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:00,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:00,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 16:35:00,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 16:35:00,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:35:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 16:35:00,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276875547] [2020-07-21 16:35:00,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 16:35:00,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-21 16:35:00,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802954029] [2020-07-21 16:35:00,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 16:35:00,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:00,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 16:35:00,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:35:00,735 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 4 states. [2020-07-21 16:35:01,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:01,397 INFO L93 Difference]: Finished difference Result 941 states and 1256 transitions. [2020-07-21 16:35:01,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 16:35:01,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2020-07-21 16:35:01,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:01,409 INFO L225 Difference]: With dead ends: 941 [2020-07-21 16:35:01,409 INFO L226 Difference]: Without dead ends: 628 [2020-07-21 16:35:01,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 246 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:35:01,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-07-21 16:35:01,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2020-07-21 16:35:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-07-21 16:35:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 815 transitions. [2020-07-21 16:35:01,473 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 815 transitions. Word has length 127 [2020-07-21 16:35:01,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:01,474 INFO L479 AbstractCegarLoop]: Abstraction has 628 states and 815 transitions. [2020-07-21 16:35:01,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 16:35:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 815 transitions. [2020-07-21 16:35:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-21 16:35:01,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:01,483 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:01,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:01,698 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:01,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:01,699 INFO L82 PathProgramCache]: Analyzing trace with hash -608996166, now seen corresponding path program 1 times [2020-07-21 16:35:01,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:01,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947269484] [2020-07-21 16:35:01,701 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:35:01,874 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:01,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:01,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:35:01,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 16:35:01,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:35:01,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947269484] [2020-07-21 16:35:01,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:35:01,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:35:01,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733892764] [2020-07-21 16:35:01,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:35:01,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:01,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:35:01,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:35:01,941 INFO L87 Difference]: Start difference. First operand 628 states and 815 transitions. Second operand 3 states. [2020-07-21 16:35:02,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:02,540 INFO L93 Difference]: Finished difference Result 1543 states and 2083 transitions. [2020-07-21 16:35:02,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:35:02,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-07-21 16:35:02,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:02,546 INFO L225 Difference]: With dead ends: 1543 [2020-07-21 16:35:02,547 INFO L226 Difference]: Without dead ends: 921 [2020-07-21 16:35:02,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:35:02,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-07-21 16:35:02,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 919. [2020-07-21 16:35:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-07-21 16:35:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1209 transitions. [2020-07-21 16:35:02,584 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1209 transitions. Word has length 135 [2020-07-21 16:35:02,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:02,585 INFO L479 AbstractCegarLoop]: Abstraction has 919 states and 1209 transitions. [2020-07-21 16:35:02,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:35:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1209 transitions. [2020-07-21 16:35:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-21 16:35:02,590 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:02,590 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:02,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:02,805 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:02,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:02,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1779819568, now seen corresponding path program 1 times [2020-07-21 16:35:02,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:02,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080650768] [2020-07-21 16:35:02,807 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:35:02,936 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:02,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:02,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:35:02,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:35:02,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:35:03,077 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:35:03,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080650768] [2020-07-21 16:35:03,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:35:03,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:35:03,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697184323] [2020-07-21 16:35:03,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:35:03,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:03,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:35:03,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:35:03,082 INFO L87 Difference]: Start difference. First operand 919 states and 1209 transitions. Second operand 7 states. [2020-07-21 16:35:04,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:04,745 INFO L93 Difference]: Finished difference Result 2259 states and 2968 transitions. [2020-07-21 16:35:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:35:04,747 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2020-07-21 16:35:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:04,755 INFO L225 Difference]: With dead ends: 2259 [2020-07-21 16:35:04,756 INFO L226 Difference]: Without dead ends: 1346 [2020-07-21 16:35:04,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:35:04,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2020-07-21 16:35:04,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1346. [2020-07-21 16:35:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2020-07-21 16:35:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1640 transitions. [2020-07-21 16:35:04,800 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1640 transitions. Word has length 141 [2020-07-21 16:35:04,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:04,800 INFO L479 AbstractCegarLoop]: Abstraction has 1346 states and 1640 transitions. [2020-07-21 16:35:04,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:35:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1640 transitions. [2020-07-21 16:35:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 16:35:04,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:04,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:05,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:05,019 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:05,020 INFO L82 PathProgramCache]: Analyzing trace with hash 488288567, now seen corresponding path program 1 times [2020-07-21 16:35:05,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:05,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135019383] [2020-07-21 16:35:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:35:05,124 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:05,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:05,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:35:05,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:35:05,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:35:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:35:05,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135019383] [2020-07-21 16:35:05,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:35:05,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:35:05,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353327257] [2020-07-21 16:35:05,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:35:05,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:05,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:35:05,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:35:05,255 INFO L87 Difference]: Start difference. First operand 1346 states and 1640 transitions. Second operand 6 states. [2020-07-21 16:35:06,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:06,247 INFO L93 Difference]: Finished difference Result 3156 states and 3954 transitions. [2020-07-21 16:35:06,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:35:06,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2020-07-21 16:35:06,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:06,258 INFO L225 Difference]: With dead ends: 3156 [2020-07-21 16:35:06,258 INFO L226 Difference]: Without dead ends: 1820 [2020-07-21 16:35:06,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:35:06,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-07-21 16:35:06,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1662. [2020-07-21 16:35:06,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1662 states. [2020-07-21 16:35:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2099 transitions. [2020-07-21 16:35:06,316 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2099 transitions. Word has length 149 [2020-07-21 16:35:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:06,317 INFO L479 AbstractCegarLoop]: Abstraction has 1662 states and 2099 transitions. [2020-07-21 16:35:06,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:35:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2099 transitions. [2020-07-21 16:35:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 16:35:06,322 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:06,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:06,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:06,536 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:06,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:06,537 INFO L82 PathProgramCache]: Analyzing trace with hash 795304748, now seen corresponding path program 1 times [2020-07-21 16:35:06,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:06,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666511627] [2020-07-21 16:35:06,539 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:35:06,635 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:06,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:06,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 16:35:06,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:35:06,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:35:06,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666511627] [2020-07-21 16:35:06,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:35:06,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 16:35:06,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247300874] [2020-07-21 16:35:06,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 16:35:06,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:06,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 16:35:06,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:35:06,672 INFO L87 Difference]: Start difference. First operand 1662 states and 2099 transitions. Second operand 5 states. [2020-07-21 16:35:07,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:07,500 INFO L93 Difference]: Finished difference Result 4838 states and 6389 transitions. [2020-07-21 16:35:07,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:35:07,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-07-21 16:35:07,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:07,519 INFO L225 Difference]: With dead ends: 4838 [2020-07-21 16:35:07,519 INFO L226 Difference]: Without dead ends: 3186 [2020-07-21 16:35:07,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:35:07,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2020-07-21 16:35:07,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2994. [2020-07-21 16:35:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2994 states. [2020-07-21 16:35:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 3682 transitions. [2020-07-21 16:35:07,623 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 3682 transitions. Word has length 149 [2020-07-21 16:35:07,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:07,623 INFO L479 AbstractCegarLoop]: Abstraction has 2994 states and 3682 transitions. [2020-07-21 16:35:07,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 16:35:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 3682 transitions. [2020-07-21 16:35:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-21 16:35:07,631 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:07,631 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:07,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:07,847 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:07,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:07,848 INFO L82 PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times [2020-07-21 16:35:07,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:07,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170002343] [2020-07-21 16:35:07,849 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:35:07,955 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:07,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:07,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:35:07,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:07,992 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 16:35:07,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:35:07,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170002343] [2020-07-21 16:35:07,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:35:07,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:35:07,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437002404] [2020-07-21 16:35:07,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:35:07,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:07,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:35:07,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:35:07,995 INFO L87 Difference]: Start difference. First operand 2994 states and 3682 transitions. Second operand 3 states. [2020-07-21 16:35:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:08,676 INFO L93 Difference]: Finished difference Result 7138 states and 8796 transitions. [2020-07-21 16:35:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:35:08,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-21 16:35:08,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:08,694 INFO L225 Difference]: With dead ends: 7138 [2020-07-21 16:35:08,695 INFO L226 Difference]: Without dead ends: 2974 [2020-07-21 16:35:08,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:35:08,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2020-07-21 16:35:08,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2974. [2020-07-21 16:35:08,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2974 states. [2020-07-21 16:35:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 3572 transitions. [2020-07-21 16:35:08,801 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 3572 transitions. Word has length 153 [2020-07-21 16:35:08,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:08,801 INFO L479 AbstractCegarLoop]: Abstraction has 2974 states and 3572 transitions. [2020-07-21 16:35:08,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:35:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 3572 transitions. [2020-07-21 16:35:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-21 16:35:08,813 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:08,814 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:09,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:09,029 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:09,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:09,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1407868924, now seen corresponding path program 1 times [2020-07-21 16:35:09,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:09,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540831281] [2020-07-21 16:35:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:09,153 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:09,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:09,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:35:09,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-21 16:35:09,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:35:09,303 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 78 proven. 23 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-21 16:35:09,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540831281] [2020-07-21 16:35:09,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:35:09,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:35:09,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808030778] [2020-07-21 16:35:09,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:35:09,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:09,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:35:09,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:35:09,306 INFO L87 Difference]: Start difference. First operand 2974 states and 3572 transitions. Second operand 6 states. [2020-07-21 16:35:09,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:09,787 INFO L93 Difference]: Finished difference Result 3757 states and 4385 transitions. [2020-07-21 16:35:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 16:35:09,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2020-07-21 16:35:09,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:09,794 INFO L225 Difference]: With dead ends: 3757 [2020-07-21 16:35:09,794 INFO L226 Difference]: Without dead ends: 1352 [2020-07-21 16:35:09,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:35:09,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2020-07-21 16:35:09,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1204. [2020-07-21 16:35:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-07-21 16:35:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1394 transitions. [2020-07-21 16:35:09,825 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1394 transitions. Word has length 182 [2020-07-21 16:35:09,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:09,825 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1394 transitions. [2020-07-21 16:35:09,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:35:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1394 transitions. [2020-07-21 16:35:09,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-21 16:35:09,830 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:09,830 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:10,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:10,044 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:10,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:10,044 INFO L82 PathProgramCache]: Analyzing trace with hash -262886545, now seen corresponding path program 1 times [2020-07-21 16:35:10,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:10,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702266871] [2020-07-21 16:35:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:10,155 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:10,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:10,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:35:10,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:10,196 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-21 16:35:10,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:35:10,276 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 71 proven. 24 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-21 16:35:10,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702266871] [2020-07-21 16:35:10,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:35:10,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:35:10,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680662242] [2020-07-21 16:35:10,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:35:10,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:10,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:35:10,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:35:10,279 INFO L87 Difference]: Start difference. First operand 1204 states and 1394 transitions. Second operand 7 states. [2020-07-21 16:35:11,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:11,488 INFO L93 Difference]: Finished difference Result 2715 states and 3188 transitions. [2020-07-21 16:35:11,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 16:35:11,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 187 [2020-07-21 16:35:11,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:11,494 INFO L225 Difference]: With dead ends: 2715 [2020-07-21 16:35:11,494 INFO L226 Difference]: Without dead ends: 1363 [2020-07-21 16:35:11,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 372 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:35:11,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-07-21 16:35:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1352. [2020-07-21 16:35:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2020-07-21 16:35:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1449 transitions. [2020-07-21 16:35:11,523 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1449 transitions. Word has length 187 [2020-07-21 16:35:11,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:11,523 INFO L479 AbstractCegarLoop]: Abstraction has 1352 states and 1449 transitions. [2020-07-21 16:35:11,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:35:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1449 transitions. [2020-07-21 16:35:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 16:35:11,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:35:11,527 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:35:11,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:11,742 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:35:11,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:35:11,743 INFO L82 PathProgramCache]: Analyzing trace with hash 840262598, now seen corresponding path program 1 times [2020-07-21 16:35:11,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:35:11,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128194977] [2020-07-21 16:35:11,744 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:11,852 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:35:11,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:35:11,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:35:11,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:35:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:35:11,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:35:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:35:11,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128194977] [2020-07-21 16:35:11,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:35:11,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:35:11,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182760396] [2020-07-21 16:35:11,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:35:11,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:35:11,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:35:11,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:35:11,967 INFO L87 Difference]: Start difference. First operand 1352 states and 1449 transitions. Second operand 6 states. [2020-07-21 16:35:12,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:35:12,985 INFO L93 Difference]: Finished difference Result 3283 states and 3522 transitions. [2020-07-21 16:35:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 16:35:12,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2020-07-21 16:35:12,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:35:12,987 INFO L225 Difference]: With dead ends: 3283 [2020-07-21 16:35:12,988 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:35:12,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:35:12,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:35:12,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:35:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:35:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:35:12,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-21 16:35:12,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:35:12,994 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:35:12,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:35:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:35:12,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:35:13,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:35:13,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:35:14,205 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 61 [2020-07-21 16:35:14,697 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2020-07-21 16:35:15,176 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2020-07-21 16:35:15,180 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:35:15,181 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 16:35:15,181 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:35:15,181 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,181 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,181 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,181 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,182 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,182 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 16:35:15,182 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 16:35:15,182 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 16:35:15,182 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 16:35:15,182 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 16:35:15,182 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 16:35:15,182 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,183 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 16:35:15,184 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 16:35:15,185 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 16:35:15,185 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 16:35:15,185 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 16:35:15,185 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 16:35:15,185 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 16:35:15,185 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 16:35:15,185 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 16:35:15,186 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,186 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,186 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,186 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,186 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,186 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2020-07-21 16:35:15,187 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 16:35:15,187 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 16:35:15,187 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 16:35:15,187 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 16:35:15,187 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 16:35:15,187 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 16:35:15,187 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 16:35:15,188 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 16:35:15,188 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 16:35:15,188 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 16:35:15,188 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 16:35:15,188 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,188 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,189 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,189 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,189 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,189 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 16:35:15,189 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 16:35:15,189 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 16:35:15,189 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 16:35:15,190 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 16:35:15,190 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 16:35:15,190 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 16:35:15,190 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 16:35:15,190 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 16:35:15,190 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 16:35:15,190 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 16:35:15,191 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 16:35:15,191 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 16:35:15,191 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,191 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,191 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,191 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,192 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,192 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 16:35:15,192 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 16:35:15,192 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 16:35:15,192 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 16:35:15,192 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 16:35:15,192 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 16:35:15,193 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 16:35:15,193 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 16:35:15,193 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 16:35:15,193 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 16:35:15,193 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 16:35:15,193 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 16:35:15,193 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 16:35:15,193 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 16:35:15,194 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 16:35:15,194 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 16:35:15,194 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,194 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,194 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,194 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,194 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 16:35:15,195 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,196 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 16:35:15,197 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 16:35:15,198 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 16:35:15,199 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 16:35:15,200 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 16:35:15,200 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,200 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,200 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,200 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (<= |old(~a28~0)| ~a28~0)) (.cse12 (= 1 ~a25~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (<= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse10 (not (<= |old(~a28~0)| 10))) (.cse11 (<= ~a28~0 10)) (.cse0 (not (<= |old(~a28~0)| 9))) (.cse8 (and .cse1 .cse2 .cse3 .cse4)) (.cse14 (not (= 1 |old(~a19~0)|))) (.cse7 (not (<= |old(~a11~0)| 0))) (.cse15 (and .cse2 .cse3 (<= ~a17~0 7) .cse4)) (.cse16 (not (<= |old(~a17~0)| 7))) (.cse17 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse12)) (.cse13 (not (= 1 |old(~a25~0)|))) (.cse6 (not (<= |old(~a17~0)| 8))) (.cse9 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a25~0 |old(~a25~0)|)) .cse6 .cse7) (or (not (<= |old(~a28~0)| 7)) .cse8 .cse6 .cse9) (or .cse10 (and .cse1 .cse3 .cse11 .cse4 .cse5 .cse12) .cse13 .cse6 .cse7) (or .cse14 .cse15 .cse16 .cse7) (or .cse14 .cse10 (and .cse1 .cse3 .cse11 .cse4 .cse5) .cse6 .cse7) (or .cse14 .cse0 .cse8 .cse6 .cse9) (or .cse14 .cse17 .cse13 .cse6 .cse7) (or .cse15 .cse16 .cse9) (or .cse17 .cse13 (not (<= 10 |old(~a28~0)|)) .cse6 .cse9)))) [2020-07-21 16:35:15,201 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,201 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,201 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,201 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 16:35:15,201 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 16:35:15,201 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 16:35:15,202 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 16:35:15,202 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 16:35:15,202 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 16:35:15,202 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 16:35:15,202 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 16:35:15,202 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 16:35:15,202 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 16:35:15,203 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 16:35:15,203 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 16:35:15,203 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 16:35:15,203 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,203 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,203 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,203 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,204 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,204 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,204 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 16:35:15,204 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 16:35:15,204 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 16:35:15,204 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 16:35:15,204 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 16:35:15,205 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 16:35:15,205 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 16:35:15,205 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 16:35:15,205 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 16:35:15,205 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 16:35:15,205 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 16:35:15,205 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 16:35:15,206 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 16:35:15,206 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 16:35:15,206 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 16:35:15,206 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 16:35:15,206 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,206 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,206 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,206 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,207 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 16:35:15,207 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 16:35:15,207 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 16:35:15,207 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 16:35:15,207 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 16:35:15,207 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 16:35:15,207 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 16:35:15,208 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 16:35:15,208 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 16:35:15,208 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 16:35:15,208 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 16:35:15,208 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 16:35:15,208 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 16:35:15,208 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 16:35:15,209 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 16:35:15,209 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 16:35:15,209 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 16:35:15,209 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 16:35:15,209 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 16:35:15,209 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 16:35:15,209 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:35:15,210 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7)) [2020-07-21 16:35:15,210 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:35:15,210 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:35:15,210 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-21 16:35:15,210 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (<= 10 ~a28~0)) (.cse8 (<= ~a11~0 0)) (.cse9 (<= ~a17~0 7)) (.cse3 (<= ~a28~0 10)) (.cse5 (= 1 ~a11~0)) (.cse10 (<= ~a28~0 9)) (.cse11 (<= ~a28~0 7)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse6 (not (= 1 |old(~a25~0)|))) (.cse7 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse8 .cse9) (and .cse1 .cse2 .cse10 .cse6) (and .cse5 .cse9) (and .cse8 .cse10 .cse9) (not (<= |old(~a11~0)| 0)) (and .cse1 .cse2 .cse3 .cse6 .cse7) (and .cse1 .cse5 .cse11) (and .cse0 .cse1 .cse5 .cse10) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 .cse2 .cse11 (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse1 .cse2 .cse6 .cse7))) [2020-07-21 16:35:15,211 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 16:35:15,211 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 16:35:15,211 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= 10 ~a28~0)) (.cse8 (<= ~a11~0 0)) (.cse9 (<= ~a17~0 7)) (.cse3 (<= ~a28~0 10)) (.cse5 (= 1 ~a11~0)) (.cse10 (<= ~a28~0 9)) (.cse11 (<= ~a28~0 7)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse6 (not (= 1 |old(~a25~0)|))) (.cse7 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse8 .cse9) (and .cse1 .cse2 .cse10 .cse6) (and .cse5 .cse9) (and .cse8 .cse10 .cse9) (not (<= |old(~a11~0)| 0)) (and .cse1 .cse2 .cse3 .cse6 .cse7) (and .cse1 .cse5 .cse11) (and .cse0 .cse1 .cse5 .cse10) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 .cse2 .cse11 (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse1 .cse2 .cse6 .cse7))) [2020-07-21 16:35:15,211 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 16:35:15,211 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 16:35:15,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:35:15 BoogieIcfgContainer [2020-07-21 16:35:15,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:35:15,242 INFO L168 Benchmark]: Toolchain (without parser) took 18729.55 ms. Allocated memory was 143.1 MB in the beginning and 478.2 MB in the end (delta: 335.0 MB). Free memory was 99.3 MB in the beginning and 79.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 354.7 MB. Max. memory is 7.1 GB. [2020-07-21 16:35:15,243 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.1 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 16:35:15,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.10 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 98.9 MB in the beginning and 169.4 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2020-07-21 16:35:15,247 INFO L168 Benchmark]: Boogie Preprocessor took 115.90 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 164.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-21 16:35:15,248 INFO L168 Benchmark]: RCFGBuilder took 1298.16 ms. Allocated memory was 202.9 MB in the beginning and 231.2 MB in the end (delta: 28.3 MB). Free memory was 164.9 MB in the beginning and 180.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2020-07-21 16:35:15,252 INFO L168 Benchmark]: TraceAbstraction took 16540.09 ms. Allocated memory was 231.2 MB in the beginning and 478.2 MB in the end (delta: 246.9 MB). Free memory was 180.0 MB in the beginning and 79.6 MB in the end (delta: 100.4 MB). Peak memory consumption was 347.3 MB. Max. memory is 7.1 GB. [2020-07-21 16:35:15,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.1 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 765.10 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 98.9 MB in the beginning and 169.4 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.90 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 164.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1298.16 ms. Allocated memory was 202.9 MB in the beginning and 231.2 MB in the end (delta: 28.3 MB). Free memory was 164.9 MB in the beginning and 180.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16540.09 ms. Allocated memory was 231.2 MB in the beginning and 478.2 MB in the end (delta: 246.9 MB). Free memory was 180.0 MB in the beginning and 79.6 MB in the end (delta: 100.4 MB). Peak memory consumption was 347.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && a28 <= 10) && 10 <= a28)) || ((((a17 <= \old(a17) && 1 == a11) && !(1 == \old(a25))) && 10 <= a28) && 1 == a25)) || ((1 == a19 && a11 <= 0) && a17 <= 7)) || (((a17 <= \old(a17) && a11 == \old(a11)) && a28 <= 9) && !(1 == \old(a25)))) || (1 == a11 && a17 <= 7)) || ((a11 <= 0 && a28 <= 9) && a17 <= 7)) || !(\old(a11) <= 0)) || ((((a17 <= \old(a17) && a11 == \old(a11)) && a28 <= 10) && !(1 == \old(a25))) && 1 == a25)) || ((a17 <= \old(a17) && 1 == a11) && a28 <= 7)) || (((1 == a19 && a17 <= \old(a17)) && 1 == a11) && a28 <= 9)) || !(\old(a17) <= 8)) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && a28 <= 7) && a25 == \old(a25))) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && !(1 == \old(a25))) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 837 SDtfs, 4358 SDslu, 485 SDs, 0 SdLazy, 6639 SolverSat, 1182 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2536 GetRequests, 2479 SyntacticMatches, 9 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2994occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 513 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 114 PreInvPairs, 164 NumberOfFragments, 675 HoareAnnotationTreeSize, 114 FomulaSimplifications, 2740 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2298 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1536 NumberOfCodeBlocks, 1536 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2501 ConstructedInterpolants, 0 QuantifiedInterpolants, 791765 SizeOfPredicates, 11 NumberOfNonLiveVariables, 4012 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 761/827 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...