/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 BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:51:45,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:51:45,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:51:45,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 22:51:45,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:51:45,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:51:45,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:51:45,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:51:45,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:51:45,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:51:45,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:51:45,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:51:45,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:51:45,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:51:45,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:51:45,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:51:45,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:51:45,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:51:45,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:51:45,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:51:45,817 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 22:51:45,832 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:51:45,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:51:45,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:51:45,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:51:45,834 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:51:45,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:51:45,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:51:45,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:51:45,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:51:45,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:51:45,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:51:45,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:51:45,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:51:45,836 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:51:45,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:51:45,836 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:51:45,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:51:45,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:51:45,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:51:45,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:51:45,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:51:45,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:51:45,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:51:45,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:51:45,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:51:45,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:51:45,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:51:45,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:51:45,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:51:45,839 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 -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:51:46,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:51:46,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:51:46,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:51:46,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:51:46,141 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:51:46,141 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-07-21 22:51:46,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a94196c3/ab4d13ece4b8489791f3c108f8e1197c/FLAG1f0f8f231 [2020-07-21 22:51:46,754 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:51:46,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-07-21 22:51:46,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a94196c3/ab4d13ece4b8489791f3c108f8e1197c/FLAG1f0f8f231 [2020-07-21 22:51:47,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a94196c3/ab4d13ece4b8489791f3c108f8e1197c [2020-07-21 22:51:47,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:51:47,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:51:47,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:51:47,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:51:47,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:51:47,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5914c42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47, skipping insertion in model container [2020-07-21 22:51:47,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:51:47,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:51:47,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:51:47,492 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:51:47,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:51:47,722 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:51:47,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47 WrapperNode [2020-07-21 22:51:47,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:51:47,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:51:47,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:51:47,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:51:47,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (1/1) ... [2020-07-21 22:51:47,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:51:47,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:51:47,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:51:47,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:51:47,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (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 22:51:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:51:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:51:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:51:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:51:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:51:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:51:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:51:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:51:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:51:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:51:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:51:49,191 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:51:49,191 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:51:49,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:51:49 BoogieIcfgContainer [2020-07-21 22:51:49,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:51:49,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:51:49,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:51:49,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:51:49,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:51:47" (1/3) ... [2020-07-21 22:51:49,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5baddfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:51:49, skipping insertion in model container [2020-07-21 22:51:49,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:51:47" (2/3) ... [2020-07-21 22:51:49,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5baddfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:51:49, skipping insertion in model container [2020-07-21 22:51:49,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:51:49" (3/3) ... [2020-07-21 22:51:49,212 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2020-07-21 22:51:49,225 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:51:49,236 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:51:49,252 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:51:49,290 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:51:49,291 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:51:49,292 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:51:49,292 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:51:49,292 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:51:49,292 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:51:49,293 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:51:49,293 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:51:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 22:51:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 22:51:49,345 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:51:49,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:51:49,347 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:51:49,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:51:49,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1457340122, now seen corresponding path program 1 times [2020-07-21 22:51:49,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:51:49,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605419445] [2020-07-21 22:51:49,365 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:51:49,541 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:51:49,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:51:49,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 68 conjunts are in the unsatisfiable core [2020-07-21 22:51:49,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:51:49,873 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-21 22:51:50,008 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2020-07-21 22:51:50,476 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 22:51:50,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:51:50,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605419445] [2020-07-21 22:51:50,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:51:50,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 22:51:50,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390154284] [2020-07-21 22:51:50,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 22:51:50,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:51:50,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 22:51:50,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-21 22:51:50,504 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 11 states. [2020-07-21 22:51:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:51:52,515 INFO L93 Difference]: Finished difference Result 472 states and 791 transitions. [2020-07-21 22:51:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 22:51:52,517 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2020-07-21 22:51:52,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:51:52,534 INFO L225 Difference]: With dead ends: 472 [2020-07-21 22:51:52,535 INFO L226 Difference]: Without dead ends: 203 [2020-07-21 22:51:52,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2020-07-21 22:51:52,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-21 22:51:52,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2020-07-21 22:51:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-21 22:51:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 275 transitions. [2020-07-21 22:51:52,611 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 275 transitions. Word has length 134 [2020-07-21 22:51:52,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:51:52,612 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 275 transitions. [2020-07-21 22:51:52,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 22:51:52,613 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 275 transitions. [2020-07-21 22:51:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-21 22:51:52,619 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:51:52,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:51:52,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:51:52,820 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:51:52,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:51:52,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1373578177, now seen corresponding path program 1 times [2020-07-21 22:51:52,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:51:52,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273687174] [2020-07-21 22:51:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:51:52,937 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:51:52,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:51:52,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 48 conjunts are in the unsatisfiable core [2020-07-21 22:51:52,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:51:53,270 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2020-07-21 22:51:53,681 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:51:53,685 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:51:53,687 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:51:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:51:53,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:51:54,543 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-07-21 22:51:54,707 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:51:54,857 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:51:55,008 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-07-21 22:51:55,013 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 7 conjuncts [2020-07-21 22:51:55,014 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 6 conjuncts [2020-07-21 22:51:55,016 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 5 conjuncts [2020-07-21 22:51:55,017 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 4 conjuncts [2020-07-21 22:51:55,018 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:51:55,019 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:51:55,024 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 5 conjuncts [2020-07-21 22:51:55,025 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 4 conjuncts [2020-07-21 22:51:55,026 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:51:55,033 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:51:55,035 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:51:55,037 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 3 conjuncts [2020-07-21 22:51:55,038 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:51:55,039 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:51:55,040 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:51:55,043 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:51:55,044 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:51:55,046 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:51:55,047 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:51:55,049 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:51:55,050 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:51:55,054 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:51:55,055 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:51:55,058 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:51:55,059 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:51:55,712 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2020-07-21 22:51:55,717 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 8, 6, 7, 1] term [2020-07-21 22:51:55,717 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:51:55,788 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:51:55,788 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:51:55,861 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:51:55,890 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:51:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:51:56,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273687174] [2020-07-21 22:51:56,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:51:56,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 25 [2020-07-21 22:51:56,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099252744] [2020-07-21 22:51:56,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-21 22:51:56,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:51:56,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-21 22:51:56,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2020-07-21 22:51:56,113 INFO L87 Difference]: Start difference. First operand 203 states and 275 transitions. Second operand 25 states. [2020-07-21 22:51:57,157 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2020-07-21 22:51:57,744 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-07-21 22:51:58,036 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-07-21 22:51:58,552 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-07-21 22:51:58,822 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-07-21 22:51:59,281 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 22:52:01,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:01,888 INFO L93 Difference]: Finished difference Result 590 states and 879 transitions. [2020-07-21 22:52:01,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-21 22:52:01,889 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 142 [2020-07-21 22:52:01,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:01,895 INFO L225 Difference]: With dead ends: 590 [2020-07-21 22:52:01,895 INFO L226 Difference]: Without dead ends: 453 [2020-07-21 22:52:01,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 256 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=551, Invalid=1611, Unknown=0, NotChecked=0, Total=2162 [2020-07-21 22:52:01,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-07-21 22:52:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 417. [2020-07-21 22:52:01,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-07-21 22:52:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 549 transitions. [2020-07-21 22:52:01,987 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 549 transitions. Word has length 142 [2020-07-21 22:52:01,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:01,988 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 549 transitions. [2020-07-21 22:52:01,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-21 22:52:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2020-07-21 22:52:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-21 22:52:01,996 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:01,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:52:02,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:02,198 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:02,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:02,198 INFO L82 PathProgramCache]: Analyzing trace with hash -2064744129, now seen corresponding path program 1 times [2020-07-21 22:52:02,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:02,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653650585] [2020-07-21 22:52:02,200 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:02,354 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:52:02,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:02,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:52:02,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:02,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:52:02,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653650585] [2020-07-21 22:52:02,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:52:02,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:52:02,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691898860] [2020-07-21 22:52:02,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:52:02,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:02,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:52:02,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:52:02,415 INFO L87 Difference]: Start difference. First operand 417 states and 549 transitions. Second operand 3 states. [2020-07-21 22:52:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:03,102 INFO L93 Difference]: Finished difference Result 1042 states and 1436 transitions. [2020-07-21 22:52:03,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:52:03,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-21 22:52:03,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:03,115 INFO L225 Difference]: With dead ends: 1042 [2020-07-21 22:52:03,115 INFO L226 Difference]: Without dead ends: 691 [2020-07-21 22:52:03,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 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 22:52:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-07-21 22:52:03,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2020-07-21 22:52:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2020-07-21 22:52:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 898 transitions. [2020-07-21 22:52:03,157 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 898 transitions. Word has length 145 [2020-07-21 22:52:03,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:03,158 INFO L479 AbstractCegarLoop]: Abstraction has 691 states and 898 transitions. [2020-07-21 22:52:03,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:52:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 898 transitions. [2020-07-21 22:52:03,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 22:52:03,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:03,166 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:52:03,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:03,369 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:03,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:03,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1025958774, now seen corresponding path program 1 times [2020-07-21 22:52:03,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:03,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955441664] [2020-07-21 22:52:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:03,476 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:52:03,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:03,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:52:03,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:03,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:52:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:03,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955441664] [2020-07-21 22:52:03,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:52:03,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 22:52:03,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155582123] [2020-07-21 22:52:03,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:52:03,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:03,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:52:03,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:52:03,594 INFO L87 Difference]: Start difference. First operand 691 states and 898 transitions. Second operand 6 states. [2020-07-21 22:52:04,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:04,513 INFO L93 Difference]: Finished difference Result 1620 states and 2190 transitions. [2020-07-21 22:52:04,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:52:04,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-07-21 22:52:04,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:04,522 INFO L225 Difference]: With dead ends: 1620 [2020-07-21 22:52:04,522 INFO L226 Difference]: Without dead ends: 995 [2020-07-21 22:52:04,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 304 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 22:52:04,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2020-07-21 22:52:04,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 973. [2020-07-21 22:52:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-07-21 22:52:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1268 transitions. [2020-07-21 22:52:04,567 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1268 transitions. Word has length 154 [2020-07-21 22:52:04,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:04,568 INFO L479 AbstractCegarLoop]: Abstraction has 973 states and 1268 transitions. [2020-07-21 22:52:04,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:52:04,568 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1268 transitions. [2020-07-21 22:52:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-21 22:52:04,574 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:04,574 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:52:04,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:04,789 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:04,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:04,790 INFO L82 PathProgramCache]: Analyzing trace with hash 655240574, now seen corresponding path program 1 times [2020-07-21 22:52:04,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:04,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885273906] [2020-07-21 22:52:04,792 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:04,887 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:52:04,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:04,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 22:52:04,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:04,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:52:05,218 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-21 22:52:05,276 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 1] term [2020-07-21 22:52:05,277 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:52:05,277 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 22:52:05,278 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:05,279 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 1] term [2020-07-21 22:52:05,279 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:05,280 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:05,282 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:05,282 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:05,283 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:05,284 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:05,284 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:05,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885273906] [2020-07-21 22:52:05,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:52:05,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:52:05,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995401271] [2020-07-21 22:52:05,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:52:05,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:05,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:52:05,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:52:05,414 INFO L87 Difference]: Start difference. First operand 973 states and 1268 transitions. Second operand 7 states. [2020-07-21 22:52:06,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:06,839 INFO L93 Difference]: Finished difference Result 2491 states and 3253 transitions. [2020-07-21 22:52:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:52:06,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-07-21 22:52:06,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:06,848 INFO L225 Difference]: With dead ends: 2491 [2020-07-21 22:52:06,848 INFO L226 Difference]: Without dead ends: 1304 [2020-07-21 22:52:06,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 316 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:52:06,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2020-07-21 22:52:06,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1241. [2020-07-21 22:52:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-07-21 22:52:06,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1468 transitions. [2020-07-21 22:52:06,900 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1468 transitions. Word has length 160 [2020-07-21 22:52:06,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:06,901 INFO L479 AbstractCegarLoop]: Abstraction has 1241 states and 1468 transitions. [2020-07-21 22:52:06,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:52:06,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1468 transitions. [2020-07-21 22:52:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-21 22:52:06,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:06,907 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:07,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:07,121 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:07,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:07,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1985141827, now seen corresponding path program 1 times [2020-07-21 22:52:07,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:07,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493341402] [2020-07-21 22:52:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:07,304 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:52:07,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:07,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 48 conjunts are in the unsatisfiable core [2020-07-21 22:52:07,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:07,982 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:52:07,984 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:52:07,984 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:52:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:08,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:52:08,549 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-07-21 22:52:08,705 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 22:52:09,037 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-07-21 22:52:09,214 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 22:52:09,379 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-21 22:52:09,383 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 8 conjuncts [2020-07-21 22:52:09,384 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 22:52:09,385 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 22:52:09,387 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,388 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,388 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:52:09,389 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:09,393 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:09,394 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,395 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,397 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,398 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:52:09,400 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:52:09,401 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:52:09,401 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,403 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:52:09,404 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:52:09,404 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,406 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,407 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,407 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,409 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,411 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,412 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,413 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,413 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,415 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,415 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,416 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,418 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,419 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,420 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,422 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,424 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,425 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,426 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,427 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,428 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,429 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,430 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,431 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,432 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,433 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,434 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,436 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,437 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,438 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,440 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,441 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,442 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,443 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,444 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,445 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,446 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,447 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,448 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,449 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,450 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,451 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,452 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,454 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,455 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,456 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,457 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,458 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,459 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,461 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,462 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,463 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,465 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:09,466 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:09,467 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:09,468 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:09,468 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:09,469 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:09,470 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,471 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,472 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,474 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,475 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,475 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,476 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,477 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,478 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,479 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,480 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,481 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,482 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,485 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,486 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,486 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,487 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,488 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,489 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,490 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,491 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,492 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,493 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,493 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,496 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,496 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,497 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,499 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,500 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,501 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,502 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,502 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,503 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,504 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,505 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,506 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,507 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,508 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,509 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,511 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,511 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,512 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,513 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,514 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,515 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,517 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,518 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,519 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:52:09,520 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:52:09,521 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:52:09,522 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,523 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:52:09,523 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:52:09,524 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,525 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,526 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,526 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,528 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,529 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,530 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,531 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,531 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,533 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,533 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,534 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,536 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,536 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,537 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,540 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,541 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,542 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,543 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,543 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,544 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,545 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,546 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,547 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,548 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,549 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,549 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,551 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,552 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,553 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,554 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,555 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,556 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:52:09,557 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-07-21 22:52:09,558 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:09,559 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,559 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,560 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:52:09,561 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,562 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,563 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,564 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,565 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,567 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,568 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,568 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:09,570 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 22:52:09,570 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 22:52:09,571 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:10,788 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 135 DAG size of output: 39 [2020-07-21 22:52:10,791 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 8, 6, 1] term [2020-07-21 22:52:10,791 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:10,889 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:52:10,891 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:10,982 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:11,027 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:11,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493341402] [2020-07-21 22:52:11,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:52:11,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 26 [2020-07-21 22:52:11,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800940455] [2020-07-21 22:52:11,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 22:52:11,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:11,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 22:52:11,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2020-07-21 22:52:11,339 INFO L87 Difference]: Start difference. First operand 1241 states and 1468 transitions. Second operand 26 states. [2020-07-21 22:52:13,391 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-07-21 22:52:13,901 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-07-21 22:52:14,417 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-07-21 22:52:14,647 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-07-21 22:52:15,015 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2020-07-21 22:52:15,246 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-07-21 22:52:15,732 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-07-21 22:52:15,986 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-07-21 22:52:16,400 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-07-21 22:52:16,724 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-07-21 22:52:16,939 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-07-21 22:52:17,309 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-07-21 22:52:17,717 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-07-21 22:52:18,075 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-07-21 22:52:18,394 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-07-21 22:52:18,908 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-07-21 22:52:19,237 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-07-21 22:52:20,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:20,570 INFO L93 Difference]: Finished difference Result 2676 states and 3273 transitions. [2020-07-21 22:52:20,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-21 22:52:20,575 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 175 [2020-07-21 22:52:20,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:20,585 INFO L225 Difference]: With dead ends: 2676 [2020-07-21 22:52:20,585 INFO L226 Difference]: Without dead ends: 1433 [2020-07-21 22:52:20,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 322 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=877, Invalid=2663, Unknown=0, NotChecked=0, Total=3540 [2020-07-21 22:52:20,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2020-07-21 22:52:20,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1296. [2020-07-21 22:52:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2020-07-21 22:52:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1539 transitions. [2020-07-21 22:52:20,634 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1539 transitions. Word has length 175 [2020-07-21 22:52:20,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:20,634 INFO L479 AbstractCegarLoop]: Abstraction has 1296 states and 1539 transitions. [2020-07-21 22:52:20,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 22:52:20,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1539 transitions. [2020-07-21 22:52:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-21 22:52:20,639 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:20,639 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:20,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:20,854 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:20,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:20,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1324267016, now seen corresponding path program 1 times [2020-07-21 22:52:20,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:20,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353684241] [2020-07-21 22:52:20,856 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:20,983 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:52:20,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:20,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:52:20,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:21,570 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-07-21 22:52:21,720 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-07-21 22:52:21,916 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-07-21 22:52:21,921 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 8, 1] term [2020-07-21 22:52:21,921 INFO L501 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-07-21 22:52:22,006 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:52:22,007 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:52:22,008 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:52:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:22,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:52:22,471 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-07-21 22:52:22,638 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-07-21 22:52:22,825 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-07-21 22:52:23,056 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-07-21 22:52:23,063 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:23,064 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:23,314 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 7 conjuncts [2020-07-21 22:52:23,315 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 6 conjuncts [2020-07-21 22:52:23,316 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 5 conjuncts [2020-07-21 22:52:23,316 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:23,317 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:52:23,318 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:23,320 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:23,320 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:23,321 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:23,321 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:23,322 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:23,322 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:23,352 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 7, 6, 1] term [2020-07-21 22:52:23,353 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:23,397 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:23,398 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:23,457 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:52:23,523 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:23,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353684241] [2020-07-21 22:52:23,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:52:23,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 27 [2020-07-21 22:52:23,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765828255] [2020-07-21 22:52:23,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-21 22:52:23,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:23,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-21 22:52:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2020-07-21 22:52:23,759 INFO L87 Difference]: Start difference. First operand 1296 states and 1539 transitions. Second operand 27 states. [2020-07-21 22:52:27,093 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-07-21 22:52:27,434 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-07-21 22:52:27,943 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-07-21 22:52:28,268 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-07-21 22:52:29,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:29,811 INFO L93 Difference]: Finished difference Result 3294 states and 4206 transitions. [2020-07-21 22:52:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-21 22:52:29,813 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 192 [2020-07-21 22:52:29,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:29,827 INFO L225 Difference]: With dead ends: 3294 [2020-07-21 22:52:29,827 INFO L226 Difference]: Without dead ends: 2031 [2020-07-21 22:52:29,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=553, Invalid=1339, Unknown=0, NotChecked=0, Total=1892 [2020-07-21 22:52:29,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2020-07-21 22:52:29,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1438. [2020-07-21 22:52:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-07-21 22:52:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1652 transitions. [2020-07-21 22:52:29,895 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1652 transitions. Word has length 192 [2020-07-21 22:52:29,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:29,896 INFO L479 AbstractCegarLoop]: Abstraction has 1438 states and 1652 transitions. [2020-07-21 22:52:29,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-21 22:52:29,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1652 transitions. [2020-07-21 22:52:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-21 22:52:29,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:29,902 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:30,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:30,115 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:30,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:30,116 INFO L82 PathProgramCache]: Analyzing trace with hash 565036902, now seen corresponding path program 1 times [2020-07-21 22:52:30,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:30,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657641078] [2020-07-21 22:52:30,117 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:52:30,231 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:52:30,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:30,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-21 22:52:30,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 22:52:30,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:52:30,574 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-07-21 22:52:30,630 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:30,630 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:30,631 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 1] term [2020-07-21 22:52:30,631 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:30,632 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 22:52:30,632 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:30,632 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:52:30,633 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:52:30,633 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:30,634 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 22:52:30,634 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 22:52:30,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657641078] [2020-07-21 22:52:30,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:52:30,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-21 22:52:30,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096206754] [2020-07-21 22:52:30,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 22:52:30,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:30,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 22:52:30,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:52:30,853 INFO L87 Difference]: Start difference. First operand 1438 states and 1652 transitions. Second operand 5 states. [2020-07-21 22:52:31,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:31,778 INFO L93 Difference]: Finished difference Result 3517 states and 4103 transitions. [2020-07-21 22:52:31,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:52:31,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-21 22:52:31,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:31,788 INFO L225 Difference]: With dead ends: 3517 [2020-07-21 22:52:31,788 INFO L226 Difference]: Without dead ends: 2145 [2020-07-21 22:52:31,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 416 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:52:31,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2020-07-21 22:52:31,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2139. [2020-07-21 22:52:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2020-07-21 22:52:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2429 transitions. [2020-07-21 22:52:31,851 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2429 transitions. Word has length 212 [2020-07-21 22:52:31,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:31,851 INFO L479 AbstractCegarLoop]: Abstraction has 2139 states and 2429 transitions. [2020-07-21 22:52:31,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 22:52:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2429 transitions. [2020-07-21 22:52:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-21 22:52:31,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:31,858 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:32,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:32,072 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:32,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:32,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1612199943, now seen corresponding path program 1 times [2020-07-21 22:52:32,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:32,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473683466] [2020-07-21 22:52:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:52:32,194 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:52:32,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:32,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 22:52:32,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:32,247 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-07-21 22:52:32,248 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:52:32,301 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 137 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:32,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:52:32,562 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-21 22:52:32,629 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:52:32,630 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,630 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,647 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,649 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,650 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,651 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 1] term [2020-07-21 22:52:32,651 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,651 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:52:32,652 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,653 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,654 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,680 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:52:32,744 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,771 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 124 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:52:32,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473683466] [2020-07-21 22:52:32,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:52:32,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2020-07-21 22:52:32,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360606089] [2020-07-21 22:52:32,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 22:52:32,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:32,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 22:52:32,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-07-21 22:52:32,839 INFO L87 Difference]: Start difference. First operand 2139 states and 2429 transitions. Second operand 12 states. [2020-07-21 22:52:35,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:35,092 INFO L93 Difference]: Finished difference Result 4726 states and 5512 transitions. [2020-07-21 22:52:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-21 22:52:35,093 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 223 [2020-07-21 22:52:35,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:35,106 INFO L225 Difference]: With dead ends: 4726 [2020-07-21 22:52:35,106 INFO L226 Difference]: Without dead ends: 2653 [2020-07-21 22:52:35,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2020-07-21 22:52:35,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2020-07-21 22:52:35,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 2413. [2020-07-21 22:52:35,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2413 states. [2020-07-21 22:52:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 2754 transitions. [2020-07-21 22:52:35,189 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 2754 transitions. Word has length 223 [2020-07-21 22:52:35,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:35,189 INFO L479 AbstractCegarLoop]: Abstraction has 2413 states and 2754 transitions. [2020-07-21 22:52:35,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 22:52:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 2754 transitions. [2020-07-21 22:52:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-07-21 22:52:35,197 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:35,198 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 22:52:35,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:35,412 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:35,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:35,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1827493602, now seen corresponding path program 1 times [2020-07-21 22:52:35,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:35,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122314435] [2020-07-21 22:52:35,413 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:52:35,576 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:52:35,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:35,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:52:35,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:36,032 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-07-21 22:52:36,167 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-07-21 22:52:36,320 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-21 22:52:36,495 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-07-21 22:52:36,659 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-07-21 22:52:36,840 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-07-21 22:52:37,006 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-07-21 22:52:37,206 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-07-21 22:52:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-07-21 22:52:37,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:52:38,022 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-07-21 22:52:38,158 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-07-21 22:52:38,437 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2020-07-21 22:52:38,614 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 22:52:38,968 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-07-21 22:52:39,360 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-07-21 22:52:39,796 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-07-21 22:52:40,298 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-07-21 22:52:40,302 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 7 conjuncts [2020-07-21 22:52:40,303 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 6 conjuncts [2020-07-21 22:52:40,303 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 5 conjuncts [2020-07-21 22:52:40,304 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 4 conjuncts [2020-07-21 22:52:40,304 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:52:40,305 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,306 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,308 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:52:40,309 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,309 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,310 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 4 conjuncts [2020-07-21 22:52:40,311 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:52:40,311 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,312 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,313 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 5 conjuncts [2020-07-21 22:52:40,314 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 4 conjuncts [2020-07-21 22:52:40,314 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:52:40,315 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,315 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,317 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 6 conjuncts [2020-07-21 22:52:40,317 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 5 conjuncts [2020-07-21 22:52:40,318 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 4 conjuncts [2020-07-21 22:52:40,318 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:52:40,319 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,320 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,321 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 5 conjuncts [2020-07-21 22:52:40,321 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 4 conjuncts [2020-07-21 22:52:40,322 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2020-07-21 22:52:40,322 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,323 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 22:52:40,580 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-07-21 22:52:40,730 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 7 conjuncts [2020-07-21 22:52:40,730 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 6 conjuncts [2020-07-21 22:52:40,731 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 5 conjuncts [2020-07-21 22:52:40,732 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 22:52:40,732 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 22:52:40,733 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 22:52:40,764 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 7, 6, 1] term [2020-07-21 22:52:40,765 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:52:40,807 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:40,919 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:40,957 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:52:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-07-21 22:52:41,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122314435] [2020-07-21 22:52:41,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:52:41,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 35 [2020-07-21 22:52:41,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360094253] [2020-07-21 22:52:41,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-07-21 22:52:41,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:41,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-07-21 22:52:41,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=858, Unknown=0, NotChecked=0, Total=1190 [2020-07-21 22:52:41,240 INFO L87 Difference]: Start difference. First operand 2413 states and 2754 transitions. Second operand 35 states. [2020-07-21 22:52:45,462 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-07-21 22:52:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:45,945 INFO L93 Difference]: Finished difference Result 4869 states and 5658 transitions. [2020-07-21 22:52:45,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-21 22:52:45,950 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 248 [2020-07-21 22:52:45,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:45,961 INFO L225 Difference]: With dead ends: 4869 [2020-07-21 22:52:45,962 INFO L226 Difference]: Without dead ends: 2522 [2020-07-21 22:52:45,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 457 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 795 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=920, Invalid=2272, Unknown=0, NotChecked=0, Total=3192 [2020-07-21 22:52:45,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2020-07-21 22:52:46,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2426. [2020-07-21 22:52:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2426 states. [2020-07-21 22:52:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 2774 transitions. [2020-07-21 22:52:46,028 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 2774 transitions. Word has length 248 [2020-07-21 22:52:46,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:46,028 INFO L479 AbstractCegarLoop]: Abstraction has 2426 states and 2774 transitions. [2020-07-21 22:52:46,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-07-21 22:52:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2774 transitions. [2020-07-21 22:52:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-07-21 22:52:46,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:46,037 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:46,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:46,251 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:46,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:46,252 INFO L82 PathProgramCache]: Analyzing trace with hash -122544893, now seen corresponding path program 1 times [2020-07-21 22:52:46,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:46,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614357230] [2020-07-21 22:52:46,253 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:46,408 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:52:46,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:46,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:52:46,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-07-21 22:52:46,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:52:46,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614357230] [2020-07-21 22:52:46,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:52:46,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:52:46,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116885841] [2020-07-21 22:52:46,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:52:46,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:46,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:52:46,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:52:46,477 INFO L87 Difference]: Start difference. First operand 2426 states and 2774 transitions. Second operand 3 states. [2020-07-21 22:52:47,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:47,192 INFO L93 Difference]: Finished difference Result 6202 states and 7200 transitions. [2020-07-21 22:52:47,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:52:47,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2020-07-21 22:52:47,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:47,209 INFO L225 Difference]: With dead ends: 6202 [2020-07-21 22:52:47,209 INFO L226 Difference]: Without dead ends: 3792 [2020-07-21 22:52:47,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 259 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 22:52:47,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3792 states. [2020-07-21 22:52:47,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3792 to 3383. [2020-07-21 22:52:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3383 states. [2020-07-21 22:52:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 3919 transitions. [2020-07-21 22:52:47,297 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 3919 transitions. Word has length 261 [2020-07-21 22:52:47,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:47,297 INFO L479 AbstractCegarLoop]: Abstraction has 3383 states and 3919 transitions. [2020-07-21 22:52:47,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:52:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 3919 transitions. [2020-07-21 22:52:47,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-07-21 22:52:47,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:52:47,308 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:47,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:47,523 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:52:47,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:52:47,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1508839738, now seen corresponding path program 1 times [2020-07-21 22:52:47,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:52:47,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216778191] [2020-07-21 22:52:47,525 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:47,701 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:52:47,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:52:47,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:52:47,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:52:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-07-21 22:52:47,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:52:47,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216778191] [2020-07-21 22:52:47,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:52:47,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:52:47,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256312452] [2020-07-21 22:52:47,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:52:47,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:52:47,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:52:47,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:52:47,767 INFO L87 Difference]: Start difference. First operand 3383 states and 3919 transitions. Second operand 3 states. [2020-07-21 22:52:48,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:52:48,328 INFO L93 Difference]: Finished difference Result 5433 states and 6319 transitions. [2020-07-21 22:52:48,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:52:48,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 276 [2020-07-21 22:52:48,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:52:48,335 INFO L225 Difference]: With dead ends: 5433 [2020-07-21 22:52:48,335 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:52:48,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 274 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 22:52:48,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:52:48,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:52:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:52:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:52:48,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2020-07-21 22:52:48,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:52:48,345 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:52:48,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:52:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:52:48,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:52:48,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:52:48,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:52:49,348 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 168 [2020-07-21 22:52:49,672 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 175 [2020-07-21 22:52:51,319 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 225 DAG size of output: 99 [2020-07-21 22:52:51,474 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2020-07-21 22:52:52,245 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 65 [2020-07-21 22:52:53,057 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 54 [2020-07-21 22:52:53,062 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:52:53,062 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (let ((.cse3 (= 1 |old(~a21~0)|))) (let ((.cse4 (not .cse3))) (and (<= ~a16~0 |old(~a16~0)|) (= ~a7~0 |old(~a7~0)|) (let ((.cse2 (= 1 |old(~a20~0)|))) (or (let ((.cse0 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0))) (and (or (not .cse0) .cse1) (or .cse0 (not .cse1)))) (and (not .cse2) .cse3) (and .cse2 .cse4))) (= ~a21~0 |old(~a21~0)|) (or (and (<= ~a20~0 0) (= 15 ~a8~0) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (< 0 |old(~a20~0)|) .cse4 (not (= 8 ~a12~0)))))) [2020-07-21 22:52:53,063 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:52:53,063 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-21 22:52:53,063 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-21 22:52:53,063 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,063 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,063 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,063 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,064 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,064 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,064 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-21 22:52:53,064 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-21 22:52:53,064 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 22:52:53,064 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-21 22:52:53,065 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 22:52:53,065 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 22:52:53,065 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 22:52:53,065 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-21 22:52:53,065 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-21 22:52:53,065 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-21 22:52:53,065 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,065 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,066 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,066 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,066 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,066 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,066 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-21 22:52:53,066 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-21 22:52:53,066 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 22:52:53,066 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 22:52:53,067 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 22:52:53,067 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 22:52:53,067 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 22:52:53,067 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 22:52:53,067 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-21 22:52:53,067 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-21 22:52:53,067 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-21 22:52:53,067 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,068 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 22:52:53,069 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 22:52:53,070 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,071 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-21 22:52:53,072 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,073 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-21 22:52:53,074 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,075 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-21 22:52:53,076 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-21 22:52:53,077 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-21 22:52:53,078 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 22:52:53,078 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 22:52:53,078 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 22:52:53,078 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 22:52:53,078 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse20 (= 1 |old(~a21~0)|))) (let ((.cse1 (not .cse20)) (.cse17 (= 1 |old(~a20~0)|))) (let ((.cse0 (not (= 1 |old(~a7~0)|))) (.cse6 (= 1 ~a20~0)) (.cse10 (not (= 5 |old(~a16~0)|))) (.cse11 (not (= 15 |old(~a8~0)|))) (.cse12 (= 1 ~a17~0)) (.cse13 (not (= 1 |old(~a17~0)|))) (.cse8 (and (or (not .cse17) .cse1) (or .cse17 .cse20))) (.cse14 (and (not (= 6 |calculate_output_#in~input|)) (not (= 1 |calculate_output_#in~input|)) (not (= 2 |calculate_output_#in~input|)) (not (= 4 |calculate_output_#in~input|)) (not (= 5 |calculate_output_#in~input|)) (not (= 3 |calculate_output_#in~input|)))) (.cse16 (not (<= |old(~a21~0)| 0))) (.cse7 (not (<= |old(~a7~0)| 0))) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse15 (<= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse18 (<= ~a17~0 0)) (.cse5 (= ~a8~0 |old(~a8~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse19 (not (<= |old(~a17~0)| 0))) (.cse9 (not (= 8 ~a12~0)))) (and (or .cse0 .cse1 (and (= 1 ~a7~0) .cse2)) (or (and .cse3 .cse4 .cse5 .cse6 .cse2) .cse7 .cse8 .cse1 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse13 (not (<= |old(~a20~0)| 0)) .cse14 .cse1 .cse9) (or (and .cse3 .cse15 .cse4 .cse5 .cse12 (= 1 ~a21~0)) .cse11 (not (= 6 |old(~a16~0)|)) .cse7 .cse13 .cse14 .cse1 .cse9) (or .cse0 (not (<= |old(~a16~0)| 4)) .cse1 (<= ~a16~0 4)) (or .cse16 (and .cse3 (or .cse17 (not .cse6)) .cse15 .cse4 .cse5 .cse2) .cse9) (or .cse7 (and .cse3 .cse15 .cse4 .cse5 .cse2) (not (< |old(~a16~0)| 6)) .cse1 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse13 .cse8 .cse14 .cse1 .cse9) (or .cse16 .cse18 .cse19 .cse9) (or .cse7 (and .cse3 .cse15 .cse4 .cse18 .cse5 .cse2) .cse1 .cse19 .cse9))))) [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,079 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-21 22:52:53,080 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-21 22:52:53,081 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-21 22:52:53,082 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-21 22:52:53,083 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:52:53,084 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (= 1 ~a17~0) (= 1 ~a21~0) (= 1 ~a20~0) (= 15 ~a8~0) (= 5 ~a16~0) (= 8 ~a12~0)) [2020-07-21 22:52:53,085 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:52:53,085 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:52:53,085 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a17~0) (= 1 ~a21~0) (= 1 ~a20~0)) (not (<= |old(~a7~0)| 0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0))) [2020-07-21 22:52:53,085 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-21 22:52:53,085 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (= 1 ~a21~0)) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse1 (<= ~a7~0 0)) (.cse2 (= ~a21~0 |old(~a21~0)|))) (or (and .cse0 .cse1 (= 1 ~a20~0) .cse2) (not (= 5 |old(~a16~0)|)) (<= ~a21~0 0) (not (= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (= 1 |old(~a17~0)|)) (and (= 6 ~a16~0) .cse0 .cse1 (= 1 ~a17~0) .cse2 (or (= 1 main_~input~0) (= 2 main_~input~0) (= 6 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 3 main_~input~0)) (= 15 ~a8~0)) (and (< ~a16~0 6) .cse0 .cse1 .cse3) (not (= 1 |old(~a20~0)|)) (and (= 1 ~a7~0) .cse3) (not (= 1 |old(~a21~0)|)) (and .cse0 (<= ~a17~0 0) .cse1 .cse2) (not (= 8 ~a12~0)))) [2020-07-21 22:52:53,085 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-21 22:52:53,085 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 22:52:53,086 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= 1 ~a21~0)) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse1 (<= ~a7~0 0)) (.cse2 (= ~a21~0 |old(~a21~0)|))) (or (and .cse0 .cse1 (= 1 ~a20~0) .cse2) (not (= 5 |old(~a16~0)|)) (<= ~a21~0 0) (not (= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (= 1 |old(~a17~0)|)) (and (= 6 ~a16~0) .cse0 .cse1 (= 1 ~a17~0) .cse2 (= 15 ~a8~0)) (and (< ~a16~0 6) .cse0 .cse1 .cse3) (not (= 1 |old(~a20~0)|)) (and (= 1 ~a7~0) .cse3) (not (= 1 |old(~a21~0)|)) (and .cse0 (<= ~a17~0 0) .cse1 .cse2) (not (= 8 ~a12~0)))) [2020-07-21 22:52:53,086 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-21 22:52:53,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:52:53 BoogieIcfgContainer [2020-07-21 22:52:53,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:52:53,109 INFO L168 Benchmark]: Toolchain (without parser) took 66095.17 ms. Allocated memory was 137.4 MB in the beginning and 674.2 MB in the end (delta: 536.9 MB). Free memory was 100.6 MB in the beginning and 173.6 MB in the end (delta: -73.0 MB). Peak memory consumption was 558.2 MB. Max. memory is 7.1 GB. [2020-07-21 22:52:53,109 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 22:52:53,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.76 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 100.2 MB in the beginning and 168.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2020-07-21 22:52:53,110 INFO L168 Benchmark]: Boogie Preprocessor took 155.56 ms. Allocated memory is still 204.5 MB. Free memory was 168.7 MB in the beginning and 163.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-21 22:52:53,111 INFO L168 Benchmark]: RCFGBuilder took 1320.88 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 163.5 MB in the beginning and 177.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-07-21 22:52:53,112 INFO L168 Benchmark]: TraceAbstraction took 63905.10 ms. Allocated memory was 235.4 MB in the beginning and 674.2 MB in the end (delta: 438.8 MB). Free memory was 177.9 MB in the beginning and 173.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 537.4 MB. Max. memory is 7.1 GB. [2020-07-21 22:52:53,114 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.76 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 100.2 MB in the beginning and 168.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.56 ms. Allocated memory is still 204.5 MB. Free memory was 168.7 MB in the beginning and 163.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1320.88 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 163.5 MB in the beginning and 177.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63905.10 ms. Allocated memory was 235.4 MB in the beginning and 674.2 MB in the end (delta: 438.8 MB). Free memory was 177.9 MB in the beginning and 173.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 537.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 560]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a7)) && a7 <= 0) && 1 == a20) && a21 == \old(a21)) || !(5 == \old(a16))) || a21 <= 0) || !(15 == \old(a8))) || !(\old(a7) <= 0)) || !(1 == \old(a17))) || (((((6 == a16 && !(1 == \old(a7))) && a7 <= 0) && 1 == a17) && a21 == \old(a21)) && 15 == a8)) || (((a16 < 6 && !(1 == \old(a7))) && a7 <= 0) && 1 == a21)) || !(1 == \old(a20))) || (1 == a7 && 1 == a21)) || !(1 == \old(a21))) || (((!(1 == \old(a7)) && a17 <= 0) && a7 <= 0) && a21 == \old(a21))) || !(8 == a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 59.2s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 35.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 824 SDtfs, 6745 SDslu, 1027 SDs, 0 SdLazy, 18042 SolverSat, 1606 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3951 GetRequests, 3670 SyntacticMatches, 18 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3011 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3383occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1602 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 160 PreInvPairs, 200 NumberOfFragments, 759 HoareAnnotationTreeSize, 160 FomulaSimplifications, 89680 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20445 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 2322 NumberOfCodeBlocks, 1617 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3808 ConstructedInterpolants, 0 QuantifiedInterpolants, 12121056 SizeOfPredicates, 116 NumberOfNonLiveVariables, 4880 ConjunctsInSsa, 343 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 1140/1545 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...